component
ATTINY816-SNR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.0
528702f
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{
"slug": "attiny816-snr",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"attiny816-snr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny816-snr.kicad_sym",
"attiny816-snr.kicad_mod",
"attiny816-snr.glb",
"attiny816-snr.step",
"attiny816-snr.lbr",
"docs/hero.png",
"docs/attiny816-snr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny816-snr-hero.glb",
"attiny816-snr-hero.overlay.json",
"attiny816-snr-etched.glb"
],
"component": {
"mpn": "ATTINY816-SNR",
"manufacturer": "Microchip Tech",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d5c6eb52343b755546dba89b7fdc2709.pdf",
"parts": {
"symbol": "attiny816-snr.kicad_sym",
"footprint": "attiny816-snr.kicad_mod",
"model_3d": "attiny816-snr-hero.glb",
"model_3d_plain": "attiny816-snr-etched.glb",
"model_3d_step": "attiny816-snr-etched.step",
"model_3d_step_plain": "attiny816-snr.step",
"lbr": "attiny816-snr.lbr"
},
"distributor_links": {
"lcsc": "C2054204",
"digikey": "ATTINY816-SNRTR-ND",
"mouser": "579-ATTINY816-SNR"
},
"distributor_check": {
"checked_at": "2026-11-12T07:02:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY816-SNRTR-ND",
"status": "found"
},
"mouser": {
"pn": "579-ATTINY816-SNR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage pin for the device; the datasheet states operating supply voltage of 1.8 V to 5.5 V."
},
{
"number": "2",
"name": "PA4",
"type": "bidirectional",
"description": "General-purpose I/O pin PA4 with ADC0 AIN4, PTC X0/Y0, USART0 XDIR (alternate position), SPI0 SS, TCA0 WO4, TCD0 WOA and CCL LUT0-OUT functions."
},
{
"number": "3",
"name": "PA5",
"type": "bidirectional",
"description": "General-purpose I/O pin PA5 with ADC0 AIN5, PTC X1/Y1, DAC0 OUT, TCA0 WO5 and TCB0 WO functions."
},
{
"number": "4",
"name": "PA6",
"type": "bidirectional",
"description": "General-purpose I/O pin PA6 with ADC0 AIN6, PTC X2/Y2, AC0 AINN0 and DAC0 OUT functions."
},
{
"number": "5",
"name": "PA7",
"type": "bidirectional",
"description": "General-purpose I/O pin PA7 with ADC0 AIN7, PTC X3/Y3, AC0 AINP0 and CCL LUT1-OUT functions."
},
{
"number": "6",
"name": "PB5",
"type": "bidirectional",
"description": "General-purpose I/O pin PB5 with CLKOUT, ADC0 AIN8, AC0 AINP1 and TCA0 WO2 (alternate position) functions."
},
{
"number": "7",
"name": "PB4",
"type": "bidirectional",
"description": "General-purpose I/O pin PB4 with ADC0 AIN9, AC0 AINN1, TCA0 WO1 (alternate position) and CCL LUT0-OUT (alternate position) functions."
},
{
"number": "8",
"name": "PB3",
"type": "bidirectional",
"description": "General-purpose I/O pin PB3 that also serves as TOSC1 (32.768 kHz crystal oscillator input), USART0 RxD (alternate position) and TCA0 WO0 (alternate position)."
},
{
"number": "9",
"name": "PB2",
"type": "bidirectional",
"description": "General-purpose I/O pin PB2 that also serves as TOSC2 (32.768 kHz crystal oscillator output), EVOUT1, USART0 TxD and TCA0 WO2 functions."
},
{
"number": "10",
"name": "PB1",
"type": "bidirectional",
"description": "General-purpose I/O pin PB1 with ADC0 AIN10, PTC X4/Y4, USART0 XCK, TWI0 SDA and TCA0 WO1 functions."
},
{
"number": "11",
"name": "PB0",
"type": "bidirectional",
"description": "General-purpose I/O pin PB0 with ADC0 AIN11, PTC X5/Y5, USART0 XDIR, TWI0 SCL and TCA0 WO0 functions."
},
{
"number": "12",
"name": "PC0",
"type": "bidirectional",
"description": "General-purpose I/O pin PC0 with SPI0 SCK (alternate position), TCB0 WO (alternate position) and TCD0 WOC functions."
},
{
"number": "13",
"name": "PC1",
"type": "bidirectional",
"description": "General-purpose I/O pin PC1 with SPI0 MISO (alternate position), TCD0 WOD and CCL LUT1-OUT (alternate position) functions."
},
{
"number": "14",
"name": "PC2",
"type": "bidirectional",
"description": "General-purpose I/O pin PC2 with EVOUT2 and SPI0 MOSI (alternate position) functions."
},
{
"number": "15",
"name": "PC3",
"type": "bidirectional",
"description": "General-purpose I/O pin PC3 with SPI0 SS (alternate position), TCA0 WO3 (alternate position) and CCL LUT1-IN0 functions."
},
{
"number": "16",
"name": "PA0/RESET/UPDI",
"type": "bidirectional",
"description": "Pin PA0 that is also the RESET pin, which the datasheet describes as the UPDI programming/debug interface pin when configured as UPDI, with ADC0 AIN0 and CCL LUT0-IN0 functions."
},
{
"number": "17",
"name": "PA1",
"type": "bidirectional",
"description": "General-purpose I/O pin PA1 with ADC0 AIN1, USART0 TxD (alternate position), SPI0 MOSI, TWI0 SDA (alternate position) and CCL LUT0-IN1 functions."
},
{
"number": "18",
"name": "PA2",
"type": "bidirectional",
"description": "General-purpose I/O pin PA2 with EVOUT0, ADC0 AIN2, USART0 RxD (alternate position), SPI0 MISO, TWI0 SCL (alternate position) and CCL LUT0-IN2 functions."
},
{
"number": "19",
"name": "PA3/EXTCLK",
"type": "bidirectional",
"description": "General-purpose I/O pin PA3 that also serves as the external clock input EXTCLK, with ADC0 AIN3, USART0 XCK (alternate position), SPI0 SCK and TCA0 WO3 functions."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device."
}
],
"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 SOIC pin diagram on page 16 is garbled in the extracted text. Pin numbers were taken from the 'V; KiCad types were chosen as bidirectional for all port pins because they are general-purpose I/O. Pin; Table 5-1 marks some alternate functions with (3), meaning alternate pin positions selected via PORT"
],
"pages_sent": 132,
"cost_usd": 0.0202,
"at": "2026-11-12T07:02:04"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/d5c6eb52343b755546dba89b7fdc2709.pdf",
"pages": 623,
"sha256": "a3d47c9b11de5e45",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "attiny816-snr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
12.8,
2.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
"checked": "2026-11-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny816-snr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
12.8,
2.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "a204b07127a3a189906e62db26e334dad5fa7216ec1a9b76c213691f54980c27",
"checked": "2026-11-12",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "SOIC20 (SRJ / G5X), drawing C04-21323",
"source_page": 599,
"D": {
"nom_mm": 12.8,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 7.5,
"range_mm": [
null,
null
]
},
"E": {
"nom_mm": 10.3,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 1.27,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 2.5,
"range_mm": [
2.35,
2.65
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "attiny816-snr.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}