component
PIC16LF18344-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), UQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "pic16lf18344-i",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), UQFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"pic16lf18344-i",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"pic16lf18344-i.kicad_sym",
"pic16lf18344-i.kicad_mod",
"pic16lf18344-i.glb",
"pic16lf18344-i.step",
"pic16lf18344-i.lbr",
"docs/hero.png",
"docs/pic16lf18344-i-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"pic16lf18344-i-hero.glb",
"pic16lf18344-i-hero.overlay.json",
"pic16lf18344-i-etched.glb"
],
"component": {
"mpn": "PIC16LF18344-I",
"manufacturer": "Microchip Tech",
"package": "UQFN-20-EP(4x4)",
"pin_count": 21,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6eda0943fc06dbd1f97fff5407167ba5.pdf",
"parts": {
"symbol": "pic16lf18344-i.kicad_sym",
"footprint": "pic16lf18344-i.kicad_mod",
"model_3d": "pic16lf18344-i-hero.glb",
"model_3d_plain": "pic16lf18344-i-etched.glb",
"model_3d_step": "pic16lf18344-i-etched.step",
"model_3d_step_plain": "pic16lf18344-i.step",
"lbr": "pic16lf18344-i.lbr"
},
"distributor_links": {
"lcsc": "C638117"
},
"distributor_check": {
"checked_at": "2026-10-23T18:16:13Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 886 calls left today"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "RA3/MCLR/VPP",
"type": "input",
"description": "Input-only port pin RA3 that doubles as Master Clear reset input with internal weak pull-up and as the high-voltage programming input VPP."
},
{
"number": "2",
"name": "RC5",
"type": "bidirectional",
"description": "General purpose I/O RC5 with ANC5 analog input, MDCIN2 and CCP1 default inputs, and interrupt-on-change."
},
{
"number": "3",
"name": "RC4",
"type": "bidirectional",
"description": "General purpose I/O RC4 with ANC4 analog input and interrupt-on-change."
},
{
"number": "4",
"name": "RC3",
"type": "bidirectional",
"description": "General purpose I/O RC3 with ANC3, C1IN3-/C2IN3- comparator inputs, MDMIN, CCP2 and CLCIN1 default inputs."
},
{
"number": "5",
"name": "RC6",
"type": "bidirectional",
"description": "General purpose I/O RC6 with ANC6 analog input and SS1 default slave-select input."
},
{
"number": "6",
"name": "RC7",
"type": "bidirectional",
"description": "General purpose I/O RC7 with ANC7 analog input and interrupt-on-change."
},
{
"number": "7",
"name": "RB7",
"type": "bidirectional",
"description": "General purpose I/O RB7 with ANB7 analog input and interrupt-on-change."
},
{
"number": "8",
"name": "RB6",
"type": "bidirectional",
"description": "General purpose I/O RB6 with ANB6 analog input, default SPI clock SCK1 and I2C clock SCL1 (I2C-level capable pin)."
},
{
"number": "9",
"name": "RB5",
"type": "bidirectional",
"description": "General purpose I/O RB5 with ANB5 analog input, EUSART RX and CLCIN3 default inputs."
},
{
"number": "10",
"name": "RB4",
"type": "bidirectional",
"description": "General purpose I/O RB4 with ANB4 analog input, SPI data input SDI1, I2C data SDA1 and CLCIN2 default input."
},
{
"number": "11",
"name": "RC2",
"type": "bidirectional",
"description": "General purpose I/O RC2 with ANC2, C1IN2-/C2IN2- comparator inputs and MDCIN1 default input."
},
{
"number": "12",
"name": "RC1",
"type": "bidirectional",
"description": "General purpose I/O RC1 with ANC1 and C1IN1-/C2IN1- comparator negative inputs."
},
{
"number": "13",
"name": "RC0",
"type": "bidirectional",
"description": "General purpose I/O RC0 with ANC0 analog input and C2IN0+ comparator positive input."
},
{
"number": "14",
"name": "RA2",
"type": "bidirectional",
"description": "General purpose I/O RA2 with ANA2, VREF-, DAC1REF-, T0CKI, CCP3, CWG1IN/CWG2IN, CLCIN0 and INT default inputs."
},
{
"number": "15",
"name": "RA1/ICSPCLK",
"type": "bidirectional",
"description": "General purpose I/O RA1 with ANA1, VREF+, C1IN0-/C2IN0-, DAC1REF+, and ICSP clock / in-circuit debug clock (ICSPCLK/ICDCLK)."
},
{
"number": "16",
"name": "RA0/ICSPDAT",
"type": "bidirectional",
"description": "General purpose I/O RA0 with ANA0, C1IN0+, DAC1OUT analog output, and ICSP data / in-circuit debug data (ICSPDAT/ICDDAT)."
},
{
"number": "17",
"name": "VSS",
"type": "power_in",
"description": "Ground reference."
},
{
"number": "18",
"name": "VDD",
"type": "power_in",
"description": "Positive supply, 1.8V to 3.6V for PIC16LF18344; must be decoupled and never left floating."
},
{
"number": "19",
"name": "RA5",
"type": "bidirectional",
"description": "General purpose I/O RA5 with ANA5, T1CKI/T3CKI/T5CKI, secondary oscillator SOSCIN/SOSCI, external clock input CLKIN and crystal pin OSC1."
},
{
"number": "20",
"name": "RA4",
"type": "bidirectional",
"description": "General purpose I/O RA4 with ANA4, T1G/T3G/T5G, CCP4, SOSCO, FOSC/4 CLKOUT and crystal pin OSC2."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed bottom pad; recommended to be connected to VSS but must not be the main VSS connection to the device."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: MPN 'PIC16LF18344-I' has no package code; UQFN-20 was taken from the package hint. The datasheet als; The exposed pad has no printed pin number. '21' is an assumed designator. The datasheet only says to; The pin-type classification of multiplexed I/O pins is inferred as bidirectional. RA3 is input-only "
],
"pages_sent": 80,
"cost_usd": 0.6615,
"at": "2026-10-23T18:16:01"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/6eda0943fc06dbd1f97fff5407167ba5.pdf",
"pages": 489,
"sha256": "ef07a4c4e86158f1",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "pic16lf18344-i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pic16lf18344-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "d73d90b3fb40a5c3fad67cb283b4e970bad41a60add1e21312ad6e3d1175ce22",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}