PCA9555 expander equivalent, remote 16-bit i2c and smbus i/o expander.
*1 Low Standby-Current Consumption of 1 μA Max
* I2C to Parallel Port Expander
* Open-Drain Active-Low Interrupt Output
* 5-V Tolerant I/O Ports
* Com.
* Servers
* Routers (Telecom Switching Equipment)
* Personal Computers
* Personal Electronics
* Indu.
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data .
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