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CY62128DV30
Document #: 38-05231 Rev. *H
Page 7 of 11
Write Cycle No. 2 (CE1 or CE2 Controlled)
[12, 16, 17, 18]
Write Cycle No. 3 (WE Controlled, OE LOW)[10, 16, 17]
Truth Table
CE1
CE2
WE
OE
I/O0-I/O7
MOde
Power
H
X
X
X
High Z
Deselet/Power-down
Standby (ISB)
X
L
X
X
High Z
Deselet/Power-down
Standby (ISB)
L
H
H
L
Data out
Read
Active (ICC)
L
H
H
H
High Z
Output Disabled
Active (ICC)
L
H
L
X
Data In
Write
Active (ICC)
Switching Waveforms (continued)
tWC
DATA VALID
t
AW
tSA
tPWE
t
HA
tHD
tSD
tSCE
tSCE
CE1
ADDRESS
CE2
WE
DATA I/O
DATA VALID
tHD
tSD
tLZWE
tPWE
tSA
tHA
tAW
tSCE
tSCE
tWC
tHZWE
CE 1
ADDRESS
CE 2
WE
DATA I/O
DON'T CARE