CY7C138-35JC Cypress Semiconductor Corp, CY7C138-35JC Datasheet - Page 8

• Manufacturer Part Number: CY7C138-35JC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C138-35JC

• Density: 32Kb
• Access Time (max): 35ns
• Operating Supply Voltage (typ): 5V
• Package Type: LCC
• Operating Temp Range: 0C to 70C
• Supply Current: 160mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 68
• Word Size: 8b
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06037 Rev. *B
Switching Waveforms
Write Cycle No. 2: R/W Three-States Data I/Os (Either Port)
Semaphore Read After Write Timing, Either Side
Notes:
25. Data I/O pins enter high impedance when OE is held LOW during write.
26. CE = HIGH for the duration of the above timing (both write and read cycle).
SEM OR CE
DATA OUT
ADDRESS
DATA IN
A
0
SEM
–A
R/W
R/W
I/O
OE
2
0
t
SA
(continued)
VALID ADDRESS
t
AW
t
SA
WRITE CYCLE
t
t
PWE
SCE
t
SD
DATA
t
IN
HA
VALID
t
[26]
t
SCE
HD
t
AW
t
HZWE
t
WC
t
SWRD
[22, 24, 25]
t
PWE
t
SOP
t
SOP
READ CYCLE
t
t
SD
AA
VALID ADDRESS
HIGH IMPEDANCE
DATA VALID
t
ACE
t
DOE
t
HD
t
LZWE
DATA
t
HA
OUT
VALID
t
OHA
CY7C138
CY7C139
Page 8 of 16
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