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TCA9539-Q1
SCPS254C – JANUARY 2014 – REVISED DECEMBER 2018
TCA9539-Q1 Low
Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output, Reset Pin, and Configuration Registers
1 Features
•1 Qualified for Automotive Applications • I2C to Parallel Port Expander • Open-Drain Active-Low Interrupt Output • Active-Low Reset Input • 5-V Tolerant Input and Output Ports • Compatible With Most Microcontrollers • 400-kHz Fast I2C Bus • Polarity Inversion Register • Internal Power-on-Reset • No Glitch on Power Up • Address by Two Hardware Address Pins for Use
of up to Four Devices • Latched Outputs for Di...