SN74LS280DG ON Semiconductor, SN74LS280DG Datasheet

SN74LS280DG

Manufacturer Part Number

SN74LS280DG

Description

Manufacturer

ON Semiconductor

Datasheet

1.SN74LS280DG.pdf (4 pages)

Specifications of SN74LS280DG

Logical Function

Parity Gen/Checker

Logic Family

Number Of Elements

Number Of Bits

Propagation Delay Time

50ns

High Level Output Current

-400uA

Low Level Output Current

8mA

Operating Supply Voltage (typ)

Package Type

SOIC

Operating Temp Range

0C to 70C

Operating Supply Voltage (min)

4.75V

Operating Supply Voltage (max)

5.25V

Pin Count

Mounting

Surface Mount

Operating Temperature Classification

Commercial

Technology

Bipolar

Lead Free Status / RoHS Status

Compliant

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SN74LS280

9−Bit Odd/Even Parity

Generators/Checkers

features odd / even outputs to facilitate either odd or even parity. By

cascading, the word length is easily expanded.

but the corresponding function is provided by an input at Pin 4 and the

absence of any connection at Pin 3. This design permits the LS280 to

be substituted for the LS180 which results in improved performance.

The LS280 has buffered inputs to lower the drive requirements to one

LS unit load.

•

GUARANTEED OPERATING RANGES

July, 2006 − Rev. 8

Symbol

The SN74LS280 is a Universal 9-Bit Parity Generator / Checker. It

The LS280 is designed without the expander input implementation,

Generates Either Odd or Even Parity for Nine Data Lines

Typical Data-to-Output Delay of only 33 ns

Cascadable for n-Bits

Can Be Used To Upgrade Systems Using MSI Parity Circuits

Typical Power Dissipation = 80 mW

H = HIGH Level, L = LOW Level

Supply Voltage

Operating Ambient

Output Current − High

Output Current − Low

THRU 1 THAT ARE HIGH

Temperature Range

NUMBER OF INPUTS A

INPUTS

Parameter

0, 2, 4, 6, 8

1, 3, 5, 7, 9

FUNCTION TABLE

INPUT

INPUTS

EVEN

OUTPUTS

EVEN

4.75

Min

ODD

∑EVEN

Typ

5.0

OUTPUTS

GND

∑ODD

Max

5.25

−0.4

8.0

Unit

°C

SN74LS280N

SN74LS280D

SN74LS280DR2

SN74LS280M

SN74LS280MEL

1. For ordering information on the EIAJ version of

the SOIC package, please contact your local

ON Semiconductor representative.

Device

ORDERING INFORMATION

http://onsemi.com

SCHOTTKY

POWER

CASE 751A

CASE 646

M SUFFIX

CASE 965

N SUFFIX

D SUFFIX

SOEIAJ−14

PLASTIC

14 Pin DIP

SOEIAJ

SOIC−14

LOW

Package

SOIC

Publication Order Number:

2500/Tape & Reel

2000 Units/Box

55 Units/Rail

SN74LS280/D

See Note 1

Shipping

Related parts for SN74LS280DG

SN74LS280DG Summary of contents

Page 1

... Units/Box SN74LS280D SOIC−14 55 Units/Rail SN74LS280DR2 SOIC−14 2500/Tape & Reel SN74LS280M SOEIAJ−14 See Note 1 SN74LS280MEL SOEIAJ−14 See Note 1 1. For ordering information on the EIAJ version of the SOIC package, please contact your local ON Semiconductor representative. Publication Order Number: SN74LS280/D ...

Page 2

A (9) B (10) C (11) D (12) E (13) F (1) G ( CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Parameter V Input HIGH Voltage IH V Input LOW Voltage IL V Input Clamp Diode ...

Page 3

−T− SEATING PLANE 0.13 (0.005) −A− −B− −T− SEATING 14 PL PLANE 0.25 (0.010 PACKAGE DIMENSIONS N SUFFIX PLASTIC PACKAGE ...

Page 4

... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...

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