CY7C1021
Switching Waveforms (continued)
Write Cycle No. 1 (CE Controlled) [12, 13]
t
WC
ADDRESS
t
SA
t
SCE
CE
t
AW
t
HA
t
PWE
WE
t
BW
BHE, BLE
t
t
SD
HD
DATA I/O
1021-7
Write Cycle No. 2 (BLEor BHE Controlled)
t
WC
ADDRESS
t
SA
t
BW
BHE, BLE
t
AW
t
HA
t
PWE
WE
CE
t
SCE
t
t
SD
HD
DATA I/O
1021-8
Notes:
12. Data I/O is high impedance if OE or BHE and/or BLE= VIH
.
13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
Document #: 38-05054 Rev. **
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