CY7C199C-20ZXIT Cypress Semiconductor Corp, CY7C199C-20ZXIT Datasheet - Page 9

• Manufacturer Part Number: CY7C199C-20ZXIT
• Description: IC SRAM 256KBIT 20NS 28TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C199C-20ZXIT

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TSOP I
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 38-05408 Rev. *B
Timing Waveforms
Write Cycle No. 3 (WE Controlled, OE Low)
Note:
18. The cycle is WE controlled, OE LOW. The minimum write cycle time is the sum of t
Address
In/Out
Data
CE
WE
(continued)
Undefined
see footnotes
t
SA
[18]
t
HZWE
t
AW
t
SCE
t
WC
HZWE
t
PWE
and t
SD
Data-In Valid
t
.
SD
t
HD
t
LZWE
t
HA
CY7C199C
See Footnotes
Undefined
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