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CY7C1041CV33(2002) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C1041CV33
(Rev.:2002)
256K x 16 Static RAM
Cypress Semiconductor
CY7C1041CV33 Datasheet PDF : 11 Pages
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Switching Waveforms
(continued)
Write Cycle No.3 (WE Controlled, OE LOW)
t
WC
ADDRESS
CY7C1041CV33
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 BHE
I/O
0
–I/O
7
HXX X
X High-Z
L LH L
L Data Out
L LH L
H Data Out
L LH H
L High-Z
L XL L
L Data In
L XL L
H Data In
L XL H
L High-Z
L HH X
X 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 #: 38-05134 Rev. *D
Page 7 of 11
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