PIC16F688-I/P 8-bit Flash Microcontroller (14-pin PDIP)
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Prices updated: 12 Oct 2026
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About this product
The PIC16F688-I/P is a low pin-count, 14-pin Flash microcontroller from Microchip built on the mid-range x14 architecture. It operates from 2.0 V to 5.5 V and includes on-board EEPROM data memory and nanoWatt technology for low-power designs. It offers up to 8 channels of 10-bit ADC, an analog comparator with programmable voltage reference, and an EUSART for serial communication.
Specifications
- Architecture
- Mid-range x14 PIC core
- Operating voltage
- 2.0 V to 5.5 V
- ADC
- Up to 8 channels, 10-bit
- Comparator
- Analog, with programmable voltage reference
- Serial peripheral
- EUSART (RS232/RS485, LIN protocols)
- Program memory
- 4096 words Flash
- Package
- 14-pin PDIP (/P)
Frequently asked questions
Can the PIC16F688 talk directly on an RS485 bus?
The EUSART supports RS485 protocol handling, but the physical bus needs an external RS485 transceiver IC (such as the MAX485 or an equivalent) to convert the signal levels.
Can it run from a 3.3 V supply?
Yes, the listed operating range is 2.0 V to 5.5 V, so a 3.3 V supply is within the specified range. Confirm the clock speed limits in the datasheet for your supply voltage.
