CY7C131-15JI Cypress Semiconductor Corp, CY7C131-15JI Datasheet - Page 8

• Manufacturer Part Number: CY7C131-15JI
• Description: SRAM Chip Async Dual 5V 8K-Bit 1K x 8 15ns 52-Pin PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C131-15JI

• Package: 52PLCC
• Timing Type: Asynchronous
• Density: 8 Kb
• Typical Operating Supply Voltage: 5 V
• Address Bus Width: 10 Bit
• Number Of I/o Lines: 8 Bit
• Number Of Ports: 2
• Number Of Words: 1K

Switching Waveforms
Document #: 38-06002 Rev. *D
Read Cycle No. 1
Read Cycle No. 2
Read Cycle No. 3
Notes:
19. R/W is HIGH for read cycle.
20. Device is continuously selected, CE = V
21. Address valid prior to or coincident with CE transition LOW.
DATA OUT
DATA OUT
ADDRESS
ADDRESS
ADDRESS
I
I
DOUT
CE
OE
BUSY
CC
SB
R/W
D
INR
R
L
L
R
L
PREVIOUS DATA VALID
[19, 20]
[19, 21]
[20]
t
PU
t
LZCE
t
OHA
IL
t
LZOE
and OE = V
Read with BUSY, Master: CY7C130 and CY7C131
t
t
PS
ACE
IL
.
t
Either Port CE/OE Access
DOE
Either Port Address Access
t
BLA
t
ADDRESS MATCH
AA
t
RC
t
RC
t
PWE
ADDRESS MATCH
DATA VALID
t
WDD
VALID
t
HZOE
t
DDD
DATA VALID
t
BHA
CY7C130/CY7C131
CY7C140/CY7C141
t
HD
t
HZCE
t
PD
t
BDD
Page 8 of 19
VALID