TCA9554 expander equivalent, low voltage 8-bit i2c and smbus low-power i/o expander.
*1 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 Por.
* Servers
* Routers (Telecom Switching Equipment)
* Personal Computers
* Personal Electronics (for examp.
The TCA9554 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. The device can operate with a power supply voltage ranging from 1.65 V to 5.5.
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