23
AVR-2106/886
BA7626 (IC1000,1002,1150~1153)
BU4052BCF (IC601D,602D) MM74HC4053MX (IC1001,1004,1008)
SN74LVC139A (IC820) 74LVX157 (IC816)
SN74LV573APW (IC818,819) SN74LV14APW (IC829)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Monitor OUT
GND
IN5
GND
IN4
CTL E
IN3
CTL D
IN1
CTL A
V OUT1
Vcc
IN2
CTL B
V OUT2
CTL C
6dB
6dB
LOGIC
LOGIC
ABE
MONITOR OUT
C D E V OUT 1 C D E V OUT 2
LL* IN 1 LL*
LL* IN 1
H L * IN 2 H L * IN 2 H L *
L H * IN 3 L H * IN 3 L H * IN 3
H H L IN 4 H H L IN 4 H H L IN 4
HHH IN 5 HHH IN 5 HHH IN 5
Note 1: * mark means that feasible for either H or L.
Note 2: Each input terminal is provided with sink chip clamp (BA7625).
Each input terminal takes 20kohm at the end (BA7626).
Y
4
Y
2
Y
3
Y
1
INH
V
EE
Vss
V
DD
X
2
X
1
X
0
X
3
A
B
Common
X
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INH
A B ON SWITCH
L
LLX
L
HL
L
LH
L
HH
H
XX
Y
00
XY
11
XY
22
XY
33
NONE
FUNCTION TABLE
TOP VIEW
X:Don't Care
X
0
Y
0
X
1
Y
1
X
2
Y
2
X
3
Y
3
Common
Y
INH
V
EE
B
OUT/IN
A
OUT/IN
X
Y
1
2
V
EE
3
4
5
6
7
8
9
10
11
16
15
14
13
12
Y1
Y0
Z1
Z
Z0
Enable
GND
Vcc
Y
X1
X
X0
C
A
B
X = Don’t Care
Truth Table
Control Inputs
Select
Enable C B A
ONSwitches
L L L L Z0 Y0 X0
L L L H Z0 Y0 X1
L L H L Z0 Y1 X0
L L H H Z0 Y1 X1
L H L L Z1 Y0 X0
L H L H Z1 Y0 X1
L H H L Z1 Y1 X0
L H H H Z1 Y1 X1
H X X X None
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
V
CC
2G
2A
2B
2Y0
2Y1
2Y2
2Y3
FUNCTION TABLE
(each decoder/demultiplexer)
INPUTS
OUTPUTS
G
SELECT
OUTPUTS
G
B A Y3 Y2 Y1 Y0
L L L H H H L
L L HHHLH
L H LHLHH
L H HLHHH
H X X H H H H
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Vcc
ST
4A
4B
4Y
3A
3B
3Y
SE
LECT
5
SEL
1
2
3
4
5
6
7
8
10
9
20
19
18
17
16
15
14
13
12
11
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
Vcc
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
LE
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D0
D1 D2
D3 D4 D5 D6
D7
L
E
OE
1
234
567
89
11
12131415
16
17
1819
Q0 Q1
Q2
Q3
Q4 Q5 Q6 Q7
1A
1Y
2A
2Y
3A
3Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
6A
6Y
5A
5Y
4A
4Y
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com
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