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CY7C1019D
Document #: 38-05464 Rev. *E Page 7 of 11
Write Cycle No. 1 (CE
Controlled)
[16, 17]
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
[16, 17]
Switching Waveforms (continued)
t
WC
DATA VALID
t
AW
t
SA
t
PWE
t
HA
t
HD
t
SD
t
SCE
t
SCE
CE
WE
DATA IO
ADDRESS
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZOE
DATA
IN
VALID
NOTE 18
CE
ADDRESS
WE
DATA IO
OE
Notes
16. Data IO is high impedance if OE
= V
IH
.
17. If CE
goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
18. During this period the IOs are in the output state and input signals should not be applied.
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