آی سی PCA9555D یک اینترفیس ارتباطی 16 بیتی I2C و SMBUS با اینتراپت است.

I2C GPIO, INTERRUPT, 9555, SOIC24;
IC Function:16bit I/O Port with Interrupt;
Supply Voltage Range:2V to 15V;
Operating Temperature Range:-40°C to +85°C;
Digital IC Case Style:SOIC;
No. of Pins:24;
Base Number:9555;
Communication Function:I/O Expander;
Control Interface:I2C;
IC Generic Number:9555;
Logic Function Number:9555;
No. of I/O's:32;
Operating Temperature Max:85°C;
Operating Temperature Min:-40°C;
Package / Case:SOIC;
Supply Current:135µA;
Supply Voltage DC Max:5.5V;
Supply Voltage DC Min:2.3V;
Supply Voltage Max:5.5V;
Supply Voltage Min:2.3V;
Termination Type:SMD