component
ATTINY817-MF
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "attiny817-mf",
"title": "ATTINY817-MF",
"brief": "Microchip Tech Pre-ordered MCUs, QFN-24-EP(4x4). 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",
"embedded processors & controllers",
"attiny817-mf",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATTINY817-MF",
"manufacturer": "Microchip Tech",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
"parts": {
"symbol": "attiny817-mf.kicad_sym",
"footprint": "attiny817-mf.kicad_mod",
"model_3d": "attiny817-mf-hero.glb",
"model_3d_plain": "attiny817-mf-etched.glb",
"model_3d_step": "attiny817-mf-etched.step",
"model_3d_step_plain": "attiny817-mf.step",
"lbr": "attiny817-mf.lbr"
},
"distributor_links": {
"lcsc": "C617948",
"digikey": "ATTINY817-MF-ND",
"mouser": "556-ATTINY817-MF"
},
"distributor_check": {
"checked_at": "2026-10-30T22:34:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY817-MF-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATTINY817-MF",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "PORTA pin 2 general-purpose I/O with full asynchronous detection, multiplexed with EVOUT0, AIN2, RxD, MISO and SCL (RxD/MISO/SCL alternate positions via PORTMUX)."
},
{
"number": "2",
"name": "PA3",
"type": "bidirectional",
"description": "PORTA pin 3 general-purpose I/O, multiplexed with EXTCLK external clock input, AIN3, XCK (alternate position), SCK and TCA0 WO3."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Power supply; operating range 1.8 V to 5.5 V (2.7 V to 5.5 V for the -MF extended temperature variant)."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "PORTA pin 4 general-purpose I/O, multiplexed with AIN4, PTC X0/Y0, XDIR (alternate position), SS, WO4, TCD0 WOA and LUT0-OUT."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "PORTA pin 5 general-purpose I/O, multiplexed with AIN5, PTC X1/Y1, OUT, WO5 and TCD0 WOB."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "PORTA pin 6 general-purpose I/O with full asynchronous detection, multiplexed with AIN6, PTC X2/Y2, AC0 AINN0 and DAC0 OUT analog output."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "PORTA pin 7 general-purpose I/O, multiplexed with AIN7, PTC X3/Y3, AC0 AINP0 and LUT1-OUT."
},
{
"number": "9",
"name": "PB7",
"type": "bidirectional",
"description": "PORTB pin 7 general-purpose digital I/O; the multiplexing table lists no other function for this pin."
},
{
"number": "10",
"name": "PB6",
"type": "bidirectional",
"description": "PORTB pin 6 general-purpose digital I/O with full asynchronous detection; the multiplexing table lists no other function for this pin."
},
{
"number": "11",
"name": "PB5",
"type": "bidirectional",
"description": "PORTB pin 5 general-purpose I/O, multiplexed with CLKOUT, AIN8, AC0 AINP1 and WO2 (alternate position)."
},
{
"number": "12",
"name": "PB4",
"type": "bidirectional",
"description": "PORTB pin 4 general-purpose I/O, multiplexed with AIN9, AC0 AINN1, WO1 (alternate position) and LUT0-OUT (alternate position)."
},
{
"number": "13",
"name": "PB3",
"type": "bidirectional",
"description": "PORTB pin 3 general-purpose I/O, multiplexed with TOSC1 external crystal pin, RxD and WO0 (alternate position)."
},
{
"number": "14",
"name": "PB2",
"type": "bidirectional",
"description": "PORTB pin 2 general-purpose I/O with full asynchronous detection, multiplexed with TOSC2 external crystal pin, EVOUT1, TxD and WO2."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "PORTB pin 1 general-purpose I/O, multiplexed with AIN10, PTC X4/Y4, XCK, SDA and WO1."
},
{
"number": "16",
"name": "PB0",
"type": "bidirectional",
"description": "PORTB pin 0 general-purpose I/O, multiplexed with AIN11, PTC X5/Y5, XDIR, SCL and WO0."
