MM74HC245AWM Fairchild Semiconductor, MM74HC245AWM Datasheet

MM74HC245AWM

Manufacturer Part Number

MM74HC245AWM

Description

IC TRANSCEIVER 3-ST 8BIT 20SOIC

Manufacturer

Fairchild Semiconductor

Series

74HCr

Datasheet

1.MM74HC245AMTCX.pdf (8 pages)

Specifications of MM74HC245AWM

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

74HC

Number Of Channels Per Chip

Input Level

CMOS

Output Level

CMOS

Output Type

3-State

High Level Output Current

- 7.8 mA

Low Level Output Current

7.8 mA

Propagation Delay Time

96 ns

Supply Voltage (max)

6 V

Supply Voltage (min)

2 V

Maximum Operating Temperature

+ 85 C

Function

Transceiver

Input Bias Current (max)

8 uA

Maximum Power Dissipation

500 mW

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Number Of Circuits

Polarity

Non-Inverting

Logic Device Type

Transceiver, Non Inverting

Supply Voltage Range

2V To 6V

Logic Case Style

SOIC

No. Of Pins

Operating Temperature Range

-40Â°C To +85Â°C

Filter Terminals

SMD

Rohs Compliant

Yes

Family Type

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Current page: 1 of 8
Download datasheet (105Kb)

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 MM74HC245AWM

MM74HC245AWM Summary of contents

Page 1

... Schmitt trigger inputs. All inputs are protected from damage due to static discharge by diodes to V ground. Ordering Code: Order Number Package Number MM74HC245AWM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide MM74HC245ASJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide ...

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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