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MC14569B 데이터 시트보기 (PDF) - ON Semiconductor
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MC14569B
Programmable Divide−By−N Dual 4−Bit Binary/BCD Down Counter
ON Semiconductor
MC14569B Datasheet PDF : 14 Pages
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MC14569B
Table 5Mode Controls
(CTL
1
= High, CTL
2
= High, Cascade Feedback = High)
Preset Values
Divide Ratio
Zero
P7
P6
P5
P4
P3
P2
P1
P0
Detect
Q
0
0
0
0
0
0
0
0
100
100
0
0
0
0
0
0
0
1
X
X
0
0
0
0
0
0
1
0
2
X
0
0
0
0
0
0
1
1
3
X
X
X
X
0
0
0
0
1
0
0
1
9
X
0
0
0
1
0
0
0
0
10
X
X
X
X
0
0
1
1
0
0
0
0
30
X
X
X
X
0
1
0
0
0
0
0
0
40
X
X
X
X
0
1
0
1
0
0
0
0
50
X
X
X
X
0
1
1
1
0
0
0
0
70
X
X
X
X
1
0
0
0
0
0
0
0
80
80
1
0
0
1
0
0
0
0
90
90
1
0
0
1
1
0
0
1
99
99
80
40
20
10
8
4
2
1
Comments
Max Count
illegal state
Min Count
Q Output Active
Bit Value
Counter #2
BCD
Counter #1
BCD
Counting
Sequence
X = No Output (Always Low)
CLOCK
ZERO
DETECT
OUTPUT
DIVIDE
BY 2
DIVIDE
BY 3
DIVIDE
BY 4
DIVIDE
BY 12
TIMING DIAGRAM MC14569B
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