},
{
"number": "17",
"name": "PC0",
"type": "bidirectional",
"description": "PORTC pin 0 general-purpose I/O, multiplexed with SCK (alternate position), WO (alternate position) and TCD0 WOC."
},
{
"number": "18",
"name": "PC1",
"type": "bidirectional",
"description": "PORTC pin 1 general-purpose I/O, multiplexed with MISO (alternate position), TCD0 WOD and LUT1-OUT (alternate position)."
},
{
"number": "19",
"name": "PC2",
"type": "bidirectional",
"description": "PORTC pin 2 general-purpose I/O with full asynchronous detection, multiplexed with EVOUT2 and MOSI (alternate position)."
},
{
"number": "20",
"name": "PC3",
"type": "bidirectional",
"description": "PORTC pin 3 general-purpose I/O, multiplexed with SS (alternate position), WO3 (alternate position) and LUT1-IN0."
},
{
"number": "21",
"name": "PC4",
"type": "bidirectional",
"description": "PORTC pin 4 general-purpose I/O, multiplexed with WO4 (alternate position) and LUT1-IN1."
},
{
"number": "22",
"name": "PC5",
"type": "bidirectional",
"description": "PORTC pin 5 general-purpose I/O, multiplexed with WO5 (alternate position) and LUT1-IN2."
},
{
"number": "23",
"name": "PA0",
"type": "bidirectional",
"description": "PORTA pin 0 configured by the RSTPINCFG fuse as GPIO, RESET or UPDI programming/debug pin; also AIN0 and LUT0-IN0."
},
{
"number": "24",
"name": "PA1",
"type": "bidirectional",
"description": "PORTA pin 1 general-purpose I/O, multiplexed with AIN1, TxD, MOSI and SDA (TxD/MOSI/SDA alternate positions) and LUT0-IN1."
},
{
"number": "25",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed pad has no printed pin number; 'EP' is a placeholder. The datasheet only recommends sold; Pin-to-name mapping was taken from Table 5-1 (24-pin VQFN column) and cross-checked against the pino; The table column for the 'OUT' entry on PA5 is not unambiguous. It is probably the AC0 output."
],
"pages_sent": 120,
"cost_usd": 0.4765,
"at": "2026-10-30T22:33:58"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
"pages": 596,
"sha256": "c2392fe1c4c9666a",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "attiny817-mf.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny817-mf-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "cc9c4cac4ece973615f2d7794f3b66e74d406be84e617de7c7f9be28210ffd2c",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "24-Lead VQFN (RLB), 4x4 mm, drawing C04-21386",
"source_page": 573,
"D": {
"nom_mm": 4,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 4,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.85,
"range_mm": [
0.8,
0.9
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "attiny817-mf.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "QFN-24-EP(4x4)",
"Category": "Embedded Processors & Controllers",
"Pins": "25"
},
"appearance": {
"contacts": {
"quote": "including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In the Self Capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor.",
"page": 461,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "c2392fe1c4c9666ad0541f054aa49f18994ca36cc1f13bed81d036b2eaa7f8af"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c2392fe1c4c9666ad0541f054aa49f18994ca36cc1f13bed81d036b2eaa7f8af",
"rows": [
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "ATtiny817-MF ordering code",
"source_page": 560,
"source": "datasheet"
},
{
"name": "Maximum CPU speed",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 16,
"conditions": "ATtiny817-MF ordering code",
"source_page": 560,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "ATtiny817-MF ordering code (F = -40°C to +125°C)",
"source_page": 560,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"attiny817-mf"
],
"discovery_pitch": "ATTINY817-MF (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny817-mf.kicad_sym",
"attiny817-mf.kicad_mod",
"attiny817-mf.glb",
"attiny817-mf.step",
"attiny817-mf.lbr",
"docs/hero.png",
"docs/attiny817-mf-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny817-mf-hero.glb",
"attiny817-mf-hero.overlay.json",
"attiny817-mf-etched.glb"
],
"visibility": {
"public": true
}
}