74HC161 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HC161 Datasheet PDF : 18 Pages
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Nexperia
74HC161
Presettable synchronous 4-bit binary counter; asynchronous reset
4. Functional diagram
15
TC
3 D0
Q0 14
4 D1
Q1 13
5 D2
Q2 12
6 D3
Q3 11
9 PE
CEP CET CP MR
7 10 2
Fig. 1. Logic symbol
1 mna905
9 PE
10 CET
7 CEP
2 CP
1 MR
Fig. 3. Functional diagram
1
R CTR4
9
M1
7
G3
10
G4
2
C2/1,3,4+
3
1,2D
14
4
13
5
12
6
11
15
4 CT = 15
mna906
Fig. 2. IEC logic symbol
3456
D0 D1 D2 D3
PARALLEL LOAD
CIRCUITRY
BINARY
COUNTER
TC 15
Q0 Q1 Q2 Q3
14 13 12 11
mna907
74HC161
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 4 October 2018
© Nexperia B.V. 2018. All rights reserved
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