MM74HC245AWMX Fairchild Semiconductor, MM74HC245AWMX Datasheet

MM74HC245AWMX

Manufacturer Part Number

MM74HC245AWMX

Description

IC TRANSCVR TRI-ST 8BIT 20SOIC

Manufacturer

Fairchild Semiconductor

Series

74HCr

Datasheet

1.MM74HC245AMTCX.pdf (8 pages)

Specifications of MM74HC245AWMX

Logic Type

Transceiver, Non-Inverting

Number Of Elements

Number Of Bits Per Element

Current - Output High, Low

7.8mA, 7.8mA

Voltage - Supply

2 V ~ 6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-SOIC (7.5mm Width)

Logic Family

Operating Supply Voltage (typ)

2.5/3.3/5V

Propagation Delay Time

300ns

Number Of Elements

Number Of Channels

Input Logic Level

CMOS

Output Logic Level

CMOS

Output Type

3-State

Package Type

SOIC W

Polarity

Non-Inverting

Logical Function

Bus Transceiver

Operating Supply Voltage (min)

Operating Supply Voltage (max)

Technology

CMOS

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Mounting

Surface Mount

Pin Count

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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MM74HC245AWM

MM74HC245ASJ

MM74HC245AMTC

MM74HC245AN

MM74HC245A

Octal 3-STATE Transceiver

General Description

The MM74HC245A 3-STATE bidirectional 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

and high noise immunity usually associated with CMOS cir-

cuitry, yet has speeds comparable to low power Schottky

TTL circuits.

This device has an active LOW enable input G and a direc-

tion control input, DIR. When DIR is HIGH, data flows from

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

from the B inputs to the A outputs. The MM74HC245A

transfers true data from one bus to the other.

This device can drive up to 15 LS-TTL Loads, and does not

have Schmitt trigger inputs. All inputs are protected from

damage due to static discharge by diodes to V

ground.

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

DS005165

and

Features

Truth Table

Typical propagation delay: 13 ns

Wide power supply range: 2–6V

Low quiescent current: 80

3-STATE outputs for connection to bus oriented systems

High output drive: 6 mA (minimum)

Same as the 645

LOW Level

Irrelevant

HIGH Level

Package Description

Control

Inputs

DIR

A maximum (74 HC)

September 1983

Revised May 2005

B data to A bus

A data to B bus

Operation

Isolation

www.fairchildsemi.com

Related parts for MM74HC245AWMX

MM74HC245AWMX Summary of contents

Page 1

... Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Pin Assignments for DIP, SOIC, SOP and TSSOP Top View © 2005 Fairchild Semiconductor Corporation Features Typical propagation delay Wide power supply range: 2–6V ...

Page 2

Logic Diagram www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings (Note 2) Supply Voltage ( Input Voltage DIR and G pins ( Input/Output Voltage ( OUT Clamp Diode Current ( Output Current, ...

Page 4

AC Electrical Characteristics q 5V 6ns Symbol Parameter Maximum Propagation Delay PHL PLH Maximum Output Enable PZH PZL Time Maximum Output ...

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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