CY7C1021B-15ZXI Cypress Semiconductor Corp, CY7C1021B-15ZXI Datasheet - Page 6

• Manufacturer Part Number: CY7C1021B-15ZXI
• Description: IC SRAM 1MBIT 15NS 44TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1021B-15ZXI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (64K x 16)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TSOP II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 38-05145 Rev. *C
Switching Waveforms
Write Cycle No. 1 (CE Controlled)
Write Cycle No. 2 (BLE or BHE Controlled)
Notes:
12. Data I/O is high impedance if OE or BHE and/or BLE= V
13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
ADDRESS
BHE, BLE
DATA I/O
ADDRESS
ADDRESS
BHE,
DATA
WE
CE
BLE
WE
CE
I/O
(continued)
t
SA
t
SA
[12, 13]
IH
.
t
AW
t
AW
t
WC
t
WC
t
t
BW
t
PWE
t
SCE
SCE
t
PWE
t
BW
t
SD
t
SD
t
HD
t
HD
t
HA
t
HA
CY7C1021B
Page 6 of 10
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