TCA9534A - Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander
Description
The TCA9534A is a 16-pin device that provides 8 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol.
Features
1 Low Standby Current Consumption.
I2C to Parallel Port Expander.
Open-Drain Active-Low Interrupt Output.
Operating Power-Supply Voltage Range of 1.65 V
to 5.5 V.
5-V Tolerant I/O Ports.
400-kHz Fast I2C Bus.
Three Hardware Address Pins Allow up to Eight
Devices on the I2C/SMBus.
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TCA9534A
SCPS198C – SEPTEMBER 2014 – REVISED FEBRUARY 2017
TCA9534A Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander With Interrupt Output and Configuration Registers
1 Features
•1 Low Standby Current Consumption • I2C to Parallel Port Expander • Open-Drain Active-Low Interrupt Output • Operating Power-Supply Voltage Range of 1.65 V
to 5.
TCA9534A Datasheet
