CY7C09289 CYPRESS [Cypress Semiconductor], CY7C09289 Datasheet - Page 13

• Manufacturer Part Number: CY7C09289
• Description: 32K/64K X 16/18 Synchronous Dual Port Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Write with Address Counter Advance (Flow-Through or Pipelined Outputs)
Notes:
Document #: 38-06040 Rev. **
28. CE
29. The “Internal Address” is equal to the “External Address” when ADS = V
INTERNAL
ADDRESS
ADDRESS
CNTEN
DATA
0
ADS
CLK
, UB, LB, and R/W = V
IN
t
t
t
SAD
SCN
t
SA
SD
WRITE EXTERNAL
D
A
n
n
ADDRESS
IL
t
CH2
; CE
(continued)
t
1
CYC2
t
t
t
HAD
HCN
t
and CNTRST = V
HD
HA
t
CL2
A
n
D
n+1
WRITE WITH
IH
COUNTER
.
D
n+1
WRITE COUNTER
IL
A
and equals the counter output when ADS = V
n+1
HOLD
D
n+2
[28, 29]
A
n+2
WRITE WITH COUNTER
D
n+3
IH
.
CY7C09279/89
CY7C09379/89
A
n+3
D
n+4
Page 13 of 18
A
n+4