Cypress CY62128E User Manual
MoBL
®
CY62128E
Document #: 38-05485 Rev. *F
Page 7 of 12
Figure 4. Write Cycle No. 2 (CE1 or CE2 Controlled)
Figure 5. Write Cycle No. 3 (WE Controlled, OE LOW)
Truth Table
CE
1
CE
2
WE
OE
Inputs/Outputs
Mode
Power
H
X
X
X
High-Z
Deselect/Power down
Standby (I
SB
)
X
L
X
X
High-Z
Deselect/Power down
Standby (I
SB
)
L
H
H
L
Data Out
Read
Active (I
CC
)
L
H
L
X
Data In
Write
Active (I
CC
)
L
H
H
H
High-Z
Selected, Outputs Disabled
Active (I
CC
)
Switching Waveforms
(continued)
t
WC
DATA VALID
t
AW
t
SA
t
PWE
t
HA
t
HD
t
SD
t
SCE
ADDRESS
CE
DATA IO
WE
DATA VALID
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
ADDRESS
CE
WE
DATA IO
NOTE 21