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TCA9416 - Ultra-Low-Voltage I2C Translator

General Description

The TCA9416 is a 2-bit bidirectional I2C and SMBus voltage-level translator with an output enable (OE) input and rising and falling edge accelerators.

It is operational from 1.08 V to 3.6 V on both the Aside and B-side.

Key Features

  • 2-bit bidirectional translator for SDA and SCL lines in I2C.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TCA9416 SCPS238A – FEBRUARY 2021 – REVISED AUGUST 2021 TCA9416 Ultra-Low-Voltage I2C Translator with Rise Time Accelerators 1 Features • 2-bit bidirectional translator for SDA and SCL lines in I2C applications • Provides bidirectional voltage translation with no direction pin • High-impedance output SCL_A, SDA_A, SCL_B, SDA_B pins when OE = 0 V or VCC = 0 V • Internal 10-kΩ pull-up resistor on all SDA and SCL pins are enabled based on respective VCC voltage • 1.08 V to 3.6 V on both A and B ports • VCC Isolation feature: If either VCC input is at GND, both ports are in the high-impedance state (excluding pull-ups) • No power-supply sequencing required: either VCCA or VCCB can be ramped first • Low Ioff of 2.