The PCA9698BS,118 is a high-performance, 40-bit I/O port expander from NXP Semiconductors. This advanced integrated circuit (IC) is designed to provide a seamless expansion of I/O capabilities for microcontrollers and microprocessors within a wide range of applications. It operates as an interface between the high-speed I2C-bus and a set of input/output ports.

Key Features

• Expansive I/O Ports: The PCA9698BS,118 features 40 programmable I/O ports, which can be used as inputs or outputs. This allows for significant expansion of I/O capabilities without the need for additional microcontrollers.
• I2C Interface: It incorporates a fast I2C-bus interface with speeds up to 1 MHz, enabling quick communication with the host controller.
• High Output Drive Capability: This device can sink a high current of up to 25 mA and source up to 10 mA, making it suitable for driving LEDs or other high-drive components.
• Polarity Inversion: The input port polarity is programmable, allowing users to invert the polarity if necessary, providing greater flexibility in interfacing with different peripherals.
• Power-up Configuration: It offers a power-up configuration that is software programmable, ensuring that the I/Os are in a known state upon power-up.
• Low Standby Current: Designed for power-sensitive applications, it features a low standby current which is ideal for battery-operated devices.

Applications

The PCA9698BS,118 is well-suited for a variety of applications, including but not limited to:

• Server motherboards
• Industrial control systems
• Home automation systems
• LED displays and signage

Package and Quality

This device is offered in a space-saving HVQFN56 package, ensuring a compact footprint for designs where board space is at a premium. NXP's commitment to quality means that the PCA9698BS,118 is manufactured to the highest standards, ensuring reliable performance in even the most demanding environments.