CY7C131-25JC Cypress Semiconductor Corp, CY7C131-25JC Datasheet - Page 8

• Manufacturer Part Number: CY7C131-25JC
• Description: IC SRAM 8KBIT 25NS 52PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C131-25JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 8K (1K 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: 8Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 10b
• 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: 1K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1193

Switching Waveforms
Note:
Write Cycle No. 2 (R/W Three-States Data I/Os - Either Port)
Busy Timing Diagram No. 1 (CE Arbitration)
CE
CE
23. If the CE LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in the high-impedance state
ADDRESS
ADDRESS
ADDRESS
L
R
DATA
DATA
Valid First:
Valid First:
BUSY
BUSY
R/W
OUT
CE
CE
CE
CE
CE
L,R
IN
L, R
R
R
R
L
L
L
(continued)
t
SA
t
t
PS
PS
ADDRESS MATCH
ADDRESS MATCH
t
SCE
t
AW
Either Port
t
t
BLC
BLC
t
t
HZWE
WC
8
t
PWE
[16, 23]
HIGH IMPEDANCE
t
DATA VALID
SD
t
t
BHC
BHC
t
HD
t
LZWE
t
CY7C130/CY7C131
CY7C140/CY7C141
HA
C130-11
C130-12
C130-13