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PIC16F1709-I

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16F1709-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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16f1709-i.step / pic16f1709-i.glb are 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, primary claude-sonnet-5-5 (text), consensus claude-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).

Datasheet PDF