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FEATURES

DCT OR DCU PACKAGE

(TOP VIEW)

1

2

3

4

8

7

6

5

GND

SCL1

SDA1

EN

SCL2

SDA2

PCA9306

DUAL BIDIRECTIONAL I2C BUS AND SMBus VOLTAGE-LEVEL TRANSLATOR

SCPS113 – OCTOBER 2004 – REVISED APRIL 2005

•

Lock-Up-Free Operation for Isolation When

EN = Low

•

2-Bit Bidirectional Translator for SDA and SCL

•

Flow-Through Pinout for Ease of Printed

Circuit Board Trace Routing

•

•

Latch-Up Performance Exceeds 100 mA Per

•

Less Than 1.5-ns Maximum Propagation Delay

JESD 78, Class II

to Accommodate Standard-Mode and

•

ESD Protection Exceeds JESD 22

•

Allows Voltage-Level Translator Between

– 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

•

High-Impedance SCL1, SDA1, SCL2, and

SDA2 Pins for EN = Low

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

resistor.

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 © 2004–2005, 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.