WCMA1008C1X
Switching Waveforms (continued)
Write Cycle No.3 (WE Controlled, OE LOW)[12]
t
WC
ADDRESS
t
SCE
CE
1
CE
2
t
SCE
t
t
HA
AW
t
SA
t
PWE
WE
t
t
HD
SD
NOTE 14
DATAI/O
DATA VALID
t
t
LZWE
HZWE
Truth Table
CE1
H
CE2
OE
X
WE
I/O0 – I/O7
Mode
Power
Standby (ISB
Standby (ISB
Active (ICC
Active (ICC
Active (ICC
X
L
X
X
H
L
High Z
High Z
Data Out
Data In
High Z
Power-Down
Power-Down
Read
)
X
X
)
L
H
H
H
L
)
L
X
Write
)
L
H
H
Selected, Outputs Disabled
)
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