MC14518BF 查看數據表（PDF） - ON Semiconductor
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MC14518BF Datasheet PDF : 8 Pages
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MC14518B
PIN ASSIGNMENT
CA 1
EA 2
Q0A 3
Q1A 4
Q2A 5
Q3A 6
RA 7
VSS 8
16 VDD
15 RB
14 Q3B
13 Q2B
12 Q1B
11 Q0B
10 EB
9 CB
BLOCK DIAGRAM
CLOCK
1
2
ENABLE
7
CLOCK
9
10
ENABLE
15
Q0 3
Q1 4
C
Q2 5
Q3 6
R
Q0 11
C
Q1
Q2
12
13
R Q3 14
VDD = PIN 16
VSS = PIN 8
TRUTH TABLE
Clock Enable Reset
Action
1
0
Increment Counter
0
0
Increment Counter
X
0
No Change
X
0
No Change
0
0
No Change
1
0
No Change
X
X
1
Q0 thru Q3 = 0
X = Don’t Care
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