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CY62146V(2002) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY62146V
(Rev.:2002)
4M (256K x 16) Static RAM
Cypress Semiconductor
CY62146V Datasheet PDF : 10 Pages
1
2
3
4
5
6
7
8
9
10
Typical DC and AC Characteristics
Normalized Operating Current
vs. Supply Voltage
1.4
1.2
MoBL
1.0
0.8
0.6
0.4
0.2
0.0
2.7
3.2
3.7
SUPPLY VOLTAGE (V)
Access Time vs. Supply Voltage
80
MoBL
70
60
50
40
30
20
10
2.7
2.8
3.7
SUPPLY VOLTAGE (V)
CY62146V MoBL
®
Standby Current vs. Supply Voltage
45
40
MoBL
35
30
20
15
10
5
2.7
2.8
3.7
SUPPLY VOLTAGE (V)
Truth Table
CE WE
H
X
L
H
L
H
L
H
L
H
L
H
L
L
L
L
L
L
L
L
OE BHE BLE
Inputs/Outputs
X
X
X High-Z
L
L
L Data Out (I/O
0
–
I/O
15
)
L
H
L Data Out (I/O
0
–
I/O
7
);
I/O
8
–
I/O
15
in High-Z
L
L
H Data Out (I/O
8
–
I/O
15
);
I/O
0
–
I/O
7
in High-Z
L
H
H High-Z
H
X
X High-Z
X
L
L Data In (I/O
0
–
I/O
15
)
X
H
L Data In (I/O
0
–
I/O
7
);
I/O
8
–
I/O
15
in High-Z
X
L
H Data In (I/O
8
–
I/O
15
);
I/O
0
–
I/O
7
in High-Z
X
H
H High-Z
Mode
Deselect/Power-down
Read
Read
Read
Output Disabled
Output Disabled
Write
Write
Write
Output 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
)
Active (I
CC
)
Active (I
CC
)
Document #: 38-05159 Rev. *A
Page 8 of 10
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