PCA9555PWR IC-9555 EXPANDER I/O I2C 16B TSSOP24 TI PCA9555PWR is a versatile and high-performance I/O expander that supports a supply voltage range of 2.3V to 5.5V with Push-Pull output type. Designed for efficient operation within a frequency of 400kHz and temperature range of -40°C~+85°C. Compact package type: N/A, mounting style: SMT.Manufactured with compliance to ROHS standards for reliable performance. Packaged as TAPE&REEL for convenience.