CY7C09189V-12AC Cypress Semiconductor Corp, CY7C09189V-12AC Datasheet - Page 13

• Manufacturer Part Number: CY7C09189V-12AC
• Description: SRAM Chip Sync Dual 3.3V 576K-Bit 64K x 9-Bit 25ns/12ns 100-Pin TQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C09189V-12AC

• Package: 100TQFP
• Timing Type: Synchronous
• Density: 576 Kb
• Data Rate Architecture: SDR
• Typical Operating Supply Voltage: 3.3 V
• Address Bus Width: 16 Bit
• Number Of I/o Lines: 9 Bit
• Number Of Ports: 2
• Number Of Words: 64K

Document #: 38-06043 Rev. *B
Switching Waveforms
Write with Address Counter Advance (Flow-Through or Pipelined Outputs)
Notes:
30. CE
31. The “Internal Address” is equal to the “External Address” when ADS = V
INTERNAL
ADDRESS
ADDRESS
CNTEN
DATA
0
and R/W = V
ADS
CLK
IN
t
t
SAD
SCN
t
t
SA
SD
IL
; CE
WRITE EXTERNAL
1
and CNTRST = V
D
A
n
n
ADDRESS
t
CH2
(continued)
t
CYC2
t
t
HCN
t
HAD
t
HA
HD
t
CL2
A
n
IH
.
D
n+1
WRITE WITH
COUNTER
D
n+1
IL
WRITE COUNTER
and equals the counter output when ADS = V
A
n+1
HOLD
D
n+2
[30, 31]
A
CY7C09079V/89V/99V
CY7C09179V/89V/99V
n+2
WRITE WITH COUNTER
D
n+3
IH
.
A
n+3
D
n+4
Page 13 of 18
A
n+4
[+] Feedback