Cypress CY7C1020BN - Manual (Page 5)

CY7C1020BN
Document #: 001-06443 Rev. ** Page 5 of 8
Write Cycle No. 1 (CE Controlled)
[12, 13]
Write Cycle No. 2 (BLE or BHE Controlled)
Notes:
12. Data I/O is high impedance if OE or BHE and/or BLE= V
IH
.
13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
Switching Waveforms (continued)
t
HD
t
SD
t
SCE
t
SA
t
HA
t
AW
t
PWE
t
WC
BW
DATA I/O
ADDRESS
CE
WE
BHE, BLE
t
t
HD
t
SD
t
BW
t
SA
t
HA
t
AW
t
PWE
t
WC
t
SCE
DATA I/O
ADDRESS
BHE, BLE
WE
CE
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