component
MRF89XAT-I
Public Made by Adomby adom
Microchip Tech RF Transceiver ICs, TQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "mrf89xat-i",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech RF Transceiver ICs, TQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"radio frequency chip-antenna",
"mrf89xat-i",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"files": [
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"README.md",
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"mrf89xat-i.kicad_mod",
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"mrf89xat-i.step",
"mrf89xat-i.lbr",
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"docs/mrf89xat-i-datasheet.pdf",
"viewers/symbol.html",
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"mrf89xat-i-hero.glb",
"mrf89xat-i-hero.overlay.json",
"mrf89xat-i-etched.glb"
],
"component": {
"mpn": "MRF89XAT-I",
"manufacturer": "Microchip Tech",
"package": "TQFN-32-EP(5x5)",
"pin_count": 33,
"category": "Radio Frequency Chip/Antenna",
"subcategory": "RF Transceiver ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/77cfef5dbcc80376c2f5598e576e8706.pdf",
"parts": {
"symbol": "mrf89xat-i.kicad_sym",
"footprint": "mrf89xat-i.kicad_mod",
"model_3d": "mrf89xat-i-hero.glb",
"model_3d_plain": "mrf89xat-i-etched.glb",
"model_3d_step": "mrf89xat-i-etched.step",
"model_3d_step_plain": "mrf89xat-i.step",
"lbr": "mrf89xat-i.lbr"
},
"distributor_links": {
"lcsc": "C626257"
},
"distributor_check": {
"checked_at": "2026-10-31T18:38:11Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "TEST5",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "2",
"name": "TEST1",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "3",
"name": "VCORS",
"type": "power_out",
"description": "Regulated voltage supply of the VCO (0.85V)."
},
{
"number": "4",
"name": "VCOTN",
"type": "passive",
"description": "VCO tank connection (negative side; two same-value external inductors required)."
},
{
"number": "5",
"name": "VCOTP",
"type": "passive",
"description": "VCO tank connection (positive side; two same-value external inductors required)."
},
{
"number": "6",
"name": "PLLN",
"type": "passive",
"description": "PLL loop filter connection."
},
{
"number": "7",
"name": "PLLP",
"type": "passive",
"description": "PLL loop filter connection."
},
{
"number": "8",
"name": "TEST6",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "9",
"name": "TEST7",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "10",
"name": "OSC1",
"type": "passive",
"description": "Crystal connection."
},
{
"number": "11",
"name": "OSC2",
"type": "passive",
"description": "Crystal connection."
},
{
"number": "12",
"name": "TEST0",
"type": "input",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "13",
"name": "TEST8",
"type": "bidirectional",
"description": "Test pin, allow pin to float; do not connect signal during normal operation."
},
{
"number": "14",
"name": "CSCON",
"type": "input",
"description": "SPI configure chip select; has priority over CSDAT."
},
{
"number": "15",
"name": "CSDAT",
"type": "input",
"description": "SPI data chip select."
},
{
"number": "16",
"name": "SDO",
"type": "tri_state",
"description": "Serial data output from the MRF89XA; driven only when CSCON or CSDAT is low, otherwise High-Z."
},
{
"number": "17",
"name": "SDI",
"type": "input",
"description": "Serial data input to the MRF89XA."
},
{
"number": "18",
"name": "SCK",
"type": "input",
"description": "SPI serial clock input."
},
{
"number": "19",
"name": "CLKOUT",
"type": "output",
"description": "Clock output at reference frequency divided by a programmable factor; disable when unused to minimize current."
},
{
"number": "20",
"name": "DATA",
"type": "bidirectional",
"description": "NRZ data input and output in Continuous mode; if unused, pull up to VDD through 100 kΩ."
},
{
"number": "21",
"name": "IRQ0",
"type": "output",
"description": "Interrupt request output to the host microcontroller."
},
{
"number": "22",
"name": "IRQ1",
"type": "output",
"description": "Interrupt request output to the host microcontroller."
},
{
"number": "23",
"name": "PLOCK",
"type": "output",
"description": "PLL lock detection output, enabled by the LENPLL bit."
},
{
"number": "24",
"name": "TEST2",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "25",
"name": "TEST3",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "26",
"name": "VDD",
"type": "power_in",
"description": "Power supply input, 2.1-3.6V."
},
{
"number": "27",
"name": "AVRS",
"type": "power_out",
"description": "Regulated supply of the analog circuitry (1.0V)."
},
{
"number": "28",
"name": "DVRS",
"type": "power_out",
"description": "Regulated supply of the digital circuitry (1.0V)."
},
{
"number": "29",
"name": "PARS",
"type": "power_out",
"description": "Regulated supply of the PA (1.8V), also output for the PA choke in Transmit mode."
},
{
"number": "30",
"name": "TEST4",
"type": "bidirectional",
"description": "Test pin, connected to Ground during normal operation."
},
{
"number": "31",
"name": "RFIO",
"type": "bidirectional",
"description": "RF input/output."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connection; connected to Ground during normal operation."
},
{
"number": "33",
"name": "Vss",
"type": "power_in",
"description": "Exposed pad, connected to Ground during normal operation."
}
],
"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: Datasheet pages provided do not explicitly name the 5x5 TQFN package; page 135 only gives 'MQ = QFN'; Pin types for VCOTN/VCOTP/PLLN/PLLP/OSC1/OSC2 (datasheet: Analog I/O or Analog Input) were mapped to; Pin 32 NC is described as connected to Ground in normal operation; marked unconnected per its name.",
"2/33 pins cited to the wrong page (name found elsewhere): ['10:OSC1@p13', '11:OSC2@p13']"
],
"pages_sent": 14,
"cost_usd": 0.1549,
"at": "2026-10-31T18:37:53"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/77cfef5dbcc80376c2f5598e576e8706.pdf",
"pages": 139,
"sha256": "c971bf0195452e73",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"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": "z = 0",
"extents_mm": [
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mrf89xat-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
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"sha256": "de2ce11d6b3c92ddf3906710c2433db965e6dd8875ebf6d76d3c7ba7a720f4fb",
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"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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]
}
}