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PIC16F1709-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownPIC16F1709-I
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · QFN-20-EP(4x4)
PIC16F1709-I from Microchip Tech, in a QFN-20-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | RA3/MCLR/VPP | input | General-purpose port pin RA3 with interrupt-on-change and weak pull-up, also the MCLR reset input and VPP programming voltage pin. |
| 2 | RC5 | bidirectional | Port pin RC5 with OPA2IN+ op amp input, CCP1 default input, interrupt-on-change and weak pull-up. |
| 3 | RC4 | bidirectional | Port pin RC4 with OPA2IN- op amp input, CLCIN1 default input, interrupt-on-change and weak pull-up. |
| 4 | RC3 | bidirectional | Port pin RC3 with AN7 ADC input, C1IN3-/C2IN3- comparator inputs, OPA2OUT op amp output, CCP2 and CLCIN0 default inputs, interrupt-on-change and weak pull-up. |
| 5 | RC6 | bidirectional | Port pin RC6 with AN8 ADC input, SS default input, interrupt-on-change and weak pull-up. |
| 6 | RC7 | bidirectional | Port pin RC7 with AN9 ADC input, interrupt-on-change and weak pull-up. |
| 7 | RB7 | bidirectional | Port pin RB7 with CK (EUSART clock, bidirectional) default input, interrupt-on-change and weak pull-up. |
| 8 | RB6 | bidirectional | Port pin RB6 with SDI default input and SCL (bidirectional I2C clock), interrupt-on-change and weak pull-up. |
| 9 | RB5 | bidirectional | Port pin RB5 with AN11 ADC input, OPA1IN+ op amp input, RX (EUSART receive) default input, interrupt-on-change and weak pull-up. |
| 10 | RB4 | bidirectional | Port pin RB4 with AN10 ADC input, OPA1IN- op amp input, SCK default input and SDA (bidirectional), interrupt-on-change and weak pull-up. |
| 11 | RC2 | bidirectional | Port pin RC2 with AN6 ADC input, C1IN2-/C2IN2- comparator inputs, OPA1OUT op amp output, interrupt-on-change and weak pull-up. |
| 12 | RC1 | bidirectional | Port pin RC1 with AN5 ADC input, C1IN1-/C2IN1- comparator inputs, CLCIN2 default input, interrupt-on-change and weak pull-up. |
| 13 | RC0 | bidirectional | Port pin RC0 with AN4 ADC input, C2IN+ comparator input, interrupt-on-change and weak pull-up. |
| 14 | RA2 | bidirectional | Port pin RA2 with AN2 ADC input, DAC1OUT2 output, ZCD zero-cross input, T0CKI, COGIN and INT default inputs, interrupt-on-change and weak pull-up. |
| 15 | RA1/ICSPCLK | bidirectional | Port pin RA1 with AN1 ADC input, VREF+ reference input, C1IN0-/C2IN0- comparator inputs, interrupt-on-change, weak pull-up, and ICSP programming clock. |
| 16 | RA0/ICSPDAT | bidirectional | Port pin RA0 with AN0 ADC input, VREF- reference input, C1IN+ comparator input, DAC1OUT output, interrupt-on-change, weak pull-up, and ICSP programming data. |
| 17 | VSS | power_in | Ground reference for the device. |
| 18 | VDD | power_in | Positive supply, 2.3V to 5.5V for PIC16F170X/171X (1.8V to 3.6V for PIC16LF). |
| 19 | RA5 | bidirectional | Port pin RA5 with T1CKI/SOSCI timer input, CLCIN3 default input, external clock input CLKIN and crystal oscillator pin OSC1, interrupt-on-change and weak pull-up. |
| 20 | RA4 | bidirectional | Port pin RA4 with AN3 ADC input, T1G timer gate input, SOSCO, CLKOUT and crystal oscillator pin OSC2, interrupt-on-change and weak pull-up. |
| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | QFN-20-EP(4x4) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 21 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage Range (PIC16F170X/171X) | VDD | 2.3 | 5.5 | V | PIC16F170X/171X (non-LF) | 1 | |
| Operating Temperature, Industrial | TA | -40 | 85 | °C | Industrial | 1 | |
| Clock input frequency | 0 | 32 | MHz | Operating speed, 0-32 MHz clock input | 1 | ||
| Minimum instruction cycle | 125 | ns | Operating speed | 1 | |||
| Internal oscillator accuracy at calibration | -1 | 1 | % | 16 MHz internal oscillator block, at calibration | 2 |
CAD (KiCad official)
- Symbol:
PIC16F1709-I - Footprint:
Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm - 3D model: QFN-20-EP(4x4) (KiCad packages3D, STEP)
- 3D model files:
pic16f1709-i-etched.step/pic16f1709-i-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pic16f1709-i.step/pic16f1709-i.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (18 pp, sha256
91827b6a20ffbd6f, retrieved 2026-10-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).