PCA9306DQER datasheet(3/22 Pages) TI1

Part #	PCA9306DQER

Description	DUAL BIDIRECTIONAL I2C BUS AND SMBus VOLTAGE-LEVEL TRANSLATOR

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SCL2

SDA2

SCL1

SDA1

VREF1

GND

VREF2

8

7

6

5

1

2

3

4

SW

EN

PCA9306

www.ti.com

SCPS113J – OCTOBER 2004 – REVISED OCTOBER 2010

FUNCTION TABLE

LOGIC DIAGRAM (POSITIVE LOGIC)

INPUT

TRANSLATOR FUNCTION

EN(1)

H

SCL1 = SCL2, SDA1 = SDA2

L

Disconnect

(1)

The SCL switch conducts if EN is

≥ 1 V higher than SCL1 or

SCL2. The same is true of SDA.

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