SN74LS112D Motorola, SN74LS112D Datasheet

SN74LS112D

Manufacturer Part Number

SN74LS112D

Description

DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP

Manufacturer

Motorola

Datasheet

1.SN74LS112D.pdf (4 pages)

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DUAL JK NEGATIVE

EDGE-TRIGGERED FLIP-FLOP

asynchronous set and clear inputs to each flip-flop. When the clock goes

HIGH, the inputs are enabled and data will be accepted. The logic level of the

J and K inputs may be allowed to change when the clock pulse is HIGH and

the bistable will perform according to the truth table as long as minimum set-up

and hold time are observed. Input data is transferred to the outputs on the

negative-going edge of the clock pulse.

* Both outputs will be HIGH while both S D and C D are LOW, but the output states

H, h = HIGH Voltage Level

L, I = LOW Voltage Level

X = Don’t Care

l, h (q) = Lower case letters indicate the state of the referenced input (or output)

l, h (q) =

are unpredictable if S D and C D go HIGH simultaneously.

CLEAR (C D )

Set

Reset (Clear)

*Undetermined

Toggle

Load “0” (Reset)

Load “1” (Set)

Hold

The SN54 / 74LS112A dual JK flip-flop features individual J, K, clock, and

OPERATING MODE

one set-up time prior to the HIGH to LOW clock transition.

15(14)

3(11)

5(9)

MODE SELECT — TRUTH TABLE

LOGIC DIAGRAM (Each Flip-Flop)

S D

C D

INPUTS

CLOCK (CP)

FAST AND LS TTL DATA

OUTPUTS

1(13)

5-185

6(7)

4(10)

2(12)

SET (S D )

EDGE-TRIGGERED FLIP-FLOP

SN54/74LS112A

ORDERING INFORMATION

LOW POWER SCHOTTKY

SN54LSXXXJ

SN74LSXXXN Plastic

SN74LSXXXD SOIC

DUAL JK NEGATIVE

K C

LOGIC SYMBOL

S D

V CC = PIN 16

GND = PIN 8

Ceramic

CASE 751B-03

CASE 620-09

CASE 648-08

CERAMIC

N SUFFIX

D SUFFIX

J SUFFIX

PLASTIC

SOIC

C D

S D

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SN74LS112D Summary of contents

Page 1

DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP The SN54 / 74LS112A dual JK flip-flop features individual J, K, clock, and asynchronous set and clear inputs to each flip-flop. When the clock goes HIGH, the inputs are enabled and data will be accepted. ...

Page 2

GUARANTEED OPERATING RANGES Symbol Parameter V CC Supply Voltage T A Operating Ambient Temperature Range I OH Output Current — High I OL Output Current — Low DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input ...

Page 3

G - 0.25 (0.010 - SEATING -T- PLANE 0.25 (0.010) ...

Page 4

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...

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