CY7C09349A-12AC Cypress Semiconductor Corp, CY7C09349A-12AC Datasheet - Page 13

• Manufacturer Part Number: CY7C09349A-12AC
• Description: IC SRAM 72KBIT 12NS 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C09349A-12AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Synchronous
• Memory Size: 72K (4K x 18)
• Speed: 12ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1446

Switching Waveforms
Write with Address Counter Advance (Flow-Through or Pipelined Outputs)
Notes:
Document #: 38-06048 Rev. **
23. CE
24. 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
[23, 24]
A
n+2
WRITE WITH COUNTER
D
n+3
IH
.
CY7C09349A
CY7C09359A
A
n+3
D
n+4
Page 13 of 17
A
n+4