component
PIC16F527-I
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"pic16f527-i",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"component": {
"mpn": "PIC16F527-I",
"manufacturer": "Microchip Tech",
"package": "QFN-20-EP(4x4)",
"pin_count": 21,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/41638B.pdf",
"parts": {
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"lbr": "pic16f527-i.lbr"
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"distributor_links": {
"lcsc": "C637939"
},
"distributor_check": {
"checked_at": "2026-10-26T23:38:47Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
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},
"pins": [
{
"number": "1",
"name": "RA3/MCLR/VPP",
"type": "input",
"description": "Input-only pin that serves as MCLR master clear reset and VPP programming voltage input."
},
{
"number": "2",
"name": "RC5",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction and high-current source/sink capability."
},
{
"number": "3",
"name": "RC4/C2OUT",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also comparator 2 output C2OUT."
},
{
"number": "4",
"name": "RC3/AN7/OP1",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN7 and op amp 1 output OP1."
},
{
"number": "5",
"name": "RC6/OP1-",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also op amp 1 inverting input OP1-."
},
{
"number": "6",
"name": "RC7/OP1+",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also op amp 1 non-inverting input OP1+."
},
{
"number": "7",
"name": "RB7",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction."
},
{
"number": "8",
"name": "RB6",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction."
},
{
"number": "9",
"name": "RB5/OP2+",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also op amp 2 non-inverting input OP2+."
},
{
"number": "10",
"name": "RB4/OP2-",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also op amp 2 inverting input OP2-."
},
{
"number": "11",
"name": "RC2/AN6/OP2",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN6 and op amp 2 output OP2."
},
{
"number": "12",
"name": "RC1/AN5/C2IN-",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN5 and comparator 2 inverting input C2IN-."
},
{
"number": "13",
"name": "RC0/AN4/C2IN+",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN4 and comparator 2 non-inverting input C2IN+."
},
{
"number": "14",
"name": "RA2/AN2/C1OUT/T0CKI",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN2, comparator 1 output C1OUT and TMR0 clock input T0CKI."
},
{
"number": "15",
"name": "RA1/AN1/C1IN-/CVREF/ICSPCLK",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN1, comparator 1 inverting input, comparator reference CVREF and ICSP clock ICSPCLK."
},
{
"number": "16",
"name": "RA0/AN0/C1IN+/ICSPDAT",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN0, comparator 1 non-inverting input C1IN+ and ICSP data ICSPDAT."
},
{
"number": "17",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "18",
"name": "VDD",
"type": "power_in",
"description": "Positive supply; the device operates from 2.0V to 5.5V over the industrial and extended ranges."
},
{
"number": "19",
"name": "RA5/OSC1/CLKIN",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also oscillator input OSC1 and clock input CLKIN."
},
{
"number": "20",
"name": "RA4/AN3/OSC2/CLKOUT",
"type": "bidirectional",
"description": "General purpose I/O with individually controlled direction; also ADC channel AN3, oscillator output OSC2 and clock output CLKOUT."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 datasheet gives a 20-pin QFN pinout (Table 1 and Figure 2) but does not mention an exposed therm"
],
"pages_sent": 6,
"cost_usd": 0.0221,
"at": "2026-10-26T23:38:37"
},
"datasheet": {
"url": "https://ww1.microchip.com/downloads/en/DeviceDoc/41638B.pdf",
"pages": 6,
"sha256": "ea737510facf835d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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