Product Overview: PCA9543CPW,118

The PCA9543CPW,118 is a high-quality, versatile integrated circuit from NXP Semiconductors, designed to address the needs of complex digital systems. This particular IC is a 2-channel I²C-bus multiplexer with interrupt logic, which allows one of two sets of downstream I²C devices to be selected and connected to the upstream I²C bus.

Key Features

• Two Selectable I²C Channels: Enables two downstream channels to be selected for communication with the upstream channel, increasing the flexibility of the I²C bus.
• Interrupt Function: Comes with an interrupt input for each of the downstream channels, allowing for efficient communication with the host controller when attention is required.
• Low Standby Current: The device features a low standby current which makes it suitable for power-sensitive applications.
• Compatibility: Fully compatible with I²C-bus specification and capable of operating at clock frequencies of up to 400 kHz.
• Active-Low Reset Input: Allows the device to be reset through an external signal, ensuring reliable operation and ease of recovery from fault conditions.

Applications

The PCA9543CPW,118 is particularly useful in applications where multiple I²C devices with the same address need to be connected to a single I²C bus. It is commonly used in:

• Server motherboards
• Networking equipment such as routers and switches
• Industrial control systems
• Consumer electronics
• Telecommunications infrastructure

Package and Quality

This IC comes in a TSSOP-16 (thin shrink small outline package) which is a compact, space-saving package. The PCA9543CPW,118 is also part of NXP's commitment to high-quality and reliability, ensuring long-term performance in a variety of operating conditions.

Ordering and Compliance

The PCA9543CPW,118 is available for order in different quantities, tailored to meet the needs of both small-scale projects and large-volume production. It complies with international standards, including RoHS and Green Product requirements, making it suitable for worldwide use in environmentally sensitive applications.