74F2245SC datasheet(1/6 Pages) NSC

Il numero della parte	74F2245SC

Spiegazioni elettronici	Octal Bidirectional Transceiver with TRI-STATE Outputs

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Produttore elettronici	NSC [National Semiconductor (TI)]

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TLF12151

November 1996

74F2245

Octal Bidirectional Transceiver with TRI-STATE

Outputs

General Description

The ’F2245 contains eight non-inverting bidirectional buffers

with TRI-STATE outputs and is intended for bus-oriented

applications Current sinking capability is 24 mA at the A

ports and 12 mA at the B ports The TransmitReceive

(TR) input determines the direction of data flow through

the bidirectional transceiver Transmit (active HIGH) en-

ables data from A ports to B ports Receive (active LOW)

enables data from B ports to A ports The Output Enable

input when HIGH disables both A and B ports by placing

them in a High Z condition

The 25X series resistors in the outputs reduce ringing and

eliminate the need for external resistors

Features

Y

Non-inverting buffers

Y

Bidirectional data path

Y

A outputs sink 24 mA

Y

B outputs sink 12 mA

Y

25X series resistors in B outputs eliminate the need for

external resistors

Y

Guaranteed 2000V minimum ESD protection

Commercial

Package

Package Description

Number

74F2245SC (Note 1)

M20B

20-Lead (0300 Wide) Molded Small Outline JEDEC

Note 1

Devices also available in 13

reel Use suffix e SCX

Logic Symbols

TLF12151 – 1

IEEEIEC

TLF12151 – 2

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1996 National Semiconductor Corporation

RRD-B30M126Printed in U S A

http

www nationalcom

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