component
ATTINY1616-SFR
Public Made by Adomby adom
Microchip Tech Microcontrollers (MCU/MPU/SOC), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "attiny1616-sfr",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontrollers (MCU/MPU/SOC), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"attiny1616-sfr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"attiny1616-sfr.kicad_sym",
"attiny1616-sfr.kicad_mod",
"attiny1616-sfr.glb",
"attiny1616-sfr.step",
"attiny1616-sfr.lbr",
"docs/hero.png",
"docs/attiny1616-sfr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"attiny1616-sfr-hero.glb",
"attiny1616-sfr-hero.overlay.json",
"attiny1616-sfr-etched.glb"
],
"component": {
"mpn": "ATTINY1616-SFR",
"manufacturer": "Microchip Tech",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586194231203401728",
"parts": {
"symbol": "attiny1616-sfr.kicad_sym",
"footprint": "attiny1616-sfr.kicad_mod",
"model_3d": "attiny1616-sfr-hero.glb",
"model_3d_plain": "attiny1616-sfr-etched.glb",
"model_3d_step": "attiny1616-sfr-etched.step",
"model_3d_step_plain": "attiny1616-sfr.step",
"lbr": "attiny1616-sfr.lbr"
},
"distributor_links": {
"lcsc": "C145558"
},
"distributor_check": {
"checked_at": "2026-10-18T16:59:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Supply pin; the datasheet gives an operating supply range of 1.8 V to 5.5 V (absolute maximum -0.5 V to 6 V)."
},
{
"number": "2",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4 I/O, multiplexed with AIN4, AIN0, PTC X0/Y0, USART0 XDIR, SPI0 SS, TCA0 WO4, TCD0 WOA and CCL LUT0-OUT; I/O sink/source current is limited to ±40 mA."
},
{
"number": "3",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5 I/O, multiplexed with VREFA, AIN5, AIN1, PTC X1/Y1, AINN0, TCA0 WO5 and TCB0/TCD0 WOB outputs; I/O sink/source current is limited to ±40 mA."
},
{
"number": "4",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6 I/O, multiplexed with AIN6, AIN2, PTC X2/Y2, AINN0, AINP0 and AINP1 and the analog comparator output; I/O sink/source current is limited to ±40 mA."
},
{
"number": "5",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7 I/O, multiplexed with AIN7, AIN3, PTC X3/Y3, AINP0, AINN0 and CCL LUT1-OUT; I/O sink/source current is limited to ±40 mA."
},
{
"number": "6",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 I/O, multiplexed with CLKOUT, AIN8, PTC X12/Y12, AINP1, AINP2 and TCA0 WO2; I/O sink/source current is limited to ±40 mA."
},
{
"number": "7",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 I/O, multiplexed with AIN9, PTC X13/Y13, AINN1, AINP3, TCA0 WO1 and CCL LUT0-OUT; I/O sink/source current is limited to ±40 mA."
},
{
"number": "8",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 I/O, which is also the 32.768 kHz crystal oscillator input TOSC1 and is multiplexed with USART0 RxD and TCA0 WO0; I/O sink/source current is limited to ±40 mA."
},
{
"number": "9",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 I/O, which is also the 32.768 kHz crystal oscillator output TOSC2 and is multiplexed with EVOUT1, USART0 TxD and TCA0 WO2; I/O sink/source current is limited to ±40 mA."
},
{
"number": "10",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 I/O, multiplexed with AIN10, PTC X4/Y4, AINP2, USART0 XCK, TWI0 SDA and TCA0 WO1; I/O sink/source current is limited to ±40 mA."
},
{
"number": "11",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 I/O, multiplexed with AIN11, PTC X5/Y5, AINP1, AINP2, USART0 XDIR, TWI0 SCL and TCA0 WO0; I/O sink/source current is limited to ±40 mA."
},
{
"number": "12",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0 I/O, multiplexed with AIN6, PTC X6/Y6, SPI0 SCK, TCB0 WO and TCD0 WOC; I/O sink/source current is limited to ±40 mA."
},
{
"number": "13",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 I/O, multiplexed with AIN7, PTC X7/Y7, SPI0 MISO, TCD0 WOD and CCL LUT1-OUT; I/O sink/source current is limited to ±40 mA."
},
{
"number": "14",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 I/O, multiplexed with EVOUT2, AIN8, PTC X9/Y8 and SPI0 MOSI; I/O sink/source current is limited to ±40 mA."
},
{
"number": "15",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 I/O, multiplexed with AIN9, PTC X9/Y9, SPI0 SS, TCA0 WO3 and CCL LUT1-IN0; I/O sink/source current is limited to ±40 mA."
},
{
"number": "16",
"name": "PA0/RESET/UPDI",
"type": "bidirectional",
"description": "Port A bit 0 I/O shared with RESET and UPDI, where the function is selected by the RSTPINCFG fuse (GPIO, RESET or UPDI; 0x3 is reserved for lower pin counts), and it is also multiplexed with AIN0 and CCL LUT0-IN0."
},
{
"number": "17",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1 I/O, multiplexed with BREAK, AIN1, USART0 TxD, SPI0 MOSI, TWI0 SDA and CCL LUT0-IN1; I/O sink/source current is limited to ±40 mA."
},
{
"number": "18",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2 I/O, multiplexed with EVOUT0, AIN2, USART0 RxD, SPI0 MISO, TWI0 SCL and CCL LUT0-IN2; I/O sink/source current is limited to ±40 mA."
},
{
"number": "19",
"name": "PA3/EXTCLK",
"type": "bidirectional",
"description": "Port A bit 3 I/O, which is also the external clock input EXTCLK and is multiplexed with AIN3, USART0 XCK, SPI0 SCK, TCA0 WO3 and TCB1 WO; I/O sink/source current is limited to ±40 mA."
},
{
"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: Pin-to-pad assignment was derived from the multiplexing table (Table 5-1, page 18), whose 20-pin SOI; Alternate functions are listed per the multiplexing table and are alternatives, not simultaneous fun; PA0/RESET/UPDI behaviour depends on the RSTPINCFG fuse and the 12V UPDI enable sequence, which are d"
],
"pages_sent": 98,
"cost_usd": 0.3413,
"at": "2026-10-18T16:59:26"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586194231203401728",
"pages": 493,
"sha256": "06e23fa8222e1a74",
"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": "attiny1616-sfr.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "attiny1616-sfr-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": "a9e41c07413b7d568f164e6690f7c58ab335a46938257e908f5d82e374e95e43",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}