component
PIC16F18855T-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "pic16f18855t-i",
"title": "PIC16F18855T-I",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"pic16f18855t-i",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PIC16F18855T-I",
"manufacturer": "Microchip Tech",
"package": "SOIC-28-300mil",
"pin_count": 28,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/PIC16%28L%29F18855-75-Data-Sheet-40001802H.pdf",
"parts": {
"symbol": "pic16f18855t-i.kicad_sym",
"footprint": "pic16f18855t-i.kicad_mod",
"model_3d": "pic16f18855t-i-hero.glb",
"model_3d_plain": "pic16f18855t-i-etched.glb",
"model_3d_step": "pic16f18855t-i-etched.step",
"model_3d_step_plain": "pic16f18855t-i.step",
"lbr": "pic16f18855t-i.lbr"
},
"distributor_links": {
"lcsc": "C629630"
},
"distributor_check": {
"checked_at": "2026-10-25T20:15:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VPP/MCLR/RE3",
"type": "input",
"description": "Master clear input with internal weak pull-up when MCLR is enabled; RE3 is general purpose input only when MCLR is disabled by the Configuration bit, and VPP is the ICSP high-voltage programming mode entry input."
},
{
"number": "2",
"name": "RA0",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A0 input, comparator negative input, CLC source input and interrupt-on-change input."
},
{
"number": "3",
"name": "RA1",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A1 input, comparator negative input, CLC source input and interrupt-on-change input."
},
{
"number": "4",
"name": "RA2",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A2 input, comparator positive input, external ADC/DAC negative reference VREF-, DAC1OUT1 output and interrupt-on-change input."
},
{
"number": "5",
"name": "RA3",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A3 input, comparator positive input, external ADC/DAC positive reference VREF+, modular carrier input MDCARL and interrupt-on-change input."
},
{
"number": "6",
"name": "RA4",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A4 input, modular carrier input MDCARH, Timer0 clock input T0CKI, CCP5 capture/compare/PWM and interrupt-on-change input."
},
{
"number": "7",
"name": "RA5",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A5 input, MSSP1 SPI client select input SS1, modulator source input MDSRC and interrupt-on-change input."
},
{
"number": "8",
"name": "VSS",
"type": "power_in",
"description": "Ground reference; all VSS and VDD pins must be connected at the circuit board level, since floating one may degrade electrical performance or cause non-functionality."
},
{
"number": "9",
"name": "RA7",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A7 input, OSC1 crystal/resonator driver input (LP, XT, HS), external digital clock input CLKIN and interrupt-on-change input."
},
{
"number": "10",
"name": "RA6",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel A6 input, OSC2 crystal/resonator driver output (LP, XT, HS), FOSC/4 CLKOUT output in non-crystal modes and interrupt-on-change input."
},
{
"number": "11",
"name": "RC0",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C0 input, Timer1/Timer3 clock and Timer3 gate inputs, SMT1 window input, interrupt-on-change input and 32.768 kHz secondary oscillator driver output SOSCO."
},
{
"number": "12",
"name": "RC1",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C1 input, SMT1 signal input, CCP2 default capture input, interrupt-on-change input and 32.768 kHz secondary oscillator driver input SOSCI."
},
{
"number": "13",
"name": "RC2",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C2 input, Timer5 external clock input T5CKI, CCP1 default capture input and interrupt-on-change input."
},
{
"number": "14",
"name": "RC3",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C3 input, MSSP1 I2C clock SCL1 (I2C/SMBus levels), SPI clock SCK1, Timer2 external input T2IN and interrupt-on-change input."
},
{
"number": "15",
"name": "RC4",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C4 input, MSSP1 I2C serial data SDA1 (I2C/SMBus levels), SPI data input SDI1 and interrupt-on-change input."
},
{
"number": "16",
"name": "RC5",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C5 input, Timer4 external input T4IN and interrupt-on-change input."
},
{
"number": "17",
"name": "RC6",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C6 input, EUSART synchronous mode clock CK input/output and interrupt-on-change input."
},
{
"number": "18",
"name": "RC7",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel C7 input, EUSART asynchronous receiver input RX, EUSART synchronous data DT input/output and interrupt-on-change input."
},
{
"number": "19",
"name": "VSS",
"type": "power_in",
"description": "Ground reference; all VSS and VDD pins must be connected at the circuit board level, since floating one may degrade electrical performance or cause non-functionality."
},
{
"number": "20",
"name": "VDD",
"type": "power_in",
"description": "Positive supply voltage input; all VDD and VSS pins must be connected at the circuit board level."
