This data sheet describes the features of a 14-pin flash-based, 8-bit CMOS microcontroller with nanoWatt technology.
The PIC16F688 is a 14‑pin flash‑based 8‑bit CMOS microcontroller featuring nanoWatt low‑power technology. It is offered in PDIP, SOIC, TSSOP and QFN packages and includes a high‑performance RISC CPU, 10‑bit ADC, multiple timers, comparators, and an enhanced USART.
The device operates from 2.0 V to 5.5 V, supports up to 20 MHz clock speeds, and provides extensive power‑saving modes such as standby (50 nA) and sleep. It offers 100 k write‑cycle flash endurance, 1 M write‑cycle EEPROM endurance, and over 40‑year data retention.
| Package options | 14‑pin PDIP, SOIC, TSSOP and 16‑pin QFN |
|---|---|
| Operating voltage range | 2.0 V – 5.5 V |
| Maximum clock frequency | 20 MHz |
| Instruction cycle time | 200 ns |
| Standby current | 50 nA @ 2.0 V (typical) |
| Flash write endurance | 100 k write cycles |
| EEPROM write endurance | 1 M write cycles |
| Data retention | > 40 years |
| ADC resolution | 10‑bit, 8 channels |
The device operates from 2.0 V to 5.5 V.
Typical standby current is 50 nA at 2.0 V.
The flash memory can be written up to 100,000 times.
It provides a 10‑bit ADC with eight input channels.