| 	
		 CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					2K x 8 Dual-Port Static RAM   
					Features   
					Functional Description   
					■ True dual-ported memory cells that enable simultaneous reads   
					of the same memory location   
					The CY7C132, CY7C136, CY7C136A, CY7C142, and CY7C146   
					are high speed CMOS 2K x 8 dual-port static RAMs. Two ports   
					are provided to permit independent access to any location in   
					memory. The CY7C132, CY7C136, and CY7C136A can be used   
					as either a standalone 8-bit dual-port static RAM or as a   
					MASTER dual-port RAM, in conjunction with the   
					CY7C142/CY7C146 SLAVE dual-port device. They are used in   
					systems that require 16-bit or greater word widths. This is the   
					solution to applications that require shared or buffered data, such   
					as cache memory for DSP, bit-slice, or multiprocessor designs.   
					■ 2K x 8 organization   
					■ 0.65 micron CMOS for optimum speed and power   
					■ High speed access: 15 ns   
					■ Low operating power: I = 110 mA (maximum)   
					CC   
					■ Fully asynchronous operation   
					Each port has independent control pins; chip enable (CE), write   
					enable (R/W), and output enable (OE). BUSY flags are provided   
					on each port. In addition, an interrupt flag (INT) is provided on   
					each port of the 52-pin PLCC version. BUSY signals that the port   
					is trying to access the same location currently being accessed   
					by the other port. On the PLCC version, INT is an interrupt flag   
					indicating that data is placed in an unique location (7FF for the   
					left port and 7FE for the right port).   
					■ Automatic power down   
					
					■ MasterCY7C132/CY7C136/CY7C136A easilyexpandsdata   
					bus width to 16 or more bits using slave CY7C142/CY7C146   
					■ BUSY output flag on CY7C132/CY7C136/CY7C136A;   
					BUSY input on CY7C142/CY7C146   
					■ INT flag for port to port communication (52-Pin PLCC/PQFP   
					versions)   
					An automatic power down feature is controlled independently on   
					each port by the chip enable (CE) pins.   
					■ CY7C136, CY7C136A, and CY7C146 available in 52-pin   
					PLCC and 52-pin PQFP packages   
					■ Pb-free packages available   
					Logic Block Diagram   
					R/W   
					L 
					R/W   
					R 
					CE   
					L 
					CE   
					R 
					OE   
					L 
					OE   
					R 
					I/O   
					I/O   
					I/O   
					I/O   
					7L   
					7R   
					I/O   
					CONTROL   
					I/O   
					CONTROL   
					0R   
					0L   
					[2]   
					
					BUSY   
					BUSY   
					L 
					R 
					A 
					A 
					A 
					10L   
					10R   
					0R   
					MEMORY   
					ARRAY   
					ADDRESS   
					DECODER   
					ADDRESS   
					DECODER   
					A 
					0L   
					ARBITRATION   
					LOGIC   
					(7C132/7C136 ONLY)   
					AND   
					INTERRUPTLOGIC   
					CE   
					L 
					CE   
					R 
					(7C136/7C146ONLY)   
					OE   
					L 
					OE   
					R 
					R/W   
					R/W   
					R 
					L 
					
					
					INT   
					L 
					INT   
					R 
					Notes   
					1. CY7C136 and CY7C136A are functionally identical.   
					2. CY7C132/CY7C136/CY7C136A (Master): BUSY is open drain output and requires pull up resistor. CY7C142/CY7C146 (Slave): BUSY is input.   
					3. Open drain outputs; pull up resistor required.   
					Cypress Semiconductor Corporation   
					Document #: 38-06031 Rev. *E   
					• 
					198 Champion Court   
					• 
					San Jose, CA 95134-1709   
					• 
					408-943-2600   
					Revised March 24, 2009   
					
					 
					 
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					DC Input Voltage.................................................−3.5V to +7.0V   
					Maximum Ratings   
					Output Current into Outputs (LOW)............................. 20 mA   
					Exceeding maximum ratings may impair the useful life of the   
					device. These user guidelines are not tested.   
					Static Discharge Voltage.......................................... > 2001V   
					(per MIL-STD-883, Method 3015)   
					Storage Temperature ..................................... −65°C to +150°C   
					Latch up Current.................................................... >200mA   
					Ambient Temperature with   
					Power Applied.................................................. −55°C to +125°C   
					Operating Range   
					Range   
					Commercial   
					Industrial   
					Ambient Temperature   
					0°C to +70°C   
					V 
					CC   
					Supply Voltage to Ground Potential   
					(Pin 48 to Pin 24).................................................−0.5V to +7.0V   
					5V ± 10%   
					5V ± 10%   
					DC Voltage Applied to Outputs   
					in High Z State .....................................................−0.5V to +7.0V   
					–40°C to +85°C   
					Electrical Characteristics   
					Over the Operating Range   
					7C132-55   
					
