component
PIC16F18345-I
Public Made by Adomby adom
Microchip Tech MICROCHIP, SSOP-20-208mil. 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
markdownPIC16F18345-I
Microchip Tech · MICROCHIP · SSOP-20-208mil
PIC16F18345-I from Microchip Tech, in a SSOP-20-208mil. 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 | VDD | power_in | Positive supply, 2.3V to 5.5V for PIC16F18345 (1.8V to 3.6V for LF); must always be connected and decoupled with a 0.1 µF capacitor. |
| 2 | RA5 | bidirectional | General purpose I/O with ANA5, T1CKI/T3CKI/T5CKI, SOSCIN/SOSCI, CLKIN and OSC1 crystal/clock functions; TTL/ST input, CMOS output. |
| 3 | RA4 | bidirectional | General purpose I/O with ANA4, T1G/T3G/T5G, SOSCO, CCP4, CLKOUT (FOSC/4) and OSC2 functions; TTL/ST input, CMOS output. |
| 4 | RA3/MCLR/VPP | input | Input-only pin serving as general purpose input, Master Clear reset with internal weak pull-up, or high-voltage programming voltage VPP. |
| 5 | RC5 | bidirectional | General purpose I/O with ANC5, MDCIN2 and CCP1 input functions; TTL/ST input, CMOS output. |
| 6 | RC4 | bidirectional | General purpose I/O with ANC4 analog input; TTL/ST input, CMOS output. |
| 7 | RC3 | bidirectional | General purpose I/O with ANC3, C1IN3-/C2IN3-, MDMIN, CCP2 and CLCIN1 functions; TTL/ST input, CMOS output. |
| 8 | RC6 | bidirectional | General purpose I/O with ANC6 analog input and SS1 slave select input; TTL/ST input, CMOS output. |
| 9 | RC7 | bidirectional | General purpose I/O with ANC7 analog input; TTL/ST input, CMOS output. |
| 10 | RB7 | bidirectional | General purpose I/O with ANB7, SCK2 SPI clock and SCL2 I2C clock functions; TTL/ST input, CMOS output. |
| 11 | RB6 | bidirectional | General purpose I/O with ANB6, SCK1 SPI clock and SCL1 I2C clock functions; TTL/ST input, CMOS output. |
| 12 | RB5 | bidirectional | General purpose I/O with ANB5, SDI2, SDA2 I2C data, RX EUSART input and CLCIN3 functions; TTL/ST input, CMOS output. |
| 13 | RB4 | bidirectional | General purpose I/O with ANB4, SDI1, SDA1 I2C data and CLCIN2 functions; TTL/ST input, CMOS output. |
| 14 | RC2 | bidirectional | General purpose I/O with ANC2, C1IN2-/C2IN2- comparator inputs and MDCIN1 functions; TTL/ST input, CMOS output. |
| 15 | RC1 | bidirectional | General purpose I/O with ANC1 and C1IN1-/C2IN1- comparator negative inputs; TTL/ST input, CMOS output. |
| 16 | RC0 | bidirectional | General purpose I/O with ANC0 and C2IN0+ comparator positive input; TTL/ST input, CMOS output. |
| 17 | RA2 | bidirectional | General purpose I/O with ANA2, VREF-, DAC1REF-, T0CKI, CCP3, CWG1IN/CWG2IN, CLCIN0 and INT functions; TTL/ST input, CMOS output. |
| 18 | RA1 | bidirectional | General purpose I/O with ANA1, VREF+, C1IN0-/C2IN0-, DAC1REF+, SS2, and ICDCLK/ICSPCLK debug/programming clock. |
| 19 | RA0 | bidirectional | General purpose I/O with ANA0, C1IN0+, DAC1OUT, and ICDDAT/ICSPDAT debug/programming data. |
| 20 | VSS | power_in | Ground reference; must always be connected. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SSOP-20-208mil |
| Category | Embedded Processors & Controllers |
| Pins | 20 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | PPS | BODY RxyPPS | 278 |
CAD (KiCad official)
- Symbol:
PIC16F18345-I - Footprint:
Package_SO:SSOP-20_5.3x7.2mm_P0.65mm - 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
- 3D model files:
pic16f18345-i-etched.step/pic16f18345-i-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pic16f18345-i.step/pic16f18345-i.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (495 pp, sha256
b938cfac92c10b2e, 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).