CY7C132 CYPRESS [Cypress Semiconductor], CY7C132 Datasheet - Page 7

• Manufacturer Part Number: CY7C132
• Description: 2Kx8 Dual-Port Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Read Cycle No. 1 (Either Port-Address Access)
Read Cycle No. 2 (Either Port-CE/OE)
Read Cycle No. 3 (Read with BUSY Master: CY7C132 and CY7C136)
n
Notes:
20. R/W is HIGH for read cycle.
21. Device is continuously selected, CE = V
22. Address valid prior to or coincident with CE transition LOW.
ADDRESS
ADDRESS
DATA OUT
DATA OUT
ADDRESS
DOUT
BUSY
R/W
D
I
CE
OE
CC
I
INR
SB
R
R
L
L
L
PREVIOUS DA TA VALID
t
PU
t
LZCE
t
OHA
t
IL
LZOE
t
and OE = V
PS
[20, 22]
t
ACE
IL
.
t
BLA
t
DOE
[20, 21]
ADDRESS MATCH
t
AA
t
t
RC
RC
7
t
PWE
ADDRESS MATCH
DATA VALID
t
WDD
VALID
t
t
DDD
HZOE
t
DATA VALID
BHA
CY7C132/CY7C136
CY7C142/CY7C146
t
HZCE
t
BDD
t
PD
VALID
C132-8
C132-9
C132-7