MM74C922CW 데이터 시트보기 (PDF) - Fairchild Semiconductor
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MM74C922CW Datasheet PDF : 10 Pages
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Connection Diagrams (Continued)
Pin Assignment for
DIP and SOIC Package
Top View
MM74C923
Truth Tables
(Pins 0 through 11)
Switch
Position
D
0
1
2
3
4
5
6
7
8
9
10
11
Y1,X1 Y1,X2 Y1,X3 Y1,X4 Y2,X1 Y2,X2 Y2,X3 Y2,X4 Y3,X1 Y3,X2 Y3,X3 Y3,X4
AA
TB
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
AC
OD
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
U E (Note 1) 0
0
0
0
0
0
0
0
0
0
0
0
T
(Pins 12 through 19)
Switch
Position
12
Y4,X1
D
AA
0
TB
0
AC
1
OD
1
U E (Note 1) 0
T
13
Y4,X2
1
0
1
1
0
14
Y4,X3
0
1
1
1
0
15
Y4,X4
1
1
1
1
0
16
17
18
19
Y5(Note 1), Y5 (Note 1), Y5 (Note 1), Y5 (Note 1),
X1
X2
X3
X4
0
1
0
1
0
0
1
1
0
0
0
0
0
0
0
0
1
1
1
1
Note 1: Omit for MM74C922
www.fairchildsemi.com
2
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