CY7C185-25PC Cypress Semiconductor Corp, CY7C185-25PC Datasheet - Page 6

• Manufacturer Part Number: CY7C185-25PC
• Description: IC SRAM 64KBIT 25NS 28DIP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C185-25PC

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 64K (8K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1055

Switching Waveforms
Write Cycle No. 3 (WE Controlled, OE LOW)
Document #: 38-05043 Rev. *A
Notes:
15. The minimum write cycle time for write cycle #3 (WE controlled, OE LOW) is the sum of t
16. If CE
rite Cycle No. 2 (CE Controlled)
ADDRESS
ADDRESS
DATA I/O
DATA I/O
CE
CE
WE
CE
CE
WE
1
1
2
goes HIGH or CE
1
2
2
goes LOW simultaneously with WE HIGH, the output remains in a high-impedance state.
NOTE 14
t
SA
(continued)
[13,14,15]
t
HZWE
t
SA
[13,14,15,16]
t
AW
t
t
SCE2
SCE1
t
AW
t
WC
t
WC
DATA
DATA
t
t
SCE1
SCE2
t
t
SD
SD
HZWE
IN
IN
VALID
VALID
and t
SD
.
t
HD
t
t
HA
LZWE
t
t
HD
HA
CY7C185
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