TCA6408A

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 Open-Drain Active-Low Interrupt (INT) Output Input/Output Configuration Register Polarity Inversion Register Internal Power-On Reset Power Up With All Channels Configured as Inputs No Glitch On Power Up Noise Filter on SCL/SDA Inputs Latched Outputs With High-Current Drive Maximum Capability for Directly Driving LEDs Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the SCL and SDA Inputs ESD Protection Exceeds JESD 22 – 2000-V Human Body Model (A114-A) – 1000-V Charged-Device Model (C101) 2 Applications Servers Routers (Telecom Switching Equipment) Personal Computers Personal Electronics (Gaming Consoles) Industrial Automation Products With GPIO-Limited Proc...