CY7C09279 Cypress Semiconductor, CY7C09279 Datasheet - Page 12

• Manufacturer Part Number: CY7C09279
• Description: (CY7C09279 - CY7C09289) 32K/64K X 16/18 Synchronous Dual Port Static RAM
• Manufacturer: Cypress Semiconductor

Switching Waveforms
Pipelined Read with Address Counter Advance
Flow-Through Read with Address Counter Advance
Note:
Document #: 38-06040 Rev. **
ADDRESS
27. CE
DATA
ADDRESS
DATA
CNTEN
CNTEN
ADS
CLK
OUT
0
ADS
CLK
and OE = V
OUT
t
t
SCN
t
SAD
SA
t
t
SCN
t
SAD
SA
IL
; CE
Q
A
x-1
n
1
t
EXTERNAL
, R/W and CNTRST = V
A
ADDRESS
CH2
Q
n
x
READ
t
DC
EXTERNAL
t
ADDRESS
CH1
t
CYC2
t
t
READ
HAD
HCN
t
HA
t
(continued)
CD1
t
t
t
CYC1
t
t
HAD
HCN
CL2
HA
t
CL1
Q
x
t
Q
DC
IH
n
.
t
READ WITH COUNTER
CD2
[27]
Q
[27]
n
READ WITH COUNTER
Q
n+1
t
t
SAD
SCN
Q
n+1
COUNTER HOLD
Q
n+2
t
t
HAD
HCN
t
t
SAD
SCN
COUNTER HOLD
Q
READ WITH COUNTER
Q
n+2
n+3
CY7C09279/89
CY7C09379/89
t
t
HAD
HCN
Page 12 of 18
COUNTER
READ
WITH
Q
n+3