Datasheet Summary
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16-bit I2C and SMBus I/O Port with Interrupt Features
I 400kHz I2C bus patible- I 2.3V to 5.5V operation I Low stand-by current I 5V tolerant I/Os I 16 I/O pins that default to inputs at power-up I High drive capability I Individual I/O configuration I Polarity inversion register I Active low interrupt output I Internal power-on reset I No glitch on power-up I Noise filter on SDA/SCL inputs I Cascadable up to 8 devices I Industrial temperature range I RoHS-pliant 24-lead SOIC and TSSOP, and
DESCRIPTION
The CAT9555 is a CMOS device that provides 16-bit parallel input/output port expansion for I2C and SMBus patible applications. These I/O expanders...
