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PRELIMINARY
CY9C62256
Document# : 38-15001 Rev. *F
Page 7 of 11
Write Cycle No. 2 (CE Controlled)[10, 15, 16]
Write Cycle No. 3 (WE Controlled, OE LOW)[11, 16]
Switching Waveforms (continued)
tWC
tAW
tSA
tHA
tHD
tSD
tSCE
WE
DATA I/O
ADDRESS
CE
DATA IN VALID
DATA I/O
ADDRESS
tHD
tSD
tLZWE
tSA
tHA
tAW
tWC
CE
WE
tHZWE
DATA IN VALID
NOTE 17
Truth Table
CE
WE
OE
VCC
Inputs/Outputs
Mode
Power
H
X
X
4.5V–5.5V
High Z
Deselect/Power-down
Standby (ISB)
L
H
L
4.5V–5.5V
Data Out
Read
Active (ICC)
L
L
X
4.5V–5.5V
Data In
Write
Active (ICC)
L
H
H
4.5V–5.5V
High Z
Deselect, Output Disabled
Active (ICC)
X
X
X
<4.0V
Inputs = X, Outputs = Hi-Z
Write Inhibit
Active (ICC)