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HD74HC4518 데이터 시트보기 (PDF) - Renesas Electronics
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HD74HC4518
Dual BCD Up Counters / Dual Binary Up Counters
Renesas Electronics
HD74HC4518 Datasheet PDF : 9 Pages
1
2
3
4
5
6
7
8
9
HD74HC4518, HD74HC4520
Pin Arrangement
Clock A 1
Enable A 2
Q
0
A 3
Q
1
A 4
Q
2
A 5
Q
3
A 6
Reset A 7
GND 8
16 V
CC
15 Reset B
C
R
Q
0
Q
3
14 Q
3
B
Q
1
Q
2
13 Q
2
B
Q
2
Q
1
12 Q
1
B
Q
3
Q
0
11 Q
0
B
R
C
10 Enable B
9 Clock B
(Top view)
Block Diagram
HD74HC4518
Q
0
Q
1
Q
2
Q
3
Reset
Enable
Clock
D
Q
C
Q
R
D
Q
C
Q
R
D
Q
C
Q
R
D
Q
C
Q
R
Rev.2.00, Mar 30, 2006 page 2 of 8
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