PIC16C74A-20E/PT

Microcontrollers Overview

The PIC16C74A-20E/PT is an 8-bit microcontroller from the PIC16C7xx family, manufactured by Microchip Technology. It features a RISC architecture with OTPROM program memory and operates at a maximum clock frequency of 20 MHz. The device includes an on-chip analog-to-digital converter (ADC), pulse-width modulation (PWM) module, and multiple timer/counters. Communication interfaces include USART, SPI, and I²C. It supports low-voltage operation down to 2.0V and is housed in a TQFP package.

Microcontrollers Feature Summary

• Integrated 8-channel 8-bit ADC for analog signal acquisition
• Hardware PWM module for motor control and power regulation applications
• Multiple communication peripherals including USART, SPI, and I²C
• Supports internal and external oscillator configurations

Microcontrollers Applications

• Digital signal processing systems requiring low-bandwidth filtering
• DTMF tone generation circuits
• PID compensator implementations for control systems
• Battery-powered devices utilizing low-voltage operation

Microcontrollers Procurement Notes

Verify that the specific ordering suffix matches the required package type and temperature range. Confirm compatibility with existing development tools such as MPLAB ICE 2000 if emulation is planned. Ensure target board voltage levels align with the device's operating specifications before integration.

Microcontrollers Selection Notes

Select this component when an 8-bit MCU with integrated ADC and PWM is required for cost-sensitive designs. Consider the OTPROM limitation for production volumes where reprogramming is not needed. Evaluate the 20 MHz speed against application timing requirements and available oscillator options.

Microcontrollers Part Context

This part belongs to the PIC16C7xx series of 8-bit CMOS flash/OTP microcontrollers. It shares architectural similarities with other members like the PIC16C74 and PIC16C74B, offering comparable peripheral sets but potentially differing in memory size or package availability. It is designed for general-purpose embedded control tasks.

Microcontrollers Replacement Considerations

PIC16C74B-20I/PT

Microcontrollers FAQ

Does the PIC16C74A support external clocking?

Yes, the device supports both internal and external clock sources, allowing flexibility in oscillator configuration.

What is the minimum operating voltage?

The device supports low-voltage operation down to 2.0V, suitable for battery-powered applications.