HD74LS161ARPEL 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

HD74LS161ARPEL

Synchronous 4-bit Binary Counter (direct clear)

Renesas Electronics 

HD74LS161A

Pin Arrangement

Clear 1

Clock 2

A3

B4

Data

Inputs C 5

D6

Enable P 7

GND 8

Block Diagram

Clock

Clear

Load

P

Enable

T

A

B

CLR

CK Ripple

Carry

A

QA

B

QB

C

QC

D

QD

P

T

Load

(Top view)

16 VCC

15

Ripple

Carry Output

14 QA

13 QB

Outputs

12 QC

11 QD

10 Enable T

9 Load

DQ

CK

Q

CLR

Output

QA

DQ

CK

Q

CLR

Output

QB

Data

Inputs

C

DQ

CK

Q

CLR

Output

QC

D

Rev.2.00, Feb.18.2005, page 2 of 10

DQ

CK

Q

CLR

Output

QD

Ripple

Carry

Output

Share Link: