參數(shù)資料
型號(hào): CY62138V
廠商: Cypress Semiconductor Corp.
英文描述: 256K x 8 Static RAM
中文描述: 256K × 8靜態(tài)RAM
文件頁數(shù): 6/9頁
文件大?。?/td> 175K
代理商: CY62138V
CY7C1020
6
Notes:
11. Data I/O is high impedance if OE or BHE and/or BLE= V
.
12. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
Switching Waveforms
(continued)
Write Cycle No. 1 (CE Controlled)
1020-7
t
HD
t
SD
t
SCE
t
SA
t
HA
t
AW
t
PWE
t
WC
BW
DATAI/O
ADDRESS
CE
WE
BHE, BLE
[11, 12]
t
Write Cycle No. 2 (BLEor BHE Controlled)
t
HD
t
SD
t
BW
t
SA
t
HA
t
AW
t
PWE
t
WC
t
SCE
DATAI/O
ADDRESS
BHE, BLE
WE
CE
1020-8
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