component
ATTINY1617-MFR
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "attiny1617-mfr",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"attiny1617-mfr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny1617-mfr.kicad_sym",
"attiny1617-mfr.kicad_mod",
"attiny1617-mfr.glb",
"attiny1617-mfr.step",
"attiny1617-mfr.lbr",
"docs/hero.png",
"docs/attiny1617-mfr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny1617-mfr-hero.glb",
"attiny1617-mfr-hero.overlay.json",
"attiny1617-mfr-etched.glb"
],
"component": {
"mpn": "ATTINY1617-MFR",
"manufacturer": "Microchip Tech",
"package": "VQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/afaf6650b16c4958228c1b57f0f30156.pdf",
"parts": {
"symbol": "attiny1617-mfr.kicad_sym",
"footprint": "attiny1617-mfr.kicad_mod",
"model_3d": "attiny1617-mfr-hero.glb",
"model_3d_plain": "attiny1617-mfr-etched.glb",
"model_3d_step": "attiny1617-mfr-etched.step",
"model_3d_step_plain": "attiny1617-mfr.step",
"lbr": "attiny1617-mfr.lbr"
},
"distributor_links": {
"lcsc": "C2053207",
"digikey": "ATTINY1617-MFRTR-ND",
"mouser": "556-ATTINY1617-MFR"
},
"distributor_check": {
"checked_at": "2026-11-02T19:17:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATTINY1617-MFRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATTINY1617-MFR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA2",
"type": "bidirectional",
"description": "PORTA pin 2 GPIO with EVOUT0, ADC0 AIN2, USART0 RxD (alternate), SPI0 MISO, TWI0 SCL (alternate) and CCL LUT0-IN2 functions."
},
{
"number": "2",
"name": "PA3/EXTCLK",
"type": "bidirectional",
"description": "PORTA pin 3 GPIO that also serves as the EXTCLK external clock input, ADC0 AIN3, USART0 XCK (alternate), SPI0 SCK, TCA0 WO3 and TCB1 WO."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Input supply voltage; operating range is 1.8 V to 5.5 V."
},
{
"number": "5",
"name": "PA4",
"type": "bidirectional",
"description": "PORTA pin 4 GPIO with ADC0 AIN4, ADC1 AIN0, PTC X0/Y0, USART0 XDIR (alternate), SPI0 SS, TCA0 WO4, TCD0 WOA and CCL LUT0-OUT functions."
},
{
"number": "6",
"name": "PA5",
"type": "bidirectional",
"description": "PORTA pin 5 GPIO with VREFA external reference input, ADC0 AIN5, ADC1 AIN1, PTC X1/Y1, AC0 OUT, TCA0 WO5, TCB0 WO and TCD0 WOB functions."
},
{
"number": "7",
"name": "PA6",
"type": "bidirectional",
"description": "PORTA pin 6 GPIO with ADC0 AIN6, ADC1 AIN2, PTC X2/Y2, analog comparator inputs and DAC0 OUT functions."
},
{
"number": "8",
"name": "PA7",
"type": "bidirectional",
"description": "PORTA pin 7 GPIO with ADC0 AIN7, ADC1 AIN3, PTC X3/Y3, analog comparator inputs and CCL LUT1-OUT functions."
},
{
"number": "9",
"name": "PB7",
"type": "bidirectional",
"description": "PORTB pin 7 GPIO with ADC1 AIN4 and analog comparator inputs (AINN1, AINP3)."
},
{
"number": "10",
"name": "PB6",
"type": "bidirectional",
"description": "PORTB pin 6 GPIO with ADC1 AIN5 and analog comparator inputs (AINP3, AINN1)."
},
{
"number": "11",
"name": "PB5",
"type": "bidirectional",
"description": "PORTB pin 5 GPIO with CLKOUT, ADC0 AIN8, PTC X12/Y12, analog comparator inputs and TCA0 WO2 (alternate) functions."
},
{
"number": "12",
"name": "PB4",
"type": "bidirectional",
"description": "PORTB pin 4 GPIO with ADC0 AIN9, PTC X13/Y13, analog comparator inputs, TCA0 WO1 (alternate) and CCL LUT0-OUT (alternate) functions."
