TCAL6408 Datasheet PDF (SMBus I/O Expander) | Download Texas Instruments TCAL6408

TCAL6408 - SMBus I/O Expander

Datasheet Summary

Description

The TCAL6408 device provides general purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol.

The device can operate with a power supply voltage ranging from 1.08V to 3.6V on the I2C bus side (VCCI) and a power supply voltage ranging from 1.08V to 3.

Features

Operating power-supply voltage range of 1.08V to 3.6V.
Allows bidirectional voltage-level translation and GPIO expansion between 1.2V, 1.8V, 2.5V, and 3.3V I2C bus and p-ports.
Low standby current consumption of 1µA typical at 1.8V.
1MHz fast mode plus I2C bus.
Hardware address pin allows two devices on the same I2C, SMBus bus.
Active-low reset input (RESET ).
Open-drain active-low interrupt output (INT ).
Input or output c.

Datasheet Details

Part number	TCAL6408
Manufacturer	Texas Instruments
File Size	2.22 MB
Description	SMBus I/O Expander
Datasheet	TCAL6408 Datasheet
Additional preview pages of the TCAL6408 datasheet.

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Full PDF Text Transcription

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TCAL6408 SCPS277C – NOVEMBER 2022 – REVISED JANUARY 2025 TCAL6408 8-Bit Translating I2C-Bus, SMBus I/O Expander With Interrupt Output, Reset, and Agile I/O Configuration Registers 1 Features • Operating power-supply voltage range of 1.08V to 3.6V • Allows bidirectional voltage-level translation and GPIO expansion between 1.2V, 1.8V, 2.5V, and 3.3V I2C bus and p-ports • Low standby current consumption of 1µA typical at 1.

Published: Mar 10, 2025 |