CY7C1021B Cypress Semiconductor, CY7C1021B Datasheet - Page 6
CY7C1021B
Manufacturer Part Number
CY7C1021B
Description
64K x 16 Static RAM
Manufacturer
Cypress Semiconductor
Datasheet
1.CY7C1021B.pdf
(11 pages)
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Switching Waveforms
Document #: 38-05148 Rev. *A
Write Cycle No. 2 (BLE or BHE Controlled)
BHE, BLE
Notes:
Write Cycle No. 1 (CE Controlled)
14. Data I/O is high impedance if OE or BHE and/or BLE= V
15. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
ADDRESS
DATA I/O
BHE, BLE
ADDRESS
DATA I/O
WE
CE
CE
WE
(continued)
t
SA
t
SA
[14, 15]
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
CY7C1021BV33
t
HA
t
HA
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