HCF4520BC1 데이터 시트보기 (PDF) - STMicroelectronics
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HCF4520BC1 Datasheet PDF : 14 Pages
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HCC/HCF4518B/4520B
TRUTH TABLE
Clock
– /–
0
–\–
X
– /–
1
X
Enable
1
–\–
X
– /–
0
–\–
X
Reset
0
0
0
0
0
0
1
Action
Increment Counter
Increment Counter
No Change
No Change
No Change
No Change
Q1 Thru Q4 = 0
X = Don’t Care Logic 1 = High State Logic 0 = Low
TIMING DIAGRAM
4/14
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