74ALS161BDB datasheet(3/14 Pages) PHILIPS

部品番号	74ALS161BDB

部品情報	4-bit binary counter

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メーカー	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74ALS161B/74ALS163B

4-bit binary counter

1991 Feb 08

3

STATE DIAGRAM

8

7

6

5

4

12

11

10

9

13

14

15

0

1

2

3

SF00664

APPLICATIONS

Q0 Q1 Q2 Q3

CLOCK

PE

CEP

CET

CP

D1

D2

SC00086

D3

D0

SR

TC

74ALS163B

VCC

Figure 1.

Maximum Count Modifying Scheme

Terminal Count = 6

Q0 Q1 Q2 Q3

PE

CEP

CET

CP

D1

D2

SC00087

D3

D0

SR

TC

Q0 Q1 Q2 Q3

PE

CEP

CET

CP

D1

D2 D3

D0

SR

TC

Q0 Q1 Q2 Q3

PE

CEP

CET

CP

D1

D2 D3

D0

SR

TC

Q0 Q1 Q2 Q3

PE

CEP

CET

CP

D1

D2 D3

D0

SR

TC

Q0 Q1 Q2 Q3

PE

CEP

CET

CP

D1

D2 D3

D0

SR

TC

74ALS163B

CP

H H = Enable count

or

L L = Disable count

74ALS163B

Figure 2.

Synchronous Multistage Counting Scheme

同様の部品番号 - 74ALS161BDB

メーカー	部品番号	データシート	部品情報
Fairchild Semiconductor	74ALS161	92Kb / 9P	Synchronous Four-Bit Counter

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