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APPLICATION INFORMATION

1

2

3

6

5

4

SYSTEM-1

SYSTEM-2

SN74AVC1T45

SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SCES530D – DECEMBER 2003 – REVISED NOVEMBER 2005

Figure 2 shows an example of the SN74AVC1T45 being used in a unidirectional logic level-shifting application.

PIN

NAME

FUNCTION

DESCRIPTION

1

SYSTEM-1 supply voltage (1.2 V to 3.6 V)

2

GND

GND

Device GND

3

A

OUT

4

B

IN

5

DIR

DIR

GND (low level) determines B-port to A-port direction.

6

SYSTEM-2 supply voltage (1.2 V to 3.6 V)

Figure 2. Unidirectional Logic Level-Shifting Application

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