CY7C199CN-20ZXI Cypress Semiconductor Corp, CY7C199CN-20ZXI Datasheet - Page 9

• Manufacturer Part Number: CY7C199CN-20ZXI
• Description: IC SRAM 256KBIT 20NS 28TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C199CN-20ZXI

• 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

Timing Waveforms
Write Cycle 3 (WE controlled, OE low)
Note
Document #: 001-06435 Rev. *B
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
t
SD
Data In Valid
.
t
HD
t
LZWE
t
HA
CY7C199CN
See Footnotes
Undefined
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