					7C136-55   
					7C136A-55   
					7C142-55   
					7C146-55   
					
					7C146-15   
					7C142-30   
					7C142-35,45   
					Parameter   
					Description   
					Test Conditions   
					Unit   
					7C146-25, 30 7C146-35,45   
					Min Max Min Max Min Max Min Max   
					V 
					Output HIGH   
					voltage   
					V 
					= Min., I = –4.0 mA   
					2.4   
					2.2   
					2.4   
					2.2   
					2.4   
					2.2   
					2.4   
					V 
					V 
					OH   
					CC   
					OH   
					V 
					Output LOW   
					voltage   
					I 
					I 
					= 4.0 mA   
					0.4   
					0.5   
					0.4   
					0.5   
					0.4   
					0.5   
					0.4   
					0.5   
					OL   
					OL   
					OL   
					[5]   
					= 16.0 mA   
					V 
					V 
					I 
					Input HIGH   
					voltage   
					2.2   
					V 
					V 
					IH   
					Input LOW   
					voltage   
					0.8   
					0.8   
					0.8   
					0.8   
					IL   
					Input load current GND < V < V   
					–5   
					–5   
					+5   
					+5   
					−5   
					+5   
					+5   
					−5   
					+5   
					+5   
					−5   
					+5   
					+5   
					μA   
					IX   
					I 
					CC   
					I 
					I 
					I 
					Output leakage GND < V < V , Output Disabled   
					current   
					−5   
					−5   
					−5   
					μA   
					OZ   
					O 
					CC   
					Output short   
					circuit current   
					V 
					= Max., V = GND   
					OUT   
					–350   
					190   
					−350   
					−350   
					−350 mA   
					OS   
					CC   
					CC   
					
					V 
					Operating   
					CE = V , Outputs Open,   
					Com’l/   
					Ind’l   
					170   
					120   
					110 mA   
					CC   
					IL   
					
					Supply Current   
					f = f   
					MAX   
					I 
					I 
					Standby current CE and CE > V ,   
					Com’l/   
					Ind’l   
					75   
					65   
					45   
					90   
					35   
					75   
					mA   
					mA   
					SB1   
					SB2   
					L 
					R 
					IH   
					
					both ports, TTL   
					Inputs   
					f = f   
					MAX   
					Standby Current CE or CE > V ,   
					Com’l/   
					Ind’l   
					135   
					115   
					L 
					R 
					IH   
					One Port,   
					TTL Inputs   
					Active Port Outputs Open,   
					
					f = f   
					MAX   
					I 
					I 
					Standby Current Both Ports CE and   
					Com’l/   
					Ind’l   
					15   
					15   
					15   
					85   
					15   
					70   
					mA   
					mA   
					SB3   
					SB4   
					L 
					Both Ports,   
					CMOS Inputs   
					CE > V – 0.2V, V > V – 0.2V   
					R 
					CC   
					IN   
					CC   
					or V < 0.2V, f = 0   
					IN   
					Standby Current One Port CE or CE > V – 0.2V, Com’l/   
					125   
					105   
					L 
					R 
					CC   
					One Port,   
					CMOS Inputs   
					Ind’l   
					V > V – 0.2V or V < 0.2V,   
					Active Port Outputs Open, f = f   
					IN   
					CC   
					IN   
					
					MAX   
					Shaded areas contain preliminary information.   
					Notes   
					5. BUSY and INT pins only.   
					6. Duration of the short circuit should not exceed 30 seconds.   
					7. At f = f   
					, address and data inputs are cycling at the maximum frequency of read cycle of 1/t and using AC Test Waveforms input levels of GND to 3V.   
					MAX   
					rc   
					Document #: 38-06031 Rev. *E   
					Page 3 of 15   
					
					 
					 
