DP8303A datasheet(1/6 Pages) NSC

Part #	DP8303A

Description	8-Bit TRI-STATE-R Bidirectional Transceiver (Inverting)

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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TLF5856

February 1996

DP8303A 8-Bit TRI-STATE

Bidirectional Transceiver (Inverting)

General Description

This family of high speed Schottky 8-bit TRI-STATE bidirec-

tional transceivers are designed to provide bidirectional

drive for bus oriented microprocessor and digital communi-

cations systems They are all capable of sinking 16 mA on

the A ports and 48 mA on the B ports (bus ports) PNP

inputs for low input current and an increased output high

(VOH) level allow compatibility with MOS CMOS and other

technologies that have a higher threshold and less drive

capabilities In addition they all feature glitch-free power

updown on the B port preventing erroneous glitches on the

system bus in power up or down

DP8303A and DP7304BDP8304B are featured with Trans-

mitReceive (TR) and Chip Disable (CD) inputs to simplify

control logic For greater design flexibility DP8307A and

DP7308DP8308 are featured with Transmit (T) and

Receive (R) control inputs

Features

Y

8-bit directional data flow reduces system package

count

Y

Bidirectional TRI-STATE inputsoutputs interface with

bus oriented systems

Y

PNP inputs reduce input loading

Y

Output high voltage interfaces with TTL

MOS

and

CMOS

Y

48 mA300 pF bus drive capability

Y

Pinouts simplify system interconnections

Y

TransmitReceive and chip disable simplify control logic

Y

Compact 20-pin dual-in-line package

Y

Bus port glitch free power updown

Logic and Connection Diagrams

TLF5856 – 1

Dual-In-Line Package

TLF5856 – 2

Top View

Order Number DP8303AN

See NS Package Number N20A

Logic Table

Inputs

Resulting Conditions

Chip Disable

TransmitReceive

A Port

B Port

0

OUT

IN

0

1

IN

OUT

1

X

TRI-STATE

X e Don’t care

TRI-STATE

is a registered trademark of National Semiconductor Corp

C1996 National Semiconductor Corporation

RRD-B30M36Printed in U S A

http

www nationalcom

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DP8303A Datasheet(PDF) 1 Page - National Semiconductor (TI)

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