Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TCA6408A SCPS192D – APRIL 2009 – REVISED JULY 2015 TCA6408A Low-Voltage 8-Bit I2C and SMBus I/O Expander With Interrupt Output, Reset, and Configuration Registers 1 Features •1 I2C to Parallel Port Expander • Operating Power-Supply Voltage Range of 1.
65 V to 5.
5 V • Allows Bidirectional Voltage-Level Translation and GPIO Expansion Between 1.
8-V, 2.
5-V, 3.
3-V, and 5-V I2C Bus and P-Ports • Low Standby Current Consumption of 1 μA • 5-V Tolerant I/O Ports • 400-kHz Fast I2C Bus • Hardware Address Pin Allows Two TCA6408A Devices on the Same I2C/SMBus Bus • Active-Low Reset (RESET) Input •...

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