PIC16C65A-04I/L

Updated: 2026-09-18

Overview

The PIC16C65A-04I/L is an 8-bit microcontroller developed by Microchip Technology, designed for embedded control applications. It belongs to the PIC16Cxx family, known for its cost-effectiveness and ease of integration. With 4KB of program memory and 134 bytes of RAM, it suits applications requiring moderate computational power and real-time control. This microcontroller operates at 4MHz and uses CMOS technology, ensuring low power consumption while maintaining robust performance. It is widely used in industrial automation, consumer electronics, and automotive systems due to its reliability and versatility.

Structure and Working Principle

The PIC16C65A-04I/L features a Harvard architecture, separating program and data memory for efficient operation. Its core includes an 8-bit ALU (Arithmetic Logic Unit), a stack for subroutine handling, and multiple peripherals like timers and I/O ports. The microcontroller executes instructions in a single cycle (except branches), enhancing speed. It supports 33 instructions, making programming straightforward. External components like oscillators and voltage regulators are typically required to ensure stable operation.

Key Features

The PIC16C65A-04I/L offers several standout features, including 4KB of EPROM program memory, which allows for flexible firmware updates. Its 134 bytes of RAM provide sufficient storage for real-time data processing. Low power consumption is a critical advantage, making it suitable for battery-operated devices. The microcontroller also includes built-in timers, interrupt capabilities, and multiple I/O pins, enabling versatile interfacing with sensors, actuators, and other peripherals.

Application Areas

This microcontroller is commonly used in industrial automation for tasks like motor control, sensor interfacing, and process monitoring. Its reliability and low power consumption make it ideal for consumer electronics, such as remote controls and small appliances. In the automotive sector, the PIC16C65A-04I/L is employed in systems like dashboard controls and lighting modules. Its robustness and ease of integration also make it a popular choice for hobbyists and educational projects.

Maintenance and Precautions

To ensure longevity, the PIC16C65A-04I/L should be handled with ESD (electrostatic discharge) precautions, such as using grounded wrist straps. Proper voltage regulation is critical, as deviations from the specified range can damage the device. Regular firmware updates and debugging are recommended to maintain optimal performance. Always refer to the manufacturer’s datasheet for detailed operational guidelines and pin configurations.

B2B Procurement Guide

When procuring the PIC16C65A-04I/L in bulk, verify the supplier’s authenticity to avoid counterfeit products. Microchip Technology or authorized distributors are reliable sources. Consider lead times and minimum order quantities, as this microcontroller may have limited availability due to its age. Pricing varies based on volume, with discounts typically available for large orders. Ensure compatibility with your existing systems and check for long-term supply agreements if needed.