MM74HCT245SJ Fairchild Semiconductor, MM74HCT245SJ Datasheet

MM74HCT245SJ

Manufacturer Part Number

MM74HCT245SJ

Description

IC TRANSCVR TRI-ST 8BIT 20SOP

Manufacturer

Fairchild Semiconductor

Series

74HCTr

Datasheet

1.MM74HCT245WMX.pdf (8 pages)

Specifications of MM74HCT245SJ

Logic Type

Transceiver, Non-Inverting

Number Of Elements

Number Of Bits Per Element

Current - Output High, Low

7.2mA, 7.2mA

Voltage - Supply

4.5 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-SOIC (7.5mm Width)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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MM74HCT245WM

MM74HCT245SJ

MM74HCT245MTC

MM74HCT245N

MM74HCT245

Octal 3-STATE Transceiver

General Description

The MM74HCT245 3-STATE bi-directional buffer utilizes

advanced silicon-gate CMOS technology and is intended

for two-way asynchronous communication between data

buses. It has high drive current outputs which enable high

speed operation even when driving large bus capaci-

tances. This circuit possesses the low power consumption

of CMOS circuitry, yet has speeds comparable to low

power Schottky TTL circuits.

This device is TTL input compatible and can drive up to 15

LS-TTL loads, and all inputs are protected from damage

due to static discharge by diodes to V

The MM74HCT245 has one active low enable input (G),

and a direction control (DIR). When the DIR input is HIGH,

data flows from the A inputs to the B outputs. When DIR is

LOW, data flows from B to A.

MM74HCT devices are intended to interface between TTL

and NMOS components and standard CMOS devices.

These parts are also plug-in replacements for LS-TTL

devices and can be used to reduce power consumption in

existing designs.

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Order Number

Pin Assignments for DIP, SOIC, SOP and TSSOP

Package Number

Top View

MTC20

M20B

M20D

N20A

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide

and ground.

DS005366

Features

Truth Table

TTL input compatible

3-STATE outputs for connection to system busses

High output drive current: 6 mA (min)

High speed: 16 ns typical propagation delay

Low power: 80

LOW Level

Irrelevant

HIGH Level

Package Description

Control

Inputs

A (74HCT Series)

DIR

February 1984

Revised May 2005

B data to A bus

A data to B bus

Operation

isolation

www.fairchildsemi.com

245

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MM74HCT245SJ Summary of contents

Page 1

... Ordering Code: Order Number Package Number MM74HCT245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide MM74HCT245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide MM74HCT245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide ...

Page 2

Logic Diagram www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings (Note 2) Supply Voltage ( Input Voltage ( Output Voltage (V ) OUT Clamp Diode Current ( Output Current GND ...

Page 4

AC Electrical Characteristics q V 5.0V ns (unless otherwise specified Symbol Parameter Maximum Output PHL PLH Propagation Delay Maximum Output PZL PZH Enable Time ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Package Number M20B 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide www.fairchildsemi.com Package Number M20D 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC20 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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