CY7C136-25JC Cypress Semiconductor Corp, CY7C136-25JC Datasheet - Page 9

• Manufacturer Part Number: CY7C136-25JC
• Description: IC SRAM 16KB DUAL 52-PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C136-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 16K (2K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Density: 16Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 22b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 170mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 8b
• Number Of Words: 2K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Switching Waveforms
Note
Document #: 38-06031 Rev. *E
21. If the CE LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in a high impedance state.
ADDRESS
CE
CE
DATA
ADDRESS
R
L
ADDRESS
D
Valid First:
Valid First:
R/W
OUT
CE
IN
BUSY
BUSY
CE
CE
CE
CE
L,R
L,R
R
R
R
L
L
L
Figure 8. Write Cycle No. 2 (R/W Three-States Data I/Os—Either Port)
(continued)
t
SA
Figure 9. Busy Timing Diagram No. 1 (CE Arbitration)
t
t
PS
PS
t
SCE
ADDRESS MATCH
ADDRESS MATCH
t
AW
t
HZWE
t
WC
t
t
BLC
BLC
t
PWE
HIGH IMPEDANCE
CY7C136A, CY7C142, CY7C146
t
SD
DATA VALID
t
t
BHC
BHC
t
HD
t
LZWE
t
HA
CY7C132, CY7C136
[12, 21]
Page 9 of 15
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