CY7C09289-9AI Cypress Semiconductor Corp, CY7C09289-9AI Datasheet - Page 13

• Manufacturer Part Number: CY7C09289-9AI
• Description: SRAM Chip Sync Dual 5V 1M-Bit 64K x 16 20ns/9ns 100-Pin TQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C09289-9AI

• Package: 100TQFP
• Timing Type: Synchronous
• Density: 1 Mb
• Data Rate Architecture: SDR
• Typical Operating Supply Voltage: 5 V
• Number Of I/o Lines: 16 Bit
• Number Of Ports: 2
• Number Of Words: 64K

Switching Waveforms
Write with Address Counter Advance (Flow-Through or Pipelined Outputs)
Notes:
Document #: 38-06040 Rev. *A
29. CE
30. 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
SD
SA
WRITE EXTERNAL
D
A
n
n
ADDRESS
t
IL
CH2
; CE
(continued)
t
1
CYC2
t
t
t
HAD
HCN
t
and CNTRST = V
HA
HD
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
[29, 30]
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
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