آی سی PCA9555D یک اینترفیس ارتباطی 16 بیتی I2C و SMBUS با اینتراپت است.
I2C GPIO, INTERRUPT, 9555,; IC Function:16bit I/O Port with Interrupt; Supply Voltage Range:2V to 15V; Operating Temperature Range:-40°C to +85°C; 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; 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;
