component
ATTINY461A-PU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, PDIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375
{
"schema_version": 1,
"type": "component",
"slug": "attiny461a-pu",
"title": "ATTINY461A-PU",
"brief": "Microchip Tech Pre-ordered MCUs, PDIP-20. 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",
"attiny461a-pu",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATTINY461A-PU",
"manufacturer": "Microchip Tech",
"package": "PDIP-20",
"pin_count": 20,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/381ffe87d5b84364841253cbb7146429.pdf",
"parts": {
"symbol": "attiny461a-pu.kicad_sym",
"footprint": "attiny461a-pu.kicad_mod",
"model_3d": "attiny461a-pu-hero.glb",
"model_3d_plain": "attiny461a-pu-etched.glb",
"model_3d_step": "attiny461a-pu-etched.step",
"model_3d_step_plain": "attiny461a-pu.step",
"lbr": "attiny461a-pu.lbr"
},
"distributor_links": {
"lcsc": "C1340852",
"digikey": "ATTINY461A-PU-ND",
"mouser": "556-ATTINY461A-PU"
},
"distributor_check": {
"checked_at": "2026-11-02T16:56:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY461A-PU-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATTINY461A-PU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are MOSI/DI/SDA/OC1A/PCINT8."
},
{
"number": "2",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are MISO/DO/OC1A/PCINT9."
},
{
"number": "3",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are SCK/USCK/SCL/OC1B/PCINT10."
},
{
"number": "4",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are OC1B/PCINT11."
},
{
"number": "5",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage pin, operating range 1.8 to 5.5 V per the operating voltage specification."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device."
},
{
"number": "7",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC7/OC1D/CLKI/XTAL1/PCINT12."
},
{
"number": "8",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC8/OC1D/CLKO/XTAL2/PCINT13."
},
{
"number": "9",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC9/INT0/T0/PCINT14."
},
{
"number": "10",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 is a bi-directional I/O pin; it doubles as the RESET input, where a low level longer than the minimum pulse length generates a reset, and can otherwise be used as a weak I/O pin."
},
{
"number": "11",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC6/AIN1/PCINT7."
},
{
"number": "12",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC5/AIN0/PCINT6."
},
{
"number": "13",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC4/AIN2/PCINT5."
},
{
"number": "14",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC3/ICP0/PCINT4."
},
{
"number": "15",
"name": "AVCC",
"type": "power_in",
"description": "Analog supply voltage for the ADC, analog comparator, BOD, internal reference and Port A; it should be externally connected to VCC, through a low-pass filter if the ADC is used."
},
{
"number": "16",
"name": "AGND",
"type": "power_in",
"description": "Analog ground pin."
},
{
"number": "17",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are AREF/PCINT3."
},
{
"number": "18",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC2/INT1/USCK/SCL/PCINT2."
},
{
"number": "19",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC1/DO/PCINT1."
},
{
"number": "20",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 is a bi-directional I/O pin with an internal pull-up that can be enabled individually; alternate functions are ADC0/DI/SDA/PCINT0."
}
],
"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: PDIP-20 pin numbers were mapped from the page 2 figure text, which lists pins 1-10 down the left sid"
],
"pages_sent": 22,
"cost_usd": 0.0336,
"at": "2026-11-02T16:56:18"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/381ffe87d5b84364841253cbb7146429.pdf",
"pages": 22,
"sha256": "80d15581b2650413",
"source_tier": "lcsc"
},
"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": "attiny461a-pu.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
7.874,
26.162,
6.98
],
"zmin_mm": -3.3,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "ca359c9b9e0ce94efcb6c96866513f659eef6517d629ace3c4a0a779f6fd57bb",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny461a-pu-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
7.874,
26.162,
6.98
],
"zmin_mm": -3.3,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "209d2729048af94dbc4dc702b13bad704f54c93543de507eeb6bb17215c0b40d",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "PDIP-20",
"Category": "Embedded Processors & Controllers",
"Pins": "20"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "80d15581b2650413a4be4011566eecc4cba52b7f8ca190a4d894432c8d04384c",
"rows": [
{
"name": "Operating voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Speed grade 0-4 MHz",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 4,
"conditions": "VCC 1.8 – 5.5V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Speed grade 0-10 MHz",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 10,
"conditions": "VCC 2.7 – 5.5V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Speed grade 0-20 MHz",
"symbol": "",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 20,
"conditions": "VCC 4.5 – 5.5V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Active current consumption",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 200,
"max": null,
"conditions": "1 MHz, 1.8V, 25°C",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power-down mode current consumption",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": null,
"conditions": "1 MHz, 1.8V, 25°C",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"attiny461a-pu"
],
"discovery_pitch": "ATTINY461A-PU (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",
"attiny461a-pu.kicad_sym",
"attiny461a-pu.kicad_mod",
"attiny461a-pu.glb",
"attiny461a-pu.step",
"attiny461a-pu.lbr",
"docs/hero.png",
"docs/attiny461a-pu-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny461a-pu-hero.glb",
"attiny461a-pu-hero.overlay.json",
"attiny461a-pu-etched.glb"
],
"visibility": {
"public": true
}
}