component
ATTINY816-MN
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.1
73236d5
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{
"schema_version": 1,
"type": "component",
"slug": "attiny816-mn",
"title": "ATTINY816-MN",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.1",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"attiny816-mn",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATTINY816-MN",
"manufacturer": "Microchip Tech",
"package": "QFN-20-EP(3x3)",
"pin_count": 21,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
"parts": {
"symbol": "attiny816-mn.kicad_sym",
"footprint": "attiny816-mn.kicad_mod",
"model_3d": "attiny816-mn-hero.glb",
"model_3d_plain": "attiny816-mn.glb",
"model_3d_step": "attiny816-mn-etched.step",
"model_3d_step_plain": "attiny816-mn.step",
"lbr": "attiny816-mn.lbr"
},
"distributor_links": {
"lcsc": "C617908",
"digikey": "ATTINY816-MN-ND",
"mouser": "556-ATTINY816-MN"
},
"distributor_check": {
"checked_at": "2026-11-05T22:26:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY816-MN-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATTINY816-MN",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "PA2 is a PORTA I/O pin with alternate functions EVOUT0, AIN2, RxD, MISO, SCL and LUT0-IN2, and can be used as an event input and external interrupt source."
},
{
"number": "2",
"name": "PA3",
"type": "bidirectional",
"description": "PA3 is a PORTA I/O pin with alternate functions EXTCLK (external clock input), AIN3, XCK, SCK and WO3."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin; operating supply voltage is 1.8 V to 5.5 V (Table 36-2)."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "PA4 is a PORTA I/O pin with alternate functions AIN4, PTC X0/Y0, XDIR, SS, WO4, WOA and LUT0-OUT."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "PA5 is a PORTA I/O pin with alternate functions AIN5, PTC X1/Y1, OUT, WO5, WO and WOB."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "PA6 is a PORTA I/O pin with alternate functions AIN6, PTC X2/Y2, AINN0, OUT and the DAC0 output."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "PA7 is a PORTA I/O pin with alternate functions AIN7, PTC X3/Y3, AINP0 and LUT1-OUT."
},
{
"number": "9",
"name": "PB5",
"type": "bidirectional",
"description": "PB5 is a PORTB I/O pin with alternate functions CLKOUT, AIN8, AINP1 and WO2 (alternate position)."
},
{
"number": "10",
"name": "PB4",
"type": "bidirectional",
"description": "PB4 is a PORTB I/O pin with alternate functions AIN9, AINN1, WO1 (alternate position) and LUT0-OUT (alternate position)."
},
{
"number": "11",
"name": "PB3",
"type": "bidirectional",
"description": "PB3 is a PORTB I/O pin with alternate functions TOSC1 (32.768 kHz crystal oscillator input), RxD and WO0 (alternate position)."
},
{
"number": "12",
"name": "PB2",
"type": "bidirectional",
"description": "PB2 is a PORTB I/O pin with alternate functions TOSC2 (32.768 kHz crystal oscillator output), EVOUT1, TxD and WO2."
},
{
"number": "13",
"name": "PB1",
"type": "bidirectional",
"description": "PB1 is a PORTB I/O pin with alternate functions AIN10, PTC X4/Y4, XCK, SDA and WO1."
},
{
"number": "14",
"name": "PB0",
"type": "bidirectional",
"description": "PB0 is a PORTB I/O pin with alternate functions AIN11, PTC X5/Y5, XDIR, SCL and WO0."
},
{
"number": "15",
"name": "PC0",
"type": "bidirectional",
"description": "PC0 is a PORTC I/O pin with alternate functions SCK, WO and WOC (alternate positions)."
},
{
"number": "16",
"name": "PC1",
"type": "bidirectional",
"description": "PC1 is a PORTC I/O pin with alternate functions MISO, WOD and LUT1-OUT (alternate positions)."
},
{
"number": "17",
"name": "PC2",
"type": "bidirectional",
"description": "PC2 is a PORTC I/O pin with alternate functions EVOUT2 and MOSI (alternate position)."
},
{
"number": "18",
"name": "PC3",
"type": "bidirectional",
"description": "PC3 is a PORTC I/O pin with alternate functions SS, WO3 (alternate positions) and LUT1-IN0."
},
{
"number": "19",
"name": "PA0",
"type": "bidirectional",
"description": "PA0 is shared with the RESET/UPDI pin, whose function is selected by the RSTPINCFG fuse (GPIO, UPDI or RESET), and also carries AIN0 and LUT0-IN0."
},
{
"number": "20",
"name": "PA1",
"type": "bidirectional",
"description": "PA1 is a PORTA I/O pin with alternate functions AIN1, TxD (alternate position), MOSI, SDA (alternate position) and LUT0-IN1."
},
{
"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 exposed center pad (1.7 mm, QFN-20-EP) has no pin number in the datasheet. The datasheet only re; The pinout drawing text on page 17 is scrambled in extraction. The 20-pin VQFN pin-to-name mapping w; Functions marked (3) in Table 5-1 are alternate pin positions selected through PORTMUX (section 15).",
"exposed pad 21 added from the footprint"
],
"pages_sent": 120,
"cost_usd": 0.3875,
"at": "2026-11-05T22:25:53"
},
"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": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "attiny816-mn.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.02,
3.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "a908020b776aca919204e378121507516e9e36fb32a7977d879424cff4c52c03",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny816-mn-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.02,
3.02,
0.9
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e25c995f2ee0053b2ab3153c68455a881445e2003c1e3dc51fae073ff27edd89",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "VQFN-20 (REB), Microchip drawing C04-21380, 3x3 mm body, 1.7 mm exposed pad (Atmel code ZCL)",
"source_page": 570,
"D": {
"nom_mm": 3,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 3,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.4,
"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": "attiny816-mn.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "QFN-20-EP(3x3)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "21"
},
"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": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "ATtiny816-MN (VQFN, 20 MHz), ordering information table",
"source_page": 560,
"source": "datasheet"
},
{
"name": "Temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 105,
"conditions": "ATtiny816-MN (VQFN, 20 MHz), ordering information table",
"source_page": 560,
"source": "datasheet"
},
{
"name": "Max. CPU speed",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": null,
"typ": null,
"max": 20,
"conditions": "ATtiny816-MN (VQFN, 1.8V-5.5V), ordering information table",
"source_page": 560,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"attiny816-mn"
],
"discovery_pitch": "ATTINY816-MN (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny816-mn.kicad_sym",
"attiny816-mn.kicad_mod",
"attiny816-mn.glb",
"attiny816-mn.step",
"attiny816-mn.lbr",
"docs/hero.png",
"docs/attiny816-mn-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny816-mn-hero.glb",
"attiny816-mn-hero.overlay.json",
"attiny816-mn-etched.glb",
"attiny816-mn-etched.step"
],
"visibility": "public",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"org": "adom"
}