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Capacitance   
					This parameter is guaranteed but not tested.   
					Parameter   
					Description   
					Input Capacitance   
					Output Capacitance   
					Test Conditions   
					Max   
					15   
					Unit   
					pF   
					C 
					C 
					T = 25°C, f = 1 MHz, V = 5.0V   
					IN   
					A 
					CC   
					10   
					pF   
					OUT   
					Figure 3. AC Test Loads and Waveforms   
					5V   
					R1 893Ω   
					R1 893Ω   
					5V   
					5V   
					OUTPUT   
					OUTPUT   
					281Ω   
					BUSY   
					OR   
					INT   
					R2   
					347Ω   
					R2   
					347Ω   
					30 pF   
					5 pF   
					30 pF   
					INCLUDING   
					JIG AND   
					SCOPE   
					INCLUDING   
					JIG AND   
					SCOPE   
					BUSY Output Load   
					(CY7C132/CY7C136 Only)   
					(a)   
					(b)   
					Equivalent to:   
					THÉVENIN EQUIVALENT   
					ALL INPUT PULSES   
					3.0V   
					90%   
					10%   
					90%   
					250Ω   
					10%   
					OUTPUT   
					1.4V   
					GND   
					< 5 ns   
					< 5 ns   
					Switching Characteristics   
					Over the Operating Range (Speeds -15, -25, -30)   
					
					
					7C132-25   
					7C132-30   
					
					7C136-15   
					7C146-15   
					7C136-25   
					7C142-25   
					7C146-25   
					7C136-30   
					7C142-30   
					7C146-30   
					Parameter   
					Description   
					Unit   
					Min   
					Max   
					Min   
					Max   
					Min   
					Max   
					Read Cycle   
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					Read Cycle Time   
					Address to Data Valid   
					15   
					0 
					25   
					0 
					30   
					0 
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					RC   
					
					15   
					25   
					30   
					AA   
					Data Hold from Address Change   
					OHA   
					ACE   
					DOE   
					LZOE   
					HZOE   
					LZCE   
					HZCE   
					PU   
					
					CE LOW to Data Valid   
					15   
					10   
					25   
					15   
					30   
					20   
					
					OE LOW to Data Valid   
					
					OE LOW to Low Z   
					3 
					3 
					0 
					3 
					5 
					0 
					3 
					5 
					0 
					
					OE HIGH to High Z   
					10   
					10   
					15   
					15   
					15   
					25   
					15   
					15   
					25   
					
					CE LOW to Low Z   
					
					CE HIGH to High Z   
					[7]   
					CE LOW to Power Up   
					
					CE HIGH to Power Down   
					PD   
					Shaded areas contain preliminary information.   
					Notes   
					8. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V and output loading of the specified I /I   
					OL OH,   
					and 30 pF load capacitance.   
					9. AC test conditions use V = 1.6V and V = 1.4V.   
					OH   
					OL   
					10. At any given temperature and voltage condition for any given device, t   
					is less than t   
					and t   
					is less than t   
					. 
					LZOE   
					HZCE   
					LZCE   
					HZOE   
					11. t   
					, t   
					, t   
					, t   
					t 
					and t   
					are tested with C = 5pF as in (b) of AC Test Loads and Waveforms. Transition is measured ± 500 mV from steady state   
					LZCE LZWE HZOE LZOE, HZCE,   
					HZWE   
					L 
					voltage.   
					Document #: 38-06031 Rev. *E   
					Page 4 of 15   
					
					 
					 
					 
					 
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Characteristics   
					Over the Operating Range (Speeds -15, -25, -30) (continued)   
					[8]   
					[4]   
					7C132-25   
					7C136-25   
					7C142-25   
					7C146-25   
					7C132-30   
					7C136-30   
					7C142-30   
					7C146-30   
					[4]   
					7C136-15   
					7C146-15   
					Parameter   
					Description   
					Unit   
					Min   
					Max   
					Min   
					Max   
					Min   
					Max   
					
					Write Cycle   
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					Write Cycle Time   
					15   
					12   
					12   
					2 
					25   
					20   
					20   
					2 
					30   
					25   
					25   
					2 
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					WC   
					CE LOW to Write End   
					SCE   
					AW   
					Address Setup to Write End   
					Address Hold from Write End   
					Address Setup to Write Start   
					R/W Pulse Width   
					HA   
					0 
					0 
					0 
					SA   
					12   
					10   
					0 
					15   
					15   
					0 
					25   
					15   
					0 
					PWE   
					SD   
					Data Setup to Write End   
					Data Hold from Write End   
					HD   
					