},
{
"number": "13",
"name": "PB3",
"type": "bidirectional",
"description": "PORTB pin 3 GPIO that also serves as the TOSC1 32.768 kHz crystal pin, with USART0 RxD and TCA0 WO0 (alternate) functions."
},
{
"number": "14",
"name": "PB2/TOSC2",
"type": "bidirectional",
"description": "PORTB pin 2 GPIO that also serves as the TOSC2 32.768 kHz crystal pin, with EVOUT1, USART0 TxD and TCA0 WO2 functions."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "PORTB pin 1 GPIO with ADC0 AIN10, PTC X4/Y4, analog comparator input, USART0 XCK, TWI0 SDA and TCA0 WO1 functions."
},
{
"number": "16",
"name": "PB0",
"type": "bidirectional",
"description": "PORTB pin 0 GPIO with ADC0 AIN11, PTC X5/Y5, analog comparator inputs, USART0 XDIR, TWI0 SCL and TCA0 WO0 functions."
},
{
"number": "17",
"name": "PC0",
"type": "bidirectional",
"description": "PORTC pin 0 GPIO with ADC1 AIN6, PTC X6/Y6, SPI0 SCK (alternate), TCB0 WO (alternate) and TCD0 WOC functions."
},
{
"number": "18",
"name": "PC1",
"type": "bidirectional",
"description": "PORTC pin 1 GPIO with ADC1 AIN7, PTC X7/Y7, SPI0 MISO (alternate), TCD0 WOD and CCL LUT1-OUT (alternate) functions."
},
{
"number": "19",
"name": "PC2",
"type": "bidirectional",
"description": "PORTC pin 2 GPIO with EVOUT2, ADC1 AIN8, PTC X8/Y8 and SPI0 MOSI (alternate) functions."
},
{
"number": "20",
"name": "PC3",
"type": "bidirectional",
"description": "PORTC pin 3 GPIO with ADC1 AIN9, PTC X9/Y9, SPI0 SS (alternate), TCA0 WO3 (alternate) and CCL LUT1-IN0 functions."
},
{
"number": "21",
"name": "PC4",
"type": "bidirectional",
"description": "PORTC pin 4 GPIO with ADC1 AIN10, PTC X10/Y10, TCA0 WO4 (alternate), TCB1 WO (alternate) and CCL LUT1-IN1 functions."
},
{
"number": "22",
"name": "PC5",
"type": "bidirectional",
"description": "PORTC pin 5 GPIO with ADC1 AIN11, PTC X11/Y11, TCA0 WO5 (alternate) and CCL LUT1-IN2 functions."
},
{
"number": "23",
"name": "PA0/RESET/UPDI",
"type": "bidirectional",
"description": "PORTA pin 0 that is the RESET and single-pin UPDI programming/debug pin (function set by the RSTPINCFG fuse), also ADC0 AIN0 and CCL LUT0-IN0."
},
{
"number": "24",
"name": "PA1",
"type": "bidirectional",
"description": "PORTA pin 1 GPIO with ADC0 AIN1, USART0 TxD (alternate), SPI0 MOSI, TWI0 SDA (alternate) and CCL LUT0-IN1 functions."
},
{
"number": "25",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet recommends soldering the large center exposed pad to ground for mechanical stability b; The multiplexing table is flattened text, so the assignment of analog comparator (AC0/AC1/AC2) and D; The ordering table lists ATtiny1617-MFR as 24-pin VQFN, -40 to 125 °C, 2.7 V to 5.5 V. The package d",
"exposed pad 25 added from the footprint"
],
"pages_sent": 115,
"cost_usd": 1.0539,
"at": "2026-11-02T19:16:26"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/afaf6650b16c4958228c1b57f0f30156.pdf",
"pages": 598,
"sha256": "2a74721fd9d658a4",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "attiny1617-mfr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny1617-mfr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "666834b9d473b70894421697cd789055485f85bd216b180ba9ba0b59b2aaeef0",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "RLB (C04-21386, 24-Lead VQFN 4x4 mm)",
"source_page": 581,
"D": {
"nom_mm": 4.0,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 4.0,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"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": "attiny1617-mfr.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}