MC74HC165A

http://onsemi.com

2

PIN 8 = GND

11

12

13

14

3

4

5

6

10

A

B

C

D

E

F

G

H

PARALLEL

DATA

INPUTS

SERIAL

DATA

INPUT

SERIAL SHIFT/

PARALLEL LOAD

1

2

15

CLOCK

CLOCK INHIBIT

9

7

SERIAL

DATA

OUTPUTS

Figure 1. Pin Assignment

13

14

15

16

9

10

11

12

5

4

3

2

1

8

7

6

B

C

D

CLOCK INHIBIT

A

F

E

CLOCK

SERIAL SHIFT/

PARALLEL LOAD

GND

H

G

Figure 2. Logic Diagram

FUNCTION TABLE

Inputs

Internal Stages

Output

Operation

Serial Shift/

Parallel Load

Clock

Clock

Inhibit

A − H

L

X

X

X

a

… h

a

b

h

Asynchronous Parallel Load

H

H

L

L

L

H

X

X

L

H

Serial Shift via Clock

H

H

L

L

L

H

X

X

L

H

Serial Shift via Clock Inhibit

H

H

X

H

H

X

X

X

X

X

No Change

Inhibited Clock

H

L

L

X

X

No Change

No Clock

X = don’t care

ORDERING INFORMATION

Device

Package

MC74HC165AN

PDIP−16

500 Units / Rail

MC74HC165ANG

PDIP−16

(Pb−Free)

500 Units / Rail

MC74HC165AD

SOIC−16

48 Units / Rail

MC74HC165ADG

SOIC−16

(Pb−Free)

48 Units / Rail

MC74HC165ADR2

SOIC−16

2500 Units / Reel

MC74HC165ADR2G

SOIC−16

(Pb−Free)

2500 Units / Reel

MC74HC165ADTR2

TSSOP−16*

2500 Units / Reel

MC74HC165ADTR2G

TSSOP−16*

2500 Units / Reel

MC74HC165AF

SOEIAJ−16

50 Units / Rail

MC74HC165AFG

SOEIAJ−16

(Pb−Free)

50 Units / Rail

MC74HC165AFEL

SOEIAJ−16

2000 Units / Reel

MC74HC165AFELG

SOEIAJ−16

(Pb−Free)

2000 Units / Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

*This package is inherently Pb−Free.