SN74AVCH1T45

SINGLEBIT DUALSUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS

SCES598C – JULY 2004 – REVISED OCTOBER 2004

2

POST OFFICE BOX 655303

description/ordering information (continued)

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

state. The bus-hold circuitry on the powered-up side always stays active.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors

with the bus-hold circuitry is not recommended.

NanoStar

 and NanoFree package technology is a major breakthrough in IC packaging concepts, using the

die as the package.

FUNCTION TABLE

INPUT

DIR

OPERATION

L

B data to A bus

H

A data to B bus

logic diagram (positive logic)

B

DIR

5

4

A

3

VCCA

VCCB