component
KSZ8873FLLI
Public Made by Adomby adom
Microchip Tech Ethernet ICs, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132
{
"schema_version": 1,
"type": "component",
"slug": "ksz8873flli",
"title": "KSZ8873FLLI",
"brief": "Microchip Tech Ethernet ICs, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"communication interface chip-uart-485-232",
"ksz8873flli",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "KSZ8873FLLI",
"manufacturer": "Microchip Tech",
"package": "LQFP-64(10x10)",
"pin_count": 64,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Ethernet ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d57f2e7e007056824e1ee208c01684de.pdf",
"parts": {
"symbol": "ksz8873flli.kicad_sym",
"footprint": "ksz8873flli.kicad_mod",
"model_3d": "ksz8873flli-hero.glb",
"model_3d_plain": "ksz8873flli-etched.glb",
"model_3d_step": "ksz8873flli-etched.step",
"model_3d_step_plain": "ksz8873flli.step",
"lbr": "ksz8873flli.lbr"
},
"distributor_links": {
"lcsc": "C634214",
"digikey": "576-3632-ND",
"mouser": "998-KSZ8873FLLI"
},
"distributor_check": {
"checked_at": "2026-10-30T20:53:02Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "576-3632-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "998-KSZ8873FLLI",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "RXM1",
"type": "bidirectional",
"description": "Port 1 physical receive or transmit signal (- differential)."
},
{
"number": "2",
"name": "RXP1",
"type": "bidirectional",
"description": "Port 1 physical receive or transmit signal (+ differential)."
},
{
"number": "3",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "4",
"name": "TXM1",
"type": "bidirectional",
"description": "Port 1 physical transmit or receive signal (- differential)."
},
{
"number": "5",
"name": "TXP1",
"type": "bidirectional",
"description": "Port 1 physical transmit or receive signal (+ differential)."
},
{
"number": "6",
"name": "VDDA_3.3",
"type": "power_in",
"description": "3.3V analog VDD."
},
{
"number": "7",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "8",
"name": "ISET",
"type": "output",
"description": "Sets physical transmit output current; pull down with an 11.8kΩ 1% resistor to ground."
},
{
"number": "9",
"name": "VDDA_1.8",
"type": "power_in",
"description": "1.8V analog core power input from VDDCO (pin 56)."
},
{
"number": "10",
"name": "RXM2",
"type": "bidirectional",
"description": "Port 2 physical receive or transmit signal (- differential)."
},
{
"number": "11",
"name": "RXP2",
"type": "bidirectional",
"description": "Port 2 physical receive or transmit signal (+ differential)."
},
{
"number": "12",
"name": "AGND",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "13",
"name": "TXM2",
"type": "bidirectional",
"description": "Port 2 physical transmit or receive signal (- differential)."
},
{
"number": "14",
"name": "TXP2",
"type": "bidirectional",
"description": "Port 2 physical transmit or receive signal (+ differential)."
},
{
"number": "15",
"name": "FXSD2",
"type": "input",
"description": "FLL: Port 2 fiber signal detect/factory test pin."
},
{
"number": "16",
"name": "PWRDN",
"type": "input",
"description": "Chip power down input, active-low, with internal pull-up."
},
{
"number": "17",
"name": "X1",
"type": "input",
"description": "25 MHz or 50 MHz crystal/oscillator clock connection (±50 ppm); with an oscillator, X1 connects to a 3.3V tolerant oscillator and clock should be applied before reset goes high."
},
{
"number": "18",
"name": "X2",
"type": "output",
"description": "Crystal connection; no connect when an oscillator drives X1."
},
{
"number": "19",
"name": "SMTXEN3",
"type": "input",
"description": "Switch MII transmit enable, internal pull-up."
},
{
"number": "20",
"name": "SMTXD33/EN_REFCLKO_3",
"type": "input",
"description": "FLL: Switch MII transmit data bit 3, internal pull-up (EN_REFCLKO_3 strap applies to RLL only)."
},
{
"number": "21",
"name": "SMTXD32",
"type": "input",
"description": "FLL: Switch MII transmit data bit 2, internal pull-up."
},
{
"number": "22",
"name": "SMTXD31",
"type": "input",
"description": "Switch MII/RMII transmit data bit 1, internal pull-up."
},
{
"number": "23",
"name": "SMTXD30",
"type": "input",
"description": "Switch MII/RMII transmit data bit 0, internal pull-up."
},
{
"number": "24",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "25",
"name": "VDDIO",
"type": "power_in",
"description": "3.3V, 2.5V, or 1.8V digital VDD input supply for IO with well decoupling capacitors."
},
{
"number": "26",
"name": "SMTXC3/REFCLