PIC16F627AT-I/SO

Microcontrollers Overview

The PIC16F627AT-I/SO is an 8-bit Flash-based microcontroller from the PIC16F627A family, manufactured by Microchip Technology. It features a high-performance RISC CPU with operating speeds up to 20 MHz and utilizes a Harvard architecture for efficient instruction execution. The device includes 1024 words of Flash program memory, 224 bytes of RAM, and 128 bytes of EEPROM data memory. It operates within a voltage range of 2.0V to 5.5V and supports industrial temperature ranges. The component is housed in an 18-pin SOIC package.

Microcontrollers Feature Summary

• Features a precision internal 4 MHz oscillator factory calibrated to ±1% alongside low-power options.
• Includes dual-speed internal oscillator allowing runtime selection between 4 MHz and 48 kHz.
• Provides programmable weak pull-ups on PORTB and multiplexed Master Clear/Input pin functionality.
• Integrates two analog comparators with a programmable on-chip voltage reference module.

Microcontrollers Applications

• Battery chargers
• Low power remote sensors
• Applications requiring space limitations due to small footprint packages

Microcontrollers Procurement Notes

Verify that the ordering suffix 'I' corresponds to the Industrial temperature range and 'SO' indicates the 18-pin SOIC package. Confirm the 'T' suffix denotes tape and reel packaging if required for automated assembly. Ensure the specific revision matches the design requirements as datasheet updates may occur.

Microcontrollers Selection Notes

Select this component when a cost-effective, low-power 8-bit solution is needed with integrated Flash memory for code modification. It is suitable for designs requiring multiple timer modules, USART communication, and analog comparator capabilities without external components. Consider the wide operating voltage range for battery-powered applications.

Microcontrollers Part Context

This part belongs to the PIC16F627A/628A/648A family of 18-pin Flash-based microcontrollers. It shares architectural similarities with the PIC16F628A and PIC16F648A but differs in memory sizes. The family is designed for low-cost, high-performance embedded control applications using nanoWatt technology.

Microcontrollers Replacement Considerations

PIC16F627A-I/SO

Microcontrollers FAQ

What oscillator configurations are supported by the PIC16F627AT-I/SO?

The device supports eight oscillator configurations, including LP, XT, HS, RC, EC, INTOSC (internal oscillator block), and external clock modes.

How does the Watchdog Timer function in this microcontroller?

It provides protection against software lock-up using an independent on-chip RC oscillator, ensuring reliable operation even if the main clock fails.