CY7C1009B Cypress Semiconductor, CY7C1009B Datasheet - Page 8

• Manufacturer Part Number: CY7C1009B
• Description: 128K x 8 Static RAM
• Manufacturer: Cypress Semiconductor

Switching Waveforms
Write Cycle No. 3 (WE Controlled, OE LOW)
Truth Table
Document #: 38-05038 Rev. **
CE
ADDRESS
H
DATA I/O
X
L
L
L
1
CE
CE
WE
1
2
CE
H
H
H
X
L
2
NOTE 15
OE
H
X
X
L
X
t
SA
WE
(continued)
X
X
H
H
L
High Z
High Z
Data Out
Data In
High Z
t
HZWE
I/O
0
– I/O
[14]
7
t
AW
t
SCE
Power-Down
Power-Down
Read
Write
Selected, Outputs Disabled
t
SCE
t
WC
t
PWE
DATA VALID
t
SD
Mode
t
t
HA
LZWE
t
HD
Standby (I
Standby (I
Active (I
Active (I
Active (I
CY7C1009B
CY7C109B
CC
CC
CC
Power
SB
SB
)
)
)
)
)
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