LVC161284 datasheet(1/11 Pages) STMICROELECTRONICS

部件名	LVC161284

功能描述	LOW VOLTAGE HIGH SPEED IEEE1284 TRANSCEIVER

PDF	11 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 11 page

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May 2003

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HIGH SPEED: tPD = 9ns (MAX.) at VCC =3V

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LOW POWER DISSIPATION:

ICC=20µA(MAX) at VCC=3.6V TA=85°C

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TTL COMPATIBLE INPUTS

VIH=2V (MIN) VIL=0.8(MAX)

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OPERATING VOLTAGE RANGE:

VCC(OPR) = 3.0V to 3.6V

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A PORT HAVE STANDARD 4mA TOTEM

POLE OUTPUT

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B PORT HIGH DRIVE SOURCE/SINK

CAPABILITY OF 14mA

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SUPPORT IEEE STD 1284-I (LEVEL 1 TYPE)

AND IEEE STD 1284-II (LEVEL 2 TYPE) FOR

BIDIRECTIONAL PARALLEL

COMMUNICATIONS BETWEEN PERSONAL

COMPUTER ANT PRINTING PERIPHERALS

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TRANSLATION CAPABILITY ALLOW

OUTPUTSON CABLESIDETO INTERFACE

WITH 5V SIGNAL

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PULL-UP RESISTOR INTEGRATED ON ALL

OPEN-DRAIN OUTPUT ELIMINATE THE

NEED FOR DISCRETE RESISTOR

s

REPLACE THE FUNCTION OF TWO

74LVC1284 DEVICES

DESCRIPTION

The 74LVC161284 contains eight high speed non

inverting bidirectional buffers and eleven control/

status non-inverting buffers with open drain

outputs

fabricated

in

silicon

gate

C2MOS

technology. It’s intended to provide a standard

signaling

method

for

a

bi-direction

parallel

peripheral in an Extended Capabilities Port Mode

(ECP). The HD (Active HIGH) input pin enables

the Cable port to switch from Open Drain to a high

drive totem pole output, capable of sourcing 14mA

on all thirteen buffer and 84mA on PERI LOGIC

OUTPUT buffer. The DIR input determines the

direction of data flow on the bidirectional buffers.

DIR (Active HIGH) enables data flow from A port

to B port. DIR (Active LOW) enables data flow

from B port to A port. It is available in the

commercial temperature range.

74LVC161284

LOW VOLTAGE HIGH SPEED IEEE1284 TRANSCEIVER

ORDER CODES

PACKAGE

TUBE

T & R

TSSOP

74LVC161284TTR

TSSOP

PIN CONNECTION

类似零件编号 - LVC161284

制造商	部件名	数据表	功能描述
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