},
{
"number": "21",
"name": "RB0",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B0 input, comparator C2IN1+ input, zero-cross detect input ZCD, external interrupt INT input, CCP4 default capture input and interrupt-on-change input."
},
{
"number": "22",
"name": "RB1",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B1 input, comparator negative inputs C1IN3-/C2IN3-, MSSP2 I2C clock SCL2 (I2C/SMBus levels), SPI clock SCK2, CWG2 input CWG2IN and interrupt-on-change input."
},
{
"number": "23",
"name": "RB2",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B2 input, MSSP2 I2C serial data SDA2 (I2C/SMBus levels), SPI data input SDI2, CWG3 input CWG3IN and interrupt-on-change input."
},
{
"number": "24",
"name": "RB3",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B3 input, comparator negative inputs C1IN2-/C2IN2- and interrupt-on-change input."
},
{
"number": "25",
"name": "RB4",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B4 input, ADC auto-conversion trigger ADCACT, Timer5 gate input T5G, SMT2 window input SMTWIN2 and interrupt-on-change input."
},
{
"number": "26",
"name": "RB5",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B5 input, Timer1 gate input T1G, SMT2 signal input SMTSIG2, CCP3 default capture input and interrupt-on-change input."
},
{
"number": "27",
"name": "RB6",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B6 input, CLC source input CLCIN2, interrupt-on-change input and ICSP clock input ICSPCLK."
},
{
"number": "28",
"name": "RB7",
"type": "bidirectional",
"description": "General purpose I/O also serving as ADC channel B7 input, DAC1OUT2 output, Timer6 external clock input T6IN, CLC source input CLCIN3, interrupt-on-change input and ICSP data input/output ICSPDAT."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The garbled page-4 pin diagram text lists a stray 'VSS 21' next to the right-side numbers. I assigne; Text extraction scrambled the order of RC4-RC7 (shown as 'RC5 RC4 RC7 RC6'). I assigned RC4=15, RC5=; The pin diagram was not fully legible in the extracted text. VPP/MCLR/RE3 at pin 1 and VSS at pins 8",
"16/28 pins cited to the wrong page (name found elsewhere): ['6:RA4@p19', '9:RA7@p20', '11:RC0@p22', '12:RC1@p22']"
],
"pages_sent": 91,
"cost_usd": 0.4091,
"at": "2026-10-25T20:14:50"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/PIC16%28L%29F18855-75-Data-Sheet-40001802H.pdf",
"pages": 673,
"sha256": "d61c614d646362d9",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
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"checked": "2026-10-25",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pic16f18855t-i-etched.step",
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},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "SOIC-28-300mil",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "28"
},
"appearance": {
"housing": {
"quote": "body RxyPPS",
"page": 395,
"doc": "ds.pdf",
"material": "PPS"
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"version": 1,
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"name": "Voltage on VDD pin with respect to VSS (PIC16F18855/75)",
"symbol": "VDD",
"kind": "absolute_maximum",
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"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "with respect to VSS",
"source_page": 591,
"source": "datasheet"
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{
"name": "Voltage on MCLR pin with respect to VSS",
"symbol": "",
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{
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{
"name": "Maximum current on VSS pin",
"symbol": "",
"kind": "absolute_maximum",
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"min": null,
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"max": 350,
"conditions": "-40°C ≤ TA ≤ +85°C",
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{
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{
"name": "Maximum current on VDD pin for 28-Pin devices",
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{
"name": "Maximum current on any standard I/O pin",
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{
"name": "Clamp current, IK (VPIN < 0 or VPIN > VDD)",
"symbol": "IK",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 20,
"conditions": "VPIN < 0 or VPIN > VDD",
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{
"name": "Total power dissipation",
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{
"name": "VDD operating supply voltage (PIC16F18855/75)",
"symbol": "VDDMIN",
"kind": "recommended_operating",
"unit": "V",
"min": 2.3,
"typ": null,
"max": null,
"conditions": "Fosc ≤ 16 MHz",
"source_page": 592,
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{
"name": "VDD operating supply voltage (PIC16F18855/75)",
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{
"name": "VDD operating supply voltage maximum",
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{
"name": "RAM Data Retention voltage",
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"max": null,
"conditions": "Device in Sleep mode",
"source_page": 594,
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{
"name": "VDD Rise Rate to ensure internal Power-on Reset signal",
"symbol": "SVDD",
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"min": 0.05,
"typ": null,
"max": null,
"conditions": "BOR or LPBOR disabled",
"source_page": 594,
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{
"name": "Supply current, XT = 4 MHz",
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{
"name": "Supply current, HFINTOSC = 16 MHz",
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{
"name": "Supply current, HFINTOSC = 32 MHz",
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{
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{
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