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DCU PACKAGE

(TOP VIEW)

1

8

GND

2

7

V

REF1

3

6

SCL1

4

5

SDA1

EN

V

REF2

SCL2

SDA2

PCA9306-Q1

VOLTAGE-LEVEL TRANSLATOR

SCPS178 – JULY 2007

• Qualified for Automotive Applications

• High-Impedance SCL1, SDA1, SCL2, and

SDA2 Pins for EN = Low

• 2-Bit Bidirectional Translator for SDA and SCL

• Lock-Up-Free Operation for Isolation When

EN = Low

• Flow-Through Pinout for Ease of Printed

• Less Than 1.5-ns Maximum Propagation Delay

Circuit Board Trace Routing

to Accommodate Standard-Mode and

• Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

• Allows Voltage-Level Translation Between

• ESD Protection Exceeds JESD 22

–

–

2000-V Human-Body Model (A114-A)

–

–

200-V Machine Model (A115-A)

–

–

1000-V Charged-Device Model (C101)

–

• Provides Bidirectional Voltage Translation

With No Direction Pin

• Low 3.5-Ω ON-State Connection Between

Input and Output Ports Provides Less Signal

Distortion

and SDA2)

Mixed-Mode Signal Operation

PIN

SYMBOL

FUNCTION

1

GND

Ground, 0 V

2

Low-voltage-side reference supply voltage for SCL1 and SDA1

3

SCL1

4

SDA1

5

SDA2

6

SCL2

7

High-voltage-side reference supply voltage for SCL2 and SDA2

8

EN

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.