					R/W LOW to High Z   
					10   
					15   
					15   
					HZWE   
					LZWE   
					
					R/W HIGH to Low Z   
					0 
					0 
					0 
					Busy/Interrupt Timing   
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					BUSY LOW from Address Match   
					BUSY HIGH from Address Mismatch   
					BUSY LOW from CE LOW   
					15   
					15   
					15   
					15   
					20   
					20   
					20   
					20   
					20   
					20   
					20   
					20   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					BLA   
					BHA   
					BLC   
					BHC   
					PS   
					
					
					BUSY HIGH from CE HIGH   
					Port Set Up for Priority   
					5 
					0 
					5 
					0 
					5 
					0 
					
					R/W LOW after BUSY LOW   
					WB   
					R/W HIGH after BUSY HIGH   
					BUSY HIGH to Valid Data   
					13   
					20   
					30   
					WH   
					15   
					25   
					30   
					BDD   
					DDD   
					WDD   
					Write Data Valid to Read Data Valid   
					
					
					Note 15   
					Note 15   
					
					
					Write Pulse to Data Delay   
					
					Interrupt Timing   
					t 
					t 
					t 
					t 
					t 
					t 
					R/W to INTERRUPT Set Time   
					CE to INTERRUPT Set Time   
					Address to INTERRUPT Set Time   
					15   
					15   
					15   
					15   
					15   
					15   
					25   
					25   
					25   
					25   
					25   
					25   
					25   
					25   
					25   
					25   
					25   
					25   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					WINS   
					EINS   
					INS   
					
					OE to INTERRUPT Reset Time   
					OINR   
					EINR   
					INR   
					
					CE to INTERRUPT Reset Time   
					
					Address to INTERRUPT Reset Time   
					Shaded areas contain preliminary information.   
					Notes   
					12. The internal write time of the memory is defined by the overlap of CE LOW and R/W LOW. Both signals must be LOW to initiate a write and either signal can terminate   
					a write by going HIGH. The data input setup and hold timing must be referenced to the rising edge of the signal that terminates the write.   
					13. These parameters are measured from the input signal changing, until the output pin goes to a high impedance state.   
					14. CY7C142/CY7C146 only.   
					15. A write operation on Port A, where Port A has priority, leaves the data on Port B’s outputs undisturbed until one access time after one of the following:   
					BUSY on Port B goes HIGH.   
					Port B’s address toggled.   
					CE for Port B is toggled.   
					R/W for Port B is toggled during valid read.   
					16. 52-pin PLCC and PQFP versions only.   
					Document #: 38-06031 Rev. *E   
					Page 5 of 15   
					
					 
					 
					 
					 
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Characteristics   
					Over the Operating Range (Speeds -35, -45, -55)   
					
					7C132-55   
					7C132-45   
					7C132-35   
					7C136-35   
					7C142-35   
					7C146-35   
					7C136-55   
					7C136-45   
					7C136A-55   
					7C142-45   
					Parameter   
					Description   
					Unit   
					7C142-55   
					7C146-55   
					7C146-45   
					Min   
					Max   
					Min   
					Max   
					Min   
					Max   
					Read Cycle   
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					Read Cycle Time   
					Address to Data Valid   
					35   
					0 
					45   
					0 
					55   
					0 
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					RC   
					[9]   
					35   
					45   
					55   
					AA   
					Data Hold from Address Change   
					OHA   
					ACE   
					DOE   
					LZOE   
					HZOE   
					LZCE   
					HZCE   
					PU   
					
					CE LOW to Data Valid   
					35   
					20   
					45   
					25   
					55   
					25   
					[9]   
					OE LOW to Data Valid   
					
					OE LOW to Low Z   
					3 
					5 
					0 
					3 
					5 
					0 
					3 
					5 
					0 
					
					OE HIGH to High Z   
					20   
					20   
					35   
					20   
					20   
					35   
					25   
					25   
					35   
					
					CE LOW to Low Z   
					
					CE HIGH to High Z   
					
					CE LOW to Power Up   
					[7]   
					CE HIGH to Power Down   
					PD   
					
					Write Cycle   
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					Write Cycle Time   
					35   
					30   
					30   
					2 
					45   
					35   
					35   
					2 
					55   
					40   
					40   
					2 
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					WC   
					CE LOW to Write End   
					Address Setup to Write End   
					Address Hold from Write End   
					Address Setup to Write Start   
					R/W Pulse Width   
					SCE   
					AW   
					HA   
					0 
					0 
					0 
					SA   
					25   
					15   
					0 
					30   
					20   
					0 
					30   
					20   
					0 
					PWE   
					SD   
					Data Setup to Write End   
					Data Hold from Write End   
					HD   
					
