SN74LS85MELG ON Semiconductor, SN74LS85MELG Datasheet

SN74LS85MELG

Manufacturer Part Number

SN74LS85MELG

Description

Manufacturer

ON Semiconductor

Type

Magnitude Comparatorr

Datasheet

1.SN74LS85MELG.pdf (7 pages)

Specifications of SN74LS85MELG

Logic Family

Technology

Bipolar

High Level Output Current

-400uA

Low Level Output Current

8mA

Output Function

A<B, A=B, A>B

Package Type

SO EIAJ

Mounting

Surface Mount

Pin Count

Polarity

Non-Inverting

Abs. Propagation Delay Time

45ns

Operating Supply Voltage (typ)

Operating Supply Voltage (max)

5.25V

Operating Supply Voltage (min)

4.75V

Operating Temperature (max)

70C

Operating Temperature (min)

Operating Temperature Classification

Commercial

Number Of Bits

Lead Free Status / RoHS Status

Compliant

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SN74LS85

4−Bit Magnitude

Comparator

two 4-bit words (A, B), each word having four Parallel Inputs

is not restricted to binary codes, the device will work with any

monotonic code. Three Outputs are provided: “A greater than B”

Expander Inputs, I

gates. For proper compare operation, the Expander Inputs to the least

significant position must be connected as follows: I

Outputs are connected respectively to the I

Inputs of the next most significant comparator, as shown in Figure 1.

Refer to Applications section of data sheet for high speed method of

comparing large words.

SN74LS85 under all possible logic conditions. The upper 11 lines

describe the normal operation under all conditions that will occur in a

single device or in a series expansion scheme. The lower five lines

describe the operation under abnormal conditions on the cascading

inputs. These conditions occur when the parallel expansion technique

is used.

•

GUARANTEED OPERATING RANGES

July, 2006 − Rev. 8

A = B

Symbol

The SN74LS85 is a 4-Bit Magnitude Camparator which compares

The Truth Table on the following page describes the operation of the

A > B

Easily Expandable

Binary or BCD Comparison

−A

A > B

= H. For serial (ripple) expansion, the O

), “A less than B” (O

, B

, O

A < B

Supply Voltage

Operating Ambient

Output Current − High

Output Current − Low

−B

Temperature Range

, and O

); A

A > B

Parameter

, B

, I

A = B

A < B

being the most significant inputs. Operation

Outputs Available

, I

A < B

A = B

), “A equal to B” (O

, allow cascading without external

4.75

Min

A > B

Typ

A > B

5.0

, I

, O

A < B

Max

5.25

−0.4

8.0

= I

A = B

, and I

and O

A > B

). Three

Unit

°C

= L,

A = B

SN74LS85N

SN74LS85D

SN74LS85DR2

SN74LS85M

SN74LS85MEL

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 751B

CASE 648

N SUFFIX

D SUFFIX

16 Pin DIP

SOEIAJ−16

PLASTIC

M SUFFIX

CASE 966

Package

SOIC−16

LOW

SOEIAJ

SOIC

Publication Order Number:

2500/Tape & Reel

2000 Units/Box

38 Units/Rail

See Note 1

Shipping

SN74LS85/D

Related parts for SN74LS85MELG

SN74LS85MELG Summary of contents

Page 1

... M SUFFIX CASE 966 ORDERING INFORMATION Device Package Shipping 16 Pin DIP 2000 Units/Box SOIC−16 38 Units/Rail SOIC−16 2500/Tape & Reel SOEIAJ−16 See Note 1 SOEIAJ−16 See Note 1 the SOIC package, please contact your local ON Semiconductor representative. Publication Order Number: SN74LS85/D ...

Page 2

CONNECTION DIAGRAM DIP (TOP VIEW A<B A=B A>B A>B A=B ...

Page 3

LOGIC DIAGRAM (15 (1) (13 (14) (2) A<B (3) A=B (4) A>B (12 (11) (10 (9) TRUTH TABLE COMPARING INPUTS ...

Page 4

> < Figure 2 shows a high speed method of comparing two 24-bit words with only two levels of ...

Page 5

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter V Input HIGH Voltage IH V Input LOW Voltage IL V Input Clamp Diode Voltage IK V Output HIGH Voltage OH V Output LOW Voltage OL Input HIGH Current ...

Page 6

0.25 (0.010) −A− −T− SEATING PLANE 0.25 (0.010 PACKAGE DIMENSIONS N SUFFIX PLASTIC PACKAGE CASE ...

Page 7

... 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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