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PCA9673D,112

PCA9673D,112 Description

The PCA9673D,112 is a 16-bit I/O expander designed for general-purpose applications requiring I/O expansion. Manufactured by NXP Semiconductors, this device is part of the PCA96 family and is known for its robust performance and versatility. It features a clock frequency of 1 MHz and operates within a supply voltage range of 2.3V to 5.5V, making it suitable for a wide range of electronic systems.

The PCA9673D,112 is equipped with 16 I/O lines, each capable of sourcing 100µA and sinking 25mA of current. This allows for efficient control and interfacing with various peripheral devices. The device supports the I2C interface, providing a convenient and reliable communication protocol for connecting to microcontrollers and other system components.

PCA9673D,112 Features

• 16 I/O Lines: Provides extensive control and interfacing capabilities.
• 1 MHz Clock Frequency: Ensures fast and efficient operation.
• Supply Voltage Range: 2.3V to 5.5V, offering flexibility in power supply requirements.
• Current Handling: Each I/O line can source 100µA and sink 25mA, suitable for driving LEDs and other low-current devices.
• Interrupt Output: Features an interrupt output for efficient communication and control.
• Power-On Reset (POR): Ensures a reliable and stable startup condition.
• Surface Mount Packaging: Ideal for compact and high-density PCB designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for various manufacturing environments.

PCA9673D,112 Applications

The PCA9673D,112 is ideal for applications requiring I/O expansion and control. Some specific use cases include:

• Consumer Electronics: Ideal for expanding I/O capabilities in devices such as smartphones, tablets, and home automation systems.
• Industrial Control: Suitable for controlling and interfacing with sensors, actuators, and other industrial peripherals.
• Automotive Systems: Can be used in automotive applications for expanding I/O control and interfacing with various vehicle systems.
• Medical Devices: Provides reliable I/O expansion for medical equipment, ensuring precise control and monitoring.

Conclusion of PCA9673D,112

The PCA9673D,112 is a versatile and reliable I/O expander that offers significant advantages over similar models. Its 16 I/O lines, combined with a robust clock frequency and flexible supply voltage range, make it suitable for a wide range of applications. The inclusion of an interrupt output and power-on reset feature further enhances its reliability and ease of use. Despite being marked as obsolete, the PCA9673D,112 remains a valuable component for designers seeking efficient I/O expansion and control in their electronic systems.