NXP 16-Channel I/O Expander TSSOP 24, 400kHz Clock Frequency, 2.3-5.5V Supply PCA9555PW,118

The NXP PCA9555PW,118 is a 16-channel I/O expander designed to enhance the functionality of I2C bus or SMBus applications, providing 16 bits of general purpose parallel input or output expansion in a compact 24-pin TSSOP package.

This device supports a clock frequency of 400kHz and operates over a voltage range of 2.3V to a maximum of 5.5V, making it versatile for various low-voltage applications. Its 5 V I/O tolerance and individual input/output configuration allow for flexible interfacing with diverse digital systems.

Featuring low standby current consumption and hot insertion capability, the PCA9555PW,118 is optimized for power-conscious designs and easy integration. The package dimensions include a height of 1.1mm and length of 7.9mm, suitable for surface mounting on printed circuit boards.

The device operates reliably across a wide temperature range from -40°C to +85°C, suitable for industrial and commercial electronic environments. It belongs to the PCA9555 series by NXP and is designed without automotive standards but complies with general semiconductor specifications.

16 general purpose input/output channels provide versatile expansion. 24-pin TSSOP surface mount package for space-saving design. 400kHz clock frequency for efficient communication. Operating voltage from 2.3V to 5.5V ensures broad compatibility.

Low standby current ensures energy-efficient performance. Hot insertion support for ease of system modification. Wide temperature range: -40°C to 85°C for robust industrial use. Compact device height of 1.1mm and length of 7.9mm.

This I/O expander is widely used in electronic components applications including interface ICs and semiconductor systems in industrial, instrumentation, and embedded system environments.

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