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Technical Note
BU4066BC,BU4066BCF,BU4066BCFV,BU4051BC,BU4051BCF,BU4051BCFV,BU4052BC,
BU4052BCF,BU4052BCFV,BU4053BC,BU4053BCF,BU4053BCFV,BU4551B,BU4551BF,BU4551BFV
13/17
www.rohm.com
2013.07 - Rev.C
2011 ROHM Co., Ltd. All rights reserved.
IN / OUT
CONT
VDD VDD
VDD
IN / OUT
1
2
3
4
5
6
7
16
15
14
13
12
11
10
X4
X6
X
X7
X5
INHIBIT
VEE
VDD
X2
X1
X0
X3
A
B
8
VSS
9 C
6
OUT/IN
7
5
INH
VEE
2
1
0
3
A
B
4
C
CHANNEL
IN/OUT
COMMON
OUT/IN
CHANNEL
IN/OUT
●Pin Configration·Pin Function·Block Diagram·Truth Table
1)
BU4066BC Series
PIN FUNCTION
2)
BU4051BCSeries
PIN FUNCTION
PIN No. PIN NAME
I/O
PIN FUNCTION
1
X4
I/O
Analog Switch Input / Output
2
X6
I/O
Analog Switch Input / Output
3
X
I/O
Analog Switch Input / Output
4
X7
I/O
Analog Switch Input / Output
5
X5
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
X3
I/O
Analog Switch Input / Output
13
X0
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
C
ON
SWITCH
L
X0
L
H
L
X1
L
H
L
X2
L
H
L
X3
L
H
X4
L
H
L
H
X5
L
H
X6
L
H
X7
H
X
NONE
PIN No.
PIN NAME
I/O
PIN FUNCTION
1
IN/OUT
I/O
Analog Switch Input / Output
2
OUT/IN
I/O
Analog Switch Input / Output
3
OUT/IN
I/O
Analog Switch Input / Output
4
IN/OUT
I/O
Analog Switch Input / Output
5
CONT.B
I
Control Input
6
CONT.C
I
Control Input
7
VEE
-
Power Supply(-)
8
IN/OUT
I/O
Analog Switch Input / Output
9
OUT/IN
I/O
Analog Switch Input / Output
10
OUT/IN
I/O
Analog Switch Input / Output
11
IN/OUT
I/O
Analog Switch Input / Output
12
CONT.D
I
Control Input
13
CONT.A
I
Control Input
14
VDD
-
Power Supply(+)
TRUTH TABLE
CONTROL
ON
SWITCH
A
A(1pin-2pin)
B
B(3pin-4pin)
C
C(8pin-9pin)
D
D(10pin-11pin)
1
2
4
5
6
7
14
13
12
9
8
IN/OUT
VEE
VDD
CONT.A
IN/OUT
OUT/IN
IN/OUT
OUT/IN
IN/OUT
CONT.B
CONT.C
CONT.D
11
3
10
OUT/ IN IN/ OUT
SWA
SWD
OUT/ IN IN/ OUT
IN/O UT OUT /IN
SWB
SWC
IN/O UT OUT /IN
BINARY TO 1 of 8 DECODER
WITH INHIBIT
LEVEL
CONVERTER
VDD
INHIBIT
A
B
C
VSS
VEE
X0
X1
X2
X3
X4
X5
X6
X7
COMMON
X