Denon AVR-X1100W

TC74VHC157F (DIGITAL_DIR : IC774-775)
Block diagram
TC74VHC157F/FT/FK
2007-10-01
2
Inputs
ST SELECT A B
Output
H X X X L
L L L X L
L L H X H
L H X L L
L H X H H
X: Dont care
V
CC
16
4A
4B
15
14
13
12
11
10
1
2
3
4
5
6
7
1Y
2A
2B
2Y
GND
4Y
8
3Y
9
3A
3B
(top view)
1A
1B
SELECT
ST A S G
B A
Y B
A Y
B A
Y BY
(1)
(15)
(2)
(5)
(3)
1A
2A
1B
(6)
(10)
3A
2B
(9)
EN
SELECT
ST
3B
(12)
4Y
3Y
(7)
2Y
(4)
1Y
(14)
(13)
4A
4B
G1
(11)
1 MUX
1
TC74VHC157F/FT/FK
2007-10-01
2
Inputs
ST SELECT A B
Output
H X X X L
L L L X L
L L H X H
L H X L L
L H X H H
X: Dont care
V
CC
16
4A
4B
15
14
13
12
11
10
1
2
3
4
5
6
7
1Y
2A
2B
2Y
GND
4Y
8
3Y
9
3A
3B
(top view)
1A
1B
SELECT
ST A S G
B A
Y B
A Y
B A
Y BY
(1)
(15)
(2)
(5)
(3)
1A
2A
1B
(6)
(10)
3A
2B
(9)
EN
SELECT
ST
3B
(12)
4Y
3Y
(7)
2Y
(4)
1Y
(14)
(13)
4A
4B
G1
(11)
1 MUX
1
137