CY7C1041CV33
Switching Waveforms
(continued)
Figure 8. Write Cycle No. 3 (WE Controlled, OE LOW)
t
WC
ADDRESS
t
SCE
CE
t
AW
t
SA
WE
t
BW
BHE, BLE
t
PWE
t
HA
t
HZWE
DATA IO
t
SD
t
HD
t
LZWE
Truth Table
CE
H
L
OE
X
L
WE
X
H
BLE
X
L
L
H
L
X
L
L
L
H
L
L
H
X
H
X
X
H
BHE
X
L
H
L
L
H
L
X
H
IO
0
– IO
7
IO
8
– IO
15
High Z
Data Out
Data Out
High Z
Data In
Data In
High Z
High Z
High Z
High Z
Data Out
High Z
Data Out
Data In
High Z
Data In
High Z
High Z
Mode
Power Down
Read – All Bits
Read – Lower Bits Only
Read – Upper Bits Only
Write – All Bits
Write – Lower Bits Only
Write – Upper Bits Only
Selected, Outputs Disabled
Selected, Outputs Disabled
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Power
Standby (I
SB
)
Document Number: 38-05134 Rev. *I
Page 9 of 14
CYPRESS [ CYPRESS SEMICONDUCTOR ]
