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CY7C1024DV33
Document Number: 001-08353 Rev. *C Page 7 of 9
Figure 6. Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
[3, 16, 17]
Figure 7. Write Cycle No. 3 (WE Controlled, OE LOW)
[3, 17]
Truth Table
CE
1
CE
2
CE
3
OE WE I/O
0
– I/O
23
Mode Power
HXXXXHigh Z Power Down Standby (I
SB
)
X L X X X High Z Power Down Standby (I
SB
)
X X H X X High Z Power Down Standby (I
SB
)
L H L L H Full Data Out Read Active (I
CC
)
L H L X L Full Data In Write Active (I
CC
)
L H L H H High Z Selected, Outputs Disabled Active (I
CC
)
Switching Waveforms
(continued)
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 I/O
OE
DATA VALID
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
NOTE
18
CE
ADDRESS
WE
DATA I/O
Note
18.During this period, the I/Os are in the output state and input signals are not applied.
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