Datasheet Texas Instruments TCA6408AQPWRQ1 — 数据表

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SCPS234 – SEPTEMBER 2016 TCA6408A-Q1 Low-Voltage 8-Bit I2C and SMBus I/O Expander With Interrupt Output
1 Features 1 2 Applications 2 I C to Parallel Port Expander
Operating Power-Supply Voltage Range of 1.65 V
to 3.6 V
Allows Bidirectional Voltage-Level Translation and
GPIO Expansion Between 1.8-, 2.5-, and 3.3-V
I2C Bus and P-Ports
Low Standby Current Consumption
400-kHz Fast I2C Bus
Hardware Address Pin Allows Two TCA6408A-Q1
Devices on the Same I2C/SMBus Bus
Active-Low Reset (RESET) Input
Open-Drain Active-Low Interrupt (INT) Output
Input and Output Configuration Register
Polarity Inversion Register
Internal Power-On Reset
Power Up With All Channels Configured as Inputs …