component
ATTINY4313-SU
Public Made by Adomby adom
Microchip Tech Global Sourcing Parts, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "attiny4313-su",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Global Sourcing Parts, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"global sourcing parts",
"attiny4313-su",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny4313-su.kicad_sym",
"attiny4313-su.kicad_mod",
"attiny4313-su.glb",
"attiny4313-su.step",
"attiny4313-su.lbr",
"docs/hero.png",
"docs/attiny4313-su-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny4313-su-hero.glb",
"attiny4313-su-hero.overlay.json",
"attiny4313-su-etched.glb"
],
"component": {
"mpn": "ATTINY4313-SU",
"manufacturer": "Microchip Tech",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Global Sourcing Parts",
"subcategory": "Global Sourcing Parts",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882158479937536",
"parts": {
"symbol": "attiny4313-su.kicad_sym",
"footprint": "attiny4313-su.kicad_mod",
"model_3d": "attiny4313-su-hero.glb",
"model_3d_plain": "attiny4313-su-etched.glb",
"model_3d_step": "attiny4313-su-etched.step",
"model_3d_step_plain": "attiny4313-su.step",
"lbr": "attiny4313-su.lbr"
},
"distributor_links": {
"lcsc": "C72467",
"digikey": "ATTINY4313-SU-ND",
"mouser": "556-ATTINY4313-SU"
},
"distributor_check": {
"checked_at": "2026-10-20T09:14:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY4313-SU-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATTINY4313-SU",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
}
},
"pins": [
{
"number": "1",
"name": "PA2 (RESET/dW/PCINT10)",
"type": "bidirectional",
"description": "Port A bit 2 is a bi-directional I/O pin with internal pull-up, tri-stated when reset is active; it doubles as the active-low RESET input unless the RSTDISBL fuse is programmed, and as debugWIRE (dW)."
},
{
"number": "2",
"name": "PD0 (RXD/PCINT11)",
"type": "bidirectional",
"description": "Port D bit 0 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the RXD (USART receive) alternate function."
},
{
"number": "3",
"name": "PD1 (TXD/PCINT12)",
"type": "bidirectional",
"description": "Port D bit 1 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the TXD (USART transmit) alternate function."
},
{
"number": "4",
"name": "PA1/XTAL2/PCINT9",
"type": "bidirectional",
"description": "Port A bit 1 is a bi-directional I/O pin with internal pull-up, tri-stated when reset is active, and it serves as XTAL2, the output from the inverting oscillator amplifier."
},
{
"number": "5",
"name": "PA0 (XTAL1/CLKI/PCINT8)",
"type": "bidirectional",
"description": "Port A bit 0 is a bi-directional I/O pin with internal pull-up, tri-stated when reset is active, and it serves as XTAL1, the input to the inverting oscillator amplifier and internal clock circuit."
},
{
"number": "6",
"name": "PD2 (INT0/XCK/CKOUT/PCINT13)",
"type": "bidirectional",
"description": "Port D bit 2 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the CKOUT, XCK and INT0 alternate functions shown in Figure 1-1."
},
{
"number": "7",
"name": "PD3 (INT1/PCINT14)",
"type": "bidirectional",
"description": "Port D bit 3 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the INT1 external interrupt alternate function."
},
{
"number": "8",
"name": "PD4/T0/PCINT15",
"type": "bidirectional",
"description": "Port D bit 4 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the T0 Timer/Counter0 clock input alternate function."
},
{
"number": "9",
"name": "PD5 (T1/OC0B/PCINT16)",
"type": "bidirectional",
"description": "Port D bit 5 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the T1 and OC0B alternate functions shown in Figure 1-1."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "11",
"name": "PD6 (ICP1/PCINT17)",
"type": "bidirectional",
"description": "Port D bit 6 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the ICP1 input capture alternate function."
},
{
"number": "12",
"name": "PB0 (AIN0/PCINT0)",
"type": "bidirectional",
"description": "Port B bit 0 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the AIN0 analog comparator positive input alternate function."
},
{
"number": "13",
"name": "PB1 (AIN1/PCINT1)",
"type": "bidirectional",
"description": "Port B bit 1 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the AIN1 analog comparator negative input alternate function."
},
{
"number": "14",
"name": "PB2 (OC0A/PCINT2)",
"type": "bidirectional",
"description": "Port B bit 2 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the OC0A Timer/Counter0 output compare alternate function."
},
{
"number": "15",
"name": "PB3 (OC1A/PCINT3)",
"type": "bidirectional",
"description": "Port B bit 3 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the OC1A Timer/Counter1 output compare alternate function."
},
{
"number": "16",
"name": "PB4 (OC1B/PCINT4)",
"type": "bidirectional",
"description": "Port B bit 4 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the OC1B Timer/Counter1 output compare alternate function."
},
{
"number": "17",
"name": "PB5 (MOSI/DI/SDA/PCINT5)",
"type": "bidirectional",
"description": "Port B bit 5 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the MOSI/DI/SDA alternate functions used for SPI and USI operation."
},
{
"number": "18",
"name": "PB6 (MISO/DO/PCINT6)",
"type": "bidirectional",
"description": "Port B bit 6 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the MISO/DO alternate function."
},
{
"number": "19",
"name": "PB7 (USCK/SCL/SCK/PCINT7)",
"type": "bidirectional",
"description": "Port B bit 7 is a bi-directional I/O pin with internal pull-up resistors, tri-stated when reset is active, and it carries the USCK/SCL/SCK alternate functions."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage."
}
],
"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 pin-to-number mapping was reconstructed from the scrambled text extraction of Figure 1-1 (PDIP/S; Port pins that carry special functions are typed as bidirectional (KiCad class) because they are gen; The datasheet covers ATtiny2313A and ATtiny4313 together; the pinout is shared. Ordering information"
],
"pages_sent": 60,
"cost_usd": 0.2055,
"at": "2026-10-20T09:14:27"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882158479937536",
"pages": 274,
"sha256": "2c4b584c9b0bc5cb",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
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"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"footprint_binding": "identity",
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"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny4313-su-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": -0.0,
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"footprint_binding": "identity",
"sha256": "68b639afd9f14109a5be7b0a63b62b617ff302ba7690ab0b789cd5a67ccdc769",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}