74112 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

74112

DUAL J-K FLIP FLOP WITH PRESET AND CLEAR

STMicroelectronics 

M54/M74HC112

TRUTH TABLE

INPUTS

CLR

PR

J

K

L

H

X

X

H

L

X

X

L

L

X

X

H

H

L

L

H

H

H

L

H

H

L

H

H

H

H

H

H

H

X

X

X: Don’t Care

OUTPUTS

CK

Q

Q

X

L

H

X

H

L

X

H

H

Qn

Qn

H

L

L

H

Qn

Qn

Qn

Qn

PIN DESCRIPTION

PIN No

1, 13

2, 12

3, 11

4, 10

5, 9

6, 7

15, 14

8

16

SYMBOL

1CK, 2CK

1K, 2K

1J, 2J

1PR, 2PR

1Q, 2Q

1Q, 2Q

1CLR,

2CLR

GND

VCC

NAME AND FUNCTION

Clock Input (HIGH to

LOW edge triggered)

Data Inputs: Flip-Flop 1

and 2

Data Inputs: Flip-Flop 1

and 2

Set Inputs

True Flip-Flop Outputs

Complement Flip-Flop

Outputs

Reset inputs

Ground (0V)

Positive Supply Voltage

IEC LOGIC SYMBOL

LOGIC DIAGRAM (1/2 Package)

FUNCTION

CLEAR

PRESET

NO CHANGE

TOGGLE

NO CHANGE

2/11

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