Cypress CY62157CV33 - Manual (Page 8)

CY62157CV30/33
Document #: 38-05014 Rev. *F Page 8 of 13
Write Cycle No. 1 (WE Controlled) [14, 18, 19]
Notes:
18. Data I/O is high-impedance if OE = V
IH
.
19. If CE
1
goes HIGH or CE
2
goes LOW simultaneously with WE HIGH, the output remains in a high-impedance state.
20. During this period, the I/Os are in output state and input signals should not be applied.
Switching Waveforms (continued)
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZOE
DATA
IN
VALID
CE
1
ADDRESS
CE
2
WE
DATA I/O
OE
NOTE 20
BHE/BLE
t
BW
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