CY7C1019CV33
Switching Waveforms
(continued)
Write Cycle No. 2 (WE Controlled, OE HIGH During Write)
[14, 15]
t
WC
ADDRESS
t
SCE
CE
t
AW
t
SA
WE
t
PWE
t
HA
OE
t
SD
DATA I/O
NOTE 16
t
HZOE
DATA
IN
VALID
t
HD
Write Cycle No. 3 (WE Controlled, OE LOW)
[15]
t
WC
ADDRESS
t
SCE
CE
t
AW
t
SA
WE
t
SD
DATA I/O
NOTE 16
t
HZWE
DATA VALID
t
LZWE
t
HD
t
PWE
t
HA
Truth Table
CE
H
L
L
L
OE
X
L
X
H
WE
X
H
L
H
High Z
Data Out
Data In
High Z
I/O
0
–I/O
7
Power-Down
Read
Write
Selected, Outputs Disabled
Mode
Power
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Note:
16. During this period the I/Os are in the output state and input signals should not be applied.
Document #: 38-05130 Rev. *D
Page 5 of 8
CYPRESS [ CYPRESS SEMICONDUCTOR ]
