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PIC16F18345-I

Public Made by Adom

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Microchip Tech MICROCHIP, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16F18345-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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16f18345-i.step / pic16f18345-i.glb are 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, 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