					R/W LOW to High Z   
					20   
					20   
					25   
					HZWE   
					LZWE   
					
					R/W HIGH to Low Z   
					0 
					0 
					0 
					Busy/Interrupt Timing   
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					t 
					BUSY LOW from Address Match   
					20   
					20   
					20   
					20   
					25   
					25   
					25   
					25   
					30   
					30   
					30   
					30   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					BLA   
					BHA   
					BLC   
					BHC   
					PS   
					
					BUSY HIGH from Address Mismatch   
					BUSY LOW from CE LOW   
					
					BUSY HIGH from CE HIGH   
					Port Set Up for Priority   
					5 
					0 
					5 
					0 
					5 
					0 
					
					R/W LOW after BUSY LOW   
					WB   
					R/W HIGH after BUSY HIGH   
					BUSY HIGH to Valid Data   
					30   
					35   
					35   
					WH   
					35   
					45   
					45   
					BDD   
					DDD   
					WDD   
					Write Data Valid to Read Data Valid   
					Write Pulse to Data Delay   
					
					
					Note 15   
					Note 15   
					
					
					Document #: 38-06031 Rev. *E   
					Page 6 of 15   
					
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Characteristics   
					Over the Operating Range (Speeds -35, -45, -55) (continued)   
					[8]   
					7C132-55   
					7C132-45   
					7C132-35   
					7C136-35   
					7C142-35   
					7C146-35   
					7C136-55   
					7C136-45   
					7C136A-55   
					7C142-45   
					Parameter   
					Description   
					Unit   
					7C142-55   
					7C146-55   
					7C146-45   
					Min   
					Max   
					Min   
					Max   
					Min   
					Max   
					
					Interrupt Timing   
					t 
					t 
					t 
					t 
					t 
					t 
					R/W to INTERRUPT Set Time   
					CE to INTERRUPT Set Time   
					Address to INTERRUPT Set Time   
					25   
					25   
					25   
					25   
					25   
					25   
					35   
					35   
					35   
					35   
					35   
					35   
					45   
					45   
					45   
					45   
					45   
					45   
					ns   
					ns   
					ns   
					ns   
					ns   
					ns   
					WINS   
					EINS   
					INS   
					
					OE to INTERRUPT Reset Time   
					OINR   
					EINR   
					INR   
					
					CE to INTERRUPT Reset Time   
					
					Address to INTERRUPT Reset Time   
					Switching Waveforms   
					
					Figure 4. Read Cycle No. 1 (Either Port-Address Access)   
					t 
					RC   
					ADDRESS   
					t 
					AA   
					t 
					OHA   
					DATA OUT   
					PREVIOUS DATA VALID   
					DATA VALID   
					
					Figure 5. Read Cycle No. 2 (Either Port-CE/OE )   
					CE   
					OE   
					t 
					HZCE   
					t 
					ACE   
					t 
					HZOE   
					t 
					DOE   
					t 
					LZOE   
					t 
					LZCE   
					DATA VALID   
					DATA OUT   
					t 
					PU   
					t 
					PD   
					I 
					CC   
					I 
					SB   
					Notes   
					17. R/W is HIGH for read cycle.   
					18. Device is continuously selected, CE = V and OE = V .   
					IL   
					IL   
					19. Address valid prior to or coincident with CE transition LOW.   
					Document #: 38-06031 Rev. *E   
					Page 7 of 15   
					
					 
					 
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Waveforms (continued)   
					Figure 6. Read Cycle No. 3 (Read with BUSY Master: CY7C132 and CY7C136/CY7C136A)   
					t 
					RC   
					ADDRESSR   
					R/WR   
					ADDRESS MATCH   
					t 
					PWE   
					DINR   
					VALID   
					t 
					PS   
					ADDRESS MATCH   
					ADDRESSL   
					BUSYL   
					t 
					BHA   
					t 
					t 
					BDD   
					BLA   
					DOUTL   
					VALID   
					t 
					DDD   
					t 
					WDD   
					
