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部品番号
コンポーネント説明
WCMB2016R4X データシートの表示(PDF) - Weida Semiconductor, Inc.
部品番号
コンポーネント説明
メーカー
WCMB2016R4X
128K x 16 Static RAM
Weida Semiconductor, Inc.
WCMB2016R4X Datasheet PDF : 11 Pages
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WCMB2016R4X
Typical DC and AC Characteristics
(
Typical values are included for reference only and are not guaranteed or tested. Typical values are measured at V
CC
= V
CC(typ)
Typ, T
A
= 25°C.)
Operating Current
vs. Supply Voltage
2.4
2.0
1.6
(f=f
max
)
1.2
0.8
0.4
0.0
1.65
1.80
SUPPLY VOLTAGE (V)
(f = 1 MHz)
1.95
Standby Current vs. Supply Voltage
3.5
3.0
2.0
1.5
1.0
0.5
0
1.65
1.80
1.95
SUPPLY VOLTAGE (V)
Truth Table
CE WE
H
X
X
X
L
H
L
H
L
H
L
H
L
H
L
H
L
L
L
L
L
L
Access Time vs. Supply Voltage
40
35
30
25
20
15
10
1.65
1.8
1.95
SUPPLY VOLTAGE (V)
OE BHE BLE
Inputs/Outputs
X
X
X High Z
X
H
H High Z
L
L
L Data Out (I/O
O
–I/O
15
)
L
H
L Data Out (I/O
O
–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
H
L
L High Z
H
H
L High Z
H
L
H High Z
X
L
L Data In (I/O
O
–I/O
15
)
X
H
L Data In (I/O
O
–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
Mode
Deselect/Power-Down
Deselect/Power-Down
Read
Read
Read
Output Disabled
Output Disabled
Output Disabled
Write
Write
Write
Power
Standby (I
SB
)
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
)
9
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