Product Overview: PCA9534D,118

The PCA9534D,118 is a sophisticated 8-bit I/O expander from the renowned semiconductor manufacturer NXP. This device provides the perfect solution for microcontrollers when additional I/Os are needed, especially in situations where board space is at a premium. Designed with versatility in mind, the PCA9534D,118 operates under the control of an I2C-bus/SMBus, which allows for a seamless and efficient integration with most microcontroller architectures.

Key Features

• I2C Interface: The PCA9534D,118 communicates via an I2C-bus interface, supporting 100kHz, 400kHz, and 1MHz clock frequencies, making it suitable for various system speed requirements.
• 8-bit I/O Ports: It offers eight programmable I/O pins which can be used as either inputs or outputs, providing the flexibility needed for complex control tasks.
• Low Standby Current: Ideal for power-sensitive applications, this I/O expander boasts a very low standby current, contributing to overall power efficiency.
• Interrupt Output: An interrupt output is triggered by input state changes, allowing for immediate attention by the host microcontroller, thereby reducing the need for continuous polling.
• Configurable Polarity: Input port polarity is configurable, which means that the device can adapt to the logic levels that suit the application best.

Applications

The PCA9534D,118 is designed to be a versatile component in a wide array of applications. It is commonly used in:

• Servers
• Personal electronics
• Industrial control systems
• Medical equipment
• Automotive applications

Technical Specifications

The PCA9534D,118 is housed in a compact SO16 package and operates over an extended temperature range from -40°C to +85°C. It is also compliant with RoHS and is lead-free, making it an environmentally friendly choice for electronic designs.

Ordering and Packaging

Each PCA9534D,118 comes in a tape and reel packaging, facilitating easy handling and integration into manufacturing processes. The product is available for order under the standard NXP part number PCA9534D,118, which helps ensure you receive the genuine component for your electronic designs.