component
PIC16F18346-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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| pic16f18346-i-etched.glb | 5d ago |
| pic16f18346-i-etched.step | 5d ago |
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| pic16f18346-i-hero.overlay.json | 5d ago |
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PIC16F18346-I
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · VQFN-20-EP(4x4)
PIC16F18346-I from Microchip Tech, in a VQFN-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 | Input-only RA3 port pin that serves as Master Clear (MCLR, with internal weak pull-up) and the high-voltage programming input VPP. |
| 2 | RC5 | bidirectional | General purpose I/O RC5 with ADC channel C5 (ANC5), and default inputs MDCIN2 and CCP1. |
| 3 | RC4 | bidirectional | General purpose I/O RC4 with ADC channel C4 input (ANC4). |
| 4 | RC3 | bidirectional | General purpose I/O RC3 with ADC channel C3, comparator C1/C2 negative inputs (C1IN3-, C2IN3-), and default inputs MDMIN, CCP2 and CLCIN1. |
| 5 | RC6 | bidirectional | General purpose I/O RC6 with ADC channel C6 (ANC6) and default SS1 slave select input. |
| 6 | RC7 | bidirectional | General purpose I/O RC7 with ADC channel C7 input (ANC7). |
| 7 | RB7 | bidirectional | General purpose I/O RB7 with ADC channel B7 (ANB7), default SCK2 SPI clock and SCL2 I2C clock. |
| 8 | RB6 | bidirectional | General purpose I/O RB6 with ADC channel B6 (ANB6), default SCK1 SPI clock and SCL1 I2C clock. |
| 9 | RB5 | bidirectional | General purpose I/O RB5 with ADC channel B5 (ANB5), default SDI2, SDA2, EUSART RX and CLCIN3 inputs; DT synchronous data. |
| 10 | RB4 | bidirectional | General purpose I/O RB4 with ADC channel B4 (ANB4), default SDI1, SDA1 and CLCIN2 inputs. |
| 11 | RC2 | bidirectional | General purpose I/O RC2 with ADC channel C2, comparator C1/C2 negative inputs (C1IN2-, C2IN2-) and MDCIN1 modulator carrier input. |
| 12 | RC1 | bidirectional | General purpose I/O RC1 with ADC channel C1 and comparator C1/C2 negative inputs (C1IN1-, C2IN1-). |
| 13 | RC0 | bidirectional | General purpose I/O RC0 with ADC channel C0 and comparator C2 positive input (C2IN0+). |
| 14 | RA2 | bidirectional | General purpose I/O RA2 with ADC channel A2, VREF- and DAC1REF- inputs, and default T0CKI, CCP3, CWG1IN, CWG2IN, CLCIN0 and INT inputs. |
| 15 | RA1/ICSPCLK | bidirectional | General purpose I/O RA1 with ADC channel A1, VREF+, comparator negative inputs, DAC1REF+, SS2 input, and ICSP/in-circuit debug clock (ICSPCLK/ICDCLK). |
| 16 | RA0/ICSPDAT | bidirectional | General purpose I/O RA0 with ADC channel A0, comparator C1 positive input, DAC1OUT output, and ICSP/in-circuit debug data (ICSPDAT/ICDDAT). |
| 17 | VSS | power_in | Ground reference. |
| 18 | VDD | power_in | Positive supply, 1.8V to 3.6V for PIC16LF18346 and 2.3V to 5.5V for PIC16F18346. |
| 19 | RA5 | bidirectional | General purpose I/O RA5 with ADC channel A5, T1CKI/T3CKI/T5CKI clock inputs, secondary oscillator SOSCIN/SOSCI, external clock CLKIN and crystal OSC1. |
| 20 | RA4 | bidirectional | General purpose I/O RA4 with ADC channel A4, T1G/T3G/T5G gate inputs, CCP4 input, secondary oscillator SOSCO, CLKOUT (FOSC/4) and crystal OSC2. |
| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | VQFN-20-EP(4x4) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 21 |
CAD (KiCad official)
- Symbol:
PIC16F18346-I - Footprint:
Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm - 3D model: VQFN-20-EP(4x4) (KiCad packages3D, STEP)
- 3D model files:
pic16f18346-i-etched.step/pic16f18346-i-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pic16f18346-i.step/pic16f18346-i.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (500 pp, sha256
caaf66beaba7d548, 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).