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Part Name
Description
CY7C1041B View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
Manufacturer
CY7C1041B
256K x 16 Static RAM
Cypress Semiconductor
CY7C1041B Datasheet PDF : 11 Pages
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9
10
Switching Waveforms
(continued)
Write Cycle No. 3 (WE Controlled, OE LOW)
t
WC
ADDRESS
CY7C1041B
CE
t
SCE
t
AW
t
SA
t
HA
t
PWE
WE
t
BW
BHE, BLE
DATA I/O
Truth Table
CE OE WE BLE
HXX X
L LH L
L LH L
L LH H
L XL L
L XL L
L XL H
L HH X
BHE
X
L
H
L
L
H
L
X
I/O
0
–I/O
7
High Z
Data Out
Data Out
High Z
Data In
Data In
High Z
High Z
t
HZWE
t
SD
t
HD
t
LZWE
I/O
8
–I/O
15
High Z
Data Out
High Z
Data Out
Data In
High Z
Data In
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
Power
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Document #: 38-05142 Rev. *A
Page 8 of 11
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