component
ATTINY4313-PU
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), PDIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "attiny4313-pu",
"title": "ATTINY4313-PU",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), 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": [
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"embedded processors & controllers",
"attiny4313-pu",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATTINY4313-PU",
"manufacturer": "Microchip Tech",
"package": "PDIP-20",
"pin_count": 20,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/12c62af36aeb1d721fbca47c98b5f1b6.pdf",
"parts": {
"symbol": "attiny4313-pu.kicad_sym",
"footprint": "attiny4313-pu.kicad_mod",
"model_3d": "attiny4313-pu-hero.glb",
"model_3d_plain": "attiny4313-pu-etched.glb",
"model_3d_step": "attiny4313-pu-etched.step",
"model_3d_step_plain": "attiny4313-pu.step",
"lbr": "attiny4313-pu.lbr"
},
"distributor_links": {
"lcsc": "C613486",
"digikey": "ATTINY4313-PU-ND",
"mouser": "556-ATTINY4313-PU"
},
"distributor_check": {
"checked_at": "2026-10-26T18:48:06Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY4313-PU-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATTINY4313-PU",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 with PCINT10, also active-low reset input (a low level longer than the minimum pulse length resets the device) and debugWIRE; use as I/O by programming the RSTDISBL fuse."
},
{
"number": "2",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0 bi-directional I/O with internal pull-up, alternate functions RXD and PCINT11."
},
{
"number": "3",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 bi-directional I/O with internal pull-up, alternate functions TXD and PCINT12."
},
{
"number": "4",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 I/O with PCINT9, alternate function XTAL2 as output from the inverting oscillator amplifier."
},
{
"number": "5",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0 I/O with PCINT8, alternate function XTAL1/CLKI as input to the inverting oscillator amplifier and internal clock circuit."
},
{
"number": "6",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 bi-directional I/O with internal pull-up, alternate functions CKOUT, XCK, INT0 and PCINT13."
},
{
"number": "7",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3 bi-directional I/O with internal pull-up, alternate functions INT1 and PCINT14."
},
{
"number": "8",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 bi-directional I/O with internal pull-up, alternate functions T0 and PCINT15."
},
{
"number": "9",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 bi-directional I/O with internal pull-up, alternate functions OC0B, T1 and PCINT16."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "11",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 bi-directional I/O with internal pull-up, alternate functions ICPI and PCINT17."
},
{
"number": "12",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 bi-directional I/O with internal pull-up, alternate functions AIN0 and PCINT0."
},
{
"number": "13",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 bi-directional I/O with internal pull-up, alternate functions AIN1 and PCINT1."
},
{
"number": "14",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 bi-directional I/O with internal pull-up, alternate functions OC0A and PCINT2."
},
{
"number": "15",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 bi-directional I/O with internal pull-up, alternate functions OC1A and PCINT3."
},
{
"number": "16",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 bi-directional I/O with internal pull-up, alternate functions OC1B and PCINT4."
},
{
"number": "17",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 bi-directional I/O with internal pull-up, alternate functions MOSI, DI, SDA and PCINT5."
},
{
"number": "18",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 bi-directional I/O with internal pull-up, alternate functions MISO, DO and PCINT6."
},
{
"number": "19",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 bi-directional I/O with internal pull-up, alternate functions USCK, SCL, SCK and PCINT7."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage, 1.8 to 5.5 V."
}
],
"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: Pin 1 (PA2/RESET/dW) typed bidirectional because it can be I/O or debugWIRE; it is a reset input by "
],
"pages_sent": 22,
"cost_usd": 0.1957,
"at": "2026-10-26T18:47:47"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/12c62af36aeb1d721fbca47c98b5f1b6.pdf",
"pages": 22,
"sha256": "40038ab6257b67fe",
"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"
},
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
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6.98
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"zmin_mm": -3.3,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "ca359c9b9e0ce94efcb6c96866513f659eef6517d629ace3c4a0a779f6fd57bb",
"checked": "2026-10-26",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny4313-pu-etched.step",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "PDIP-20",
"Category": "Embedded Processors & Controllers",
"Pins": "20"
},
"appearance": {
"contacts": {
"quote": "– H: NiPdAu lead finish – U or N: matte tin",
"page": 12,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "40038ab6257b67fec964d7624d1779fb6d380020c15b665b29975be841fa0fad"
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"characteristics": {
"version": 1,
"source": "datasheet",
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"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 supply range",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "0 - 4 MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Speed grade 0-10 MHz supply range",
"symbol": "",
"kind": "recommended_operating",
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"min": 2.7,
"typ": null,
"max": 5.5,
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},
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"name": "Speed grade 0-20 MHz supply range",
"symbol": "",
"kind": "recommended_operating",
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"min": 4.5,
"typ": null,
"max": 5.5,
"conditions": "0 - 20 MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating temperature range (Industrial)",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Industrial",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Flash endurance",
"symbol": "",
"kind": "electrical",
"unit": "Write/Erase Cycles",
"min": null,
"typ": 10000,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "EEPROM endurance",
"symbol": "",
"kind": "electrical",
"unit": "Write/Erase Cycles",
"min": null,
"typ": 100000,
"max": null,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Active mode current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 190,
"max": null,
"conditions": "1.8V and 1MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Idle mode current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 24,
"max": null,
"conditions": "1.8V and 1MHz",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power-down mode current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": null,
"conditions": "1.8V and +25°C",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
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"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"attiny4313-pu"
],
"discovery_pitch": "ATTINY4313-PU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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"attiny4313-pu.step",
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}