					Figure 7. Write Cycle No.1 (OE Three-States Data I/Os—Either Port)   
					t 
					WC   
					ADDRESS   
					CE   
					t 
					SCE   
					t 
					t 
					HA   
					AW   
					t 
					SA   
					t 
					PWE   
					R/W   
					t 
					t 
					HD   
					SD   
					DATAIN   
					OE   
					DATA VALID   
					t 
					HZOE   
					HIGH IMPEDANCE   
					DOUT   
					Note   
					20. If OE is LOW during a R/W controlled write cycle, the write pulse width must be the larger of t   
					or t   
					+ t to allow the data I/O pins to enter high impedance   
					PWE   
					HZWE SD   
					and for data to be placed on the bus for the required t   
					. 
					SD   
					Document #: 38-06031 Rev. *E   
					Page 8 of 15   
					
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Waveforms (continued)   
					
					Figure 8. Write Cycle No. 2 (R/W Three-States Data I/Os—Either Port)   
					t 
					WC   
					ADDRESS   
					CE   
					t 
					t 
					HA   
					SCE   
					t 
					AW   
					t 
					SA   
					t 
					PWE   
					R/W   
					t 
					t 
					HD   
					SD   
					DATAIN   
					DATA VALID   
					t 
					t 
					LZWE   
					HZWE   
					HIGH IMPEDANCE   
					DOUT   
					Figure 9. Busy Timing Diagram No. 1 (CE Arbitration)   
					CE Valid First:   
					L 
					ADDRESSL,R   
					CEL   
					ADDRESS MATCH   
					t 
					PS   
					CER   
					t 
					t 
					BHC   
					BLC   
					BUSYR   
					CE Valid First:   
					R 
					ADDRESSL,R   
					CER   
					ADDRESS MATCH   
					t 
					PS   
					CEL   
					t 
					t 
					BHC   
					BLC   
					BUSYL   
					Note   
					21. If the CE LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in a high impedance state.   
					Document #: 38-06031 Rev. *E   
					Page 9 of 15   
					
					 
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Waveforms (continued)   
					Figure 10. Busy Timing Diagram No. 2 (Address Arbitration)   
					Left Address Valid First:   
					t 
					or t   
					WC   
					RC   
					ADDRESSL   
					ADDRESS MATCH   
					ADDRESS MISMATCH   
					t 
					PS   
					ADDRESSR   
					t 
					t 
					BHA   
					BLA   
					BUSYR   
					Right Address Valid First:   
					t 
					or t   
					WC   
					RC   
					ADDRESSR   
					ADDRESS MATCH   
					ADDRESS MISMATCH   
					t 
					PS   
					ADDRESSL   
					BUSYL   
					t 
					t 
					BHA   
					BLA   
					Figure 11. Busy Timing Diagram No. 3 (Write with BUSY, Slave: CY7C142/CY7C146)   
					CE   
					t 
					PWE   
					R/W   
					t 
					t 
					WH   
					WB   
					BUSY   
					Document #: 38-06031 Rev. *E   
					Page 10 of 15   
					
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Switching Waveforms (continued)   
					Interrupt Timing Diagrams [16]   
					Figure 12. Left Side Sets INT   
					R 
					t 
					WC   
					ADDRESSL   
					WRITE 7FF   
					t 
					t 
					HA   
					INS   
					CEL   
					t 
					EINS   
					R/WL   
					t 
					SA   
					t 
					WINS   
					INTR   
					Figure 13. Right Side Clears INT   
					R 
					t 
					RC   
					ADDRESSR   
					CER   
					READ 7FF   
					t 
					t 
					INR   
					HA   
					t 
					EINR   
					R/WR   
					OER   
					INTR   
					t 
					OINR   
					Figure 14. Right Side Sets INT   
					L 
					t 
					WC   
					ADDRESSR   
					CER   
					WRITE 7FE   
					t 
					t 
					HA   
					INS   
					t 
					EINS   
					R/WR   
					INTL   
					t 
					SA   
					t 
					WINS   
					Figure 15. Right Side Clears INT   
					L 
					t 
					RC   
					ADDRESSL   
					CEL   
					READ 7FE   
					t 
					t 
					INR   
					HA   
					t 
					EINR   
					R/WL   
					OEL   
					t 
					OINR   
					INTL   
					Document #: 38-06031 Rev. *E   
					Page 11 of 15   
					
