PIC16F721-E/ML

Microcontrollers Overview

The PIC16F721-E/ML is an 8-bit CMOS Flash microcontroller from the PIC16(L)F72x family, manufactured by Microchip Technology. It features a high-performance RISC CPU with up to 4K x 14 words of Flash program memory and 256 bytes of data RAM. The device operates at clock frequencies up to 16 MHz and supports a wide voltage range of 1.8V to 5.5V. It includes a precision internal oscillator, multiple timers, an 8-bit A/D converter with 12 channels, and communication interfaces such as SSP (SPI/I2C) and AUSART.

Microcontrollers Feature Summary

• Features a high-performance RISC CPU with only 35 instructions and single-cycle execution for most operations.
• Includes a precision internal oscillator factory calibrated to ±1% with software tunability and selectable dividers.
• Provides low-power operation with standby current as low as 50 nA at 1.8V and power-saving Sleep mode.
• Integrates peripheral modules including CCP, enhanced Timer1, and addressable universal synchronous/asynchronous receiver/transmitter.

Microcontrollers Applications

• Industrial control systems requiring robust code protection and interrupt capabilities.
• Battery-powered devices utilizing extreme low-power management and sleep modes.
• Communication applications using SSP and AUSART interfaces.
• Sensor interfacing via the 12-channel 8-bit A/D converter.

Microcontrollers Procurement Notes

Verify the specific suffix 'E' indicates the extended temperature range (-40°C to +125°C) and 'ML' denotes the QFN-20 package. Confirm that the datasheet DS41402A applies to this exact part number. Ensure compatibility with your operating voltage requirements within the 1.8V to 5.5V range. Check for any recent updates or obsolescence notices from Microchip Technology before finalizing procurement.

Microcontrollers Selection Notes

Select this component if your design requires a balance of processing speed and low power consumption. The PIC16F721 offers sufficient memory for moderate firmware complexity and includes essential analog peripherals like the A/D converter. Consider the QFN-20 package for space-constrained PCB layouts. Verify that the 16 MHz maximum clock frequency meets your timing requirements.

Microcontrollers Part Context

This microcontroller belongs to the PIC16(L)F72x family, which shares architectural similarities but varies in memory size and pin count. The PIC16F721 specifically provides 4K words of Flash and 256 bytes of RAM, distinguishing it from the smaller PIC16F720 variant. It is designed for applications needing reliable performance across industrial and extended temperature ranges.

Microcontrollers Replacement Considerations

The PIC16F720 is a compatible alternative with reduced memory (2K words Flash, 128 bytes RAM). For lower voltage applications, consider the PIC16LF721, which operates between 1.8V and 3.6V. Ensure pinout and peripheral configurations match your existing design when substituting.