CY7C007A-20JC Cypress Semiconductor Corp, CY7C007A-20JC Datasheet - Page 10

• Manufacturer Part Number: CY7C007A-20JC
• Description: IC SRAM 256KBIT 20NS 68PLCC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C007A-20JC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1145

Document #: 38-06045 Rev. *D
Switching Waveforms
CURRENT
Read Cycle No. 2 (Either Port CE/OE Access)
Read Cycle No. 3 (Either Port)
Notes:
25. Address valid prior to or coincident with CE transition LOW.
26. To access RAM, CE = V
DATA OUT
ADDRESS
DATA OUT
CE
I
OE
I
CE
CC
SB
IL
, SEM = V
(continued)
IH
[22, 24, 25, 26]
. To access semaphore, CE = V
t
PU
t
AA
t
t
LZCE
LZCE
t
LZCE
t
t
ACE
[22, 25, 26]
ABE
t
LZOE
t
t
RC
ACE
IH
t
DOE
, SEM = V
IL
.
CY7C006A/CY7C007A
CY7C016A/CY7C017A
DATA VALID
t
OHA
t
t
HZCE
PD
t
t
HZOE
HZCE
Page 10 of 20