SN74AVC8T245-Q1 datasheet(2/22 Pages) TI1

Teilenummer	SN74AVC8T245-Q1

Bauteilbeschribung	8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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Hersteller	TI1 [Texas Instruments]

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SN74AVC8T245-Q1

SCES785A

– DECEMBER 2008 – REVISED JUNE 2011

www.ti.com

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,

preventing damaging current backflow through the device when it is powered down.

The VCC isolation feature ensures that if either VCC input is at GND, both ports are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

ORDERING INFORMATION(1)

TA

PACKAGE(2)

ORDERABLE PART NUMBER

TOP-SIDE MARKING

QFN

– RHL

Reel of 1000

CAVC8T245QRHLRQ1

WE245Q

–40°C to 125°C

TSSOP

– PW

Reel of 2000

SN74AVC8T245QPWRQ1

WE245Q

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2)

Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

FUNCTION TABLE

(each 8-bit section)

INPUTS

OPERATION

OE

DIR

L

B data to A bus

L

H

A data to B bus

H

X

All outputs Hi-Z

LOGIC DIAGRAM (POSITIVE LOGIC)

2

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