Technical Note
BU4066BC,BU4066BCF,BU4066BCFV,BU4051BC,BU4051BCF,BU4051BCFV,BU4052BC,
BU4052BCF,BU4052BCFV,BU4053BC,BU4053BCF,BU4053BCFV,BU4551B,BU4551BF,BU4551BFV
14/17
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2013.07 - Rev.C
2011 ROHM Co., Ltd. All rights reserved.
1
2
3
4
5
6
7
16
15
14
13
12
11
10
VDD
Y
X
X1
X0
A
B
8
9 C
0Y
1Z
Z
0Z
INH
VEE
Y
X
1X
OX
A
B
1Y
C
Y1
Y0
Z1
Z
Z0
INHIBIT
VEE
VSS
3)
BU4052BC Series
PIN FUNCTION
PIN No. PIN NAME
I/O
PIN FUNCTION
1
Y0
I/O
Analog Switch Input / Output
2
Y2
I/O
Analog Switch Input / Output
3
COMMON Y
I/O
Analog Switch Input / Output
4
Y3
I/O
Analog Switch Input / Output
5
Y1
I/O
Analog Switch Input / Output
6
INHIBIT
I
Control Input
7
VEE
-
Power Supply(-)
8
VSS
-
Power Supply(-)
9
B
I
Control Input
10
A
I
Control Input
11
X3
I/O
Analog Switch Input / Output
12
X0
I/O
Analog Switch Input / Output
13
COMMON X
I/O
Analog Switch Input / Output
14
X1
I/O
Analog Switch Input / Output
15
X2
I/O
Analog Switch Input / Output
16
VDD
-
Power Supply(+)
TRUTH TABLE
INHIBIT
A
B
ON
SWITCH
L
X0, Y0
L
H
L
X1, Y1
L
H
X2, Y2
L
H
X3, Y3
H
X
NONE
4)
BU4053BC Series
PIN FUNCTION
PIN No. PIN NAME
I/O
PIN FUNCTION
1
Y1
I/O
Analog Switch Input / Output
2
Y0
I/O
Analog Switch Input / Output
3
Z1
I/O
Analog Switch Input / Output
4
Z
I/O
Analog Switch Input / Output
5
Z0
I/O
Analog Switch Input / Output
6
INHIBIT
I
Control Input
7
VEE
-
Power Supply(-)
8
VSS
-
Power Supply(-)
9
C
I
Control Input
10
B
I
Control Input
11
A
I
Control Input
12
X0
I/O
Analog Switch Input / Output
13
X1
I/O
Analog Switch Input / Output
14
X
I/O
Analog Switch Input / Output
15
Y
I/O
Analog Switch Input / Output
16
VDD
-
Power Supply(+)
TRUTH TABLE
INHIBIT
A
B
C
ON
SWITCH
L
X0,Y0,Z0
L
H
L
X1,Y0,Z0
L
H
L
X0,Y1,Z0
L
H
L
X1,Y1,Z0
L
H
X0,Y0,Z1
L
H
L
H
X1,Y0,Z1
L
H
X0,Y1,Z1
L
H
X1,Y1,Z1
H
X
NONE
1
2
3
4
5
6
7
16
15
14
13
12
11
10
VDD
X2
X1
COMMON X
X0
X3
A
8
9 B
2Y
Y OUT/IN
3Y
1Y
INH
VEE
2X
1X
OUT/IN X
OX
3X
A
0Y
B
Y0
Y2
COMMON Y
Y3
Y1
INHIBIT
VEE
VSS
BINARY TO 1 of 4 DECODER
WITH INHIBIT
LEVEL
CONVERTER
VDD
INHIBIT
A
B
VSS
VEE
X0
X1
X2
X3
Y0
Y1
Y2
Y3
COMMON
X
COMMON
Y
BINARY TO 1 of 2 DECODER
WITH INHIBIT
LEVEL
CONVERTER
VDD
INHIBIT
A
B
C
VSS
VEE
X0
X1
Y0
Y1
Z0
Z1
COMMON
X
COMMON
Y
COMMON
Z