74LV393 데이터 시트보기 (PDF) - Philips Electronics
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74LV393 Datasheet PDF : 12 Pages
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Philips Semiconductors
Dual 4-bit binary ripple counter
LOGIC SYMBOL
1
1CP 1Q0
3
1Q1
4
1
1Q2
5
2
1MR 1Q3
6
13
2CP 2Q0
11
2Q1
10
2
2Q2
9
12
2MR 2Q3
8
SV00673
LOGIC SYMBOL (IEEE/IEC)
CTR4
0
3
2
CT=0
4
CT
1
+
5
3
6
CTR4
0
11
12
CT=0
10
CT
13
+
9
3
8
SV00674
1998 Jun 10
Product specification
74LV393
FUNCTIONAL DIAGRAM
1 1CP
2 1MR
4–BIT
BINARY
RIPPLE
COUNTER
1Q0 3
1Q1 4
1Q2 5
1Q3 6
13 2CP
12 2MR
4–BIT
BINARY
RIPPLE
COUNTER
2Q0 11
2Q1 10
2Q2 9
2Q3 8
SV00675
STATE DIAGRAM
0
1
2
3
4
15
5
14
6
13
7
12
11
10
9
8
SV00676
COUNT SEQUENCE FOR 1 COUNTER
OUTPUTS
COUNT
Q0
Q1
Q2
Q3
0
L
L
L
L
1
H
L
L
L
2
L
H
L
L
3
H
H
L
L
4
L
L
H
L
5
H
L
H
L
6
L
H
H
L
7
H
H
H
L
8
L
L
L
H
9
H
L
L
H
10
L
H
L
H
11
H
H
L
H
12
L
L
H
H
13
H
L
H
H
14
L
H
H
H
15
H
H
H
H
3
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