Cypress CY7C1034DV33 Manual De Usuario
CY7C1034DV33
Document Number: 001-08351 Rev. *C
Page 7 of 9
Figure 7. Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
Figure 8. Write Cycle No. 3 (WE Controlled, OE LOW)
Truth Table
CE
1
CE
2
CE
3
OE
WE
IO
0
– IO
23
Mode
Power
H
X
X
X
X
High 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
CE
ADDRESS
WE
DATA IO
OE
DATA VALID
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
NOTE
CE
ADDRESS
WE
DATA IO
Note
18. During this period, the IOs are in the output state and input signals are not applied.