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TCA9509 - Level-Translating I2C and SMBUS Bus Repeater

Texas Instruments

The TCA9509 by Texas Instruments is a Level-Translating I2C and SMBUS Bus Repeater. Below is the official datasheet preview.

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TCA9509 Level-Translating I2C and SMBUS Bus Repeater by Texas Instruments - Datasheet Preview — Official preview page of the TCA9509 Level-Translating I2C and SMBUS Bus Repeater datasheet (Texas Instruments).

Datasheet Details

Part number	TCA9509
Manufacturer	Texas Instruments
File Size	1.07 MB
Description	Level-Translating I2C and SMBUS Bus Repeater
Datasheet	TCA9509-etcTI.pdf
Additional preview pages of the TCA9509 datasheet.

TCA9509 Product details

Description

This TCA9509 integrated circuit is an I2C bus/SMBus Repeater for use in I2C/SMBus systems.

Features

1 Two-Channel Bidirectional Buffer.
I2C Bus and SMBus Compatible.
Operating Supply Voltage Range of 2.7 V to 5.5 V on B side.
Operating Voltage Range of 0.9 V to 5.5 V on A-Side.
Voltage-Level Translation From 0.9 V to 5.5 V and 2.7 V to 5.5 V.
Active-High Repeater-Enable Input.
Requires No External Pullup Resistors on Lower-Voltage Port-A.
Open-Drain I2C I/O.
5.5-V Tolerant I2C and Enable Input Support Mixed-Mode S.

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Published: Dec 22, 2020 |