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CY7C1069BV33
Document #: 38-05694 Rev. *B
Page 5 of 7
Write Cycle No. 1 (CE Controlled)[15, 16]
Write Cycle No. 2 (WE Controlled, OE LOW)[15, 16]
Truth Table
CE
OE
WE
I/O0–I/O7
Mode
Power
H
X
X
High-Z
Power-down
Standby (ISB)
L
L
H
Data Out
Read
Active (ICC)
L
X
L
Data In
Write
Active (ICC)
L
H
H
High-Z
Selected, Outputs Disabled
Active (ICC)
Notes:
15. Data I/O is high-impedance if OE = VIH.
16. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
Switching Waveforms (continued)
tHD
tSD
tSCE
tSA
tHA
tAW
tPWE
tWC
BW
DATAI/O
ADDRESS
CE
WE
t
tHD
tSD
tSCE
tHA
tAW
tPWE
tWC
DATA I/O
ADDRESS
CE
WE
tSA
tLZWE
tHZWE