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Figure 16. Typical DC and AC Characteristics   
					NORMALIZED SUPPLY CURRENT   
					vs. AMBIENT TEMPERATURE   
					OUTPUT SOURCE CURRENT   
					vs. OUTPUT VOLTAGE   
					NORMALIZED SUPPLY CURRENT   
					vs. SUPPLY VOLTAGE   
					120   
					100   
					80   
					1.4   
					1.2   
					1.0   
					0.8   
					1.2   
					1.0   
					I 
					CC   
					I 
					CC   
					0.8   
					0.6   
					0.4   
					60   
					V 
					= 5.0V   
					= 25°C   
					CC   
					V 
					V 
					= 5.0V   
					CC   
					= 5.0V   
					0.6   
					0.4   
					T 
					A 
					IN   
					40   
					0.2   
					0.6   
					20   
					0 
					I 
					I 
					SB3   
					0.2   
					0.0   
					SB3   
					–55   
					25   
					125   
					0 
					1.0   
					2.0   
					3.0   
					4.0   
					4.0   
					4.5   
					5.0   
					5.5   
					6.0   
					AMBIENT TEMPERATURE (°C)   
					OUTPUT VOLTAGE (V)   
					SUPPLY VOLTAGE (V)   
					NORMALIZED ACCESS TIME   
					vs. AMBIENT TEMPERATURE   
					OUTPUT SINK CURRENT   
					vs. OUTPUT VOLTAGE   
					NORMALIZED ACCESS TIME   
					vs. SUPPLY VOLTAGE   
					140   
					120   
					1.6   
					1.4   
					1.4   
					1.3   
					1.2   
					1.1   
					100   
					80   
					1.2   
					1.0   
					60   
					T 
					= 25°C   
					5.5   
					A 
					V 
					= 5.0V   
					1.0   
					CC   
					40   
					0.8   
					V 
					= 5.0V   
					= 25°C   
					CC   
					20   
					0 
					0.9   
					0.8   
					T 
					A 
					0.6   
					–55   
					0.0   
					1.0   
					2.0   
					3.0   
					4.0   
					25   
					125   
					4.0   
					4.5   
					5.0   
					6.0   
					AMBIENT TEMPERATURE (°C)   
					OUTPUT VOLTAGE (V)   
					SUPPLY VOLTAGE (V)   
					TYPICAL POWER-ON CURRENT   
					vs. SUPPLY VOLTAGE   
					TYPICAL ACCESS TIME CHANGE   
					vs. OUTPUT LOADING   
					NORMALIZED I vs. CYCLE TIME   
					CC   
					1.25   
					30.0   
					25.0   
					3.0   
					2.5   
					V 
					A 
					V 
					= 5.0V   
					CC   
					T 
					= 25°C   
					= 0.5V   
					IN   
					1.0   
					2.0   
					20.0   
					15.0   
					10.0   
					1.5   
					1.0   
					0.75   
					V 
					= 4.5V   
					= 25°C   
					CC   
					0.5   
					0.0   
					5.0   
					0 
					T 
					A 
					0.50   
					10   
					20   
					30   
					40   
					0 
					1.0   
					2.0   
					3.0   
					4.0 5.0   
					0 
					200 400 600 800 1000   
					CAPACITANCE (pF)   
					CYCLE FREQUENCY (MHz)   
					SUPPLY VOLTAGE (V)   
					Document #: 38-06031 Rev. *E   
					Page 12 of 15   
					
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Ordering Information   
					Speed   
					(ns)   
					Package   
					Diagram   
					Operating   
					Ordering Code   
					Package Type   
					Range   
					15   
					CY7C136-15JC   
					CY7C136-15NC   
					CY7C136-25JC   
					CY7C136-25JXC   
					CY7C136-25NC   
					CY7C136-25NXC   
					CY7C136-25JXI   
					CY7C136-30JC   
					CY7C136-30NC   
					CY7C136-30JI   
					CY7C136-35JC   
					CY7C136-35NC   
					CY7C136-35JI   
					CY7C136-45JC   
					CY7C136-45NC   
					CY7C136-45JI   
					CY7C136-55JC   
					CY7C136-55JXC   
					CY7C136-55NC   
					CY7C136-55NXC   
					CY7C136-55JI   
					CY7C136A-55JXI   
					CY7C136-55NI   
					CY7C136A-55NXI   
					CY7C146-15JC   
					CY7C146-15NC   
					CY7C146-25JC   
					CY7C146-25JXC   
					CY7C146-25NC   
					CY7C146-30JC   
					CY7C146-30NC   
					CY7C146-30JI   
					CY7C146-35JC   
					CY7C146-35NC   
					CY7C146-35JI   
					CY7C146-45JC   
					CY7C146-45NC   
					CY7C146-45JI   
					CY7C146-55JC   
					CY7C146-55JXC   
					CY7C146-55NC   
					CY7C146-55JI   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					52-Pin Plastic Leaded Chip Carrier (Pb-Free)   
					51-85042 52-Pin Plastic Quad Flatpack   
					52-Pin Plastic Quad Flatpack (Pb-Free)   
					Commercial   
					25   
					Commercial   
					51-85004 52-Pin Plastic Leaded Chip Carrier (Pb-Free)   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					52-Pin Plastic Leaded Chip Carrier (Pb-Free)   
					51-85042 52-Pin Plastic Quad Flatpack   
					52-Pin Plastic Quad Flatpack (Pb-Free)   
					Industrial   
					30   
					35   
					45   
					55   
					Commercial   
					Industrial   
					Commercial   
					Industrial   
					Commercial   
					Industrial   
					Commercial   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					52-Pin Plastic Leaded Chip Carrier (Pb-Free)   
					51-85042 52-Pin Plastic Quad Flatpack   
					52-Pin Plastic Quad Flatpack (Pb-Free)   
					Industrial   
					15   
					25   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					52-Pin Plastic Leaded Chip Carrier (Pb-Free)   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					52-Pin Plastic Leaded Chip Carrier (Pb-Free)   
					51-85042 52-Pin Plastic Quad Flatpack   
					51-85004 52-Pin Plastic Leaded Chip Carrier   
					Commercial   
					Commercial   
					30   
					35   
					45   
					55   
					Commercial   
					Industrial   
					Commercial   
					Industrial   
					Commercial   
					Industrial   
					Commercial   
					Industrial   
					Document #: 38-06031 Rev. *E   
					Page 13 of 15   
					
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Package Diagrams   
					Figure 17. 52-Pin Plastic Leaded Chip Carrier, 51-85004   
					51-85004-*A   
					Figure 18. 52-Pin Plastic Quad Flatpack, 51-85042   
					51-85042-**   
					Document #: 38-06031 Rev. *E   
					Page 14 of 15   
					
				CY7C132, CY7C136   
					CY7C136A, CY7C142, CY7C146   
					Document History Page   
					Document Title: CY7C132, CY7C136, CY7C136A, CY7C142, CY7C146 2K x 8 Dual-Port Static RAM   
					Document Number: 38-06031   
					Submission Orig. of   
					Revision   
					ECN   
					Description of Change   
					Change from Spec number: 38-06031   
					Date   
					Change   
					**   
					110171   
					128959   
					236748   
					393184   
					10/21/01   
					09/03/03   
					See ECN   
					See ECN   
					SZV   
					*A   
					*B   
					*C   
					JFU   
					Added CY7C136-55NI to Order Information   
					YDT   
					Removed cross information from features section   
					YIM   
					Added Pb-Free Logo   
					Added Pb-Free parts to ordering information:   
					CY7C136-25JXC, CY7C136-25NXC, CY7C136-55JXC, CY7C136-55NXC,   
					CY7C136-55JXI, CY7C136-55NXI, CY7C146-25JXC, CY7C146-55JXC   
					*D   
					*E   
					2623658   
					12/17/08 VKN/PYRS Added CY7C136-25JXI part   
					Removed CY7C132/142 from the Ordering information table   
					Removed 48-Pin DIP and 52-Pin Square LCC package from the data sheet   
					2678221 03/24/2009 VKN/AESA Added CY7C136A-55JXI, and CY7C136A-55NXI parts.   
					Sales, Solutions, and Legal Information   
					Worldwide Sales and Design Support   
					Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office   
					closest to you, visit us at cypress.com/sales.   
					Products   
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					USB   
					
					© Cypress Semiconductor Corporation, 2005-2009. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use   
					of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used   
					for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use   
					as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support   
					systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.   
					Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign),   
					United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of,   
					and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress   
					integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without   
					the express written permission of Cypress.   
					Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES   
					OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not   
					assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where   
					a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer   
					assumes all risk of such use and in doing so indemnifies Cypress against all charges.   
					Use may be limited by and subject to the applicable Cypress software license agreement.   
					Document #: 38-06031 Rev. *E   
					Revised March 24, 2009   
					Page 15 of 15   
					All products and company names mentioned in this document may be the trademarks of their respective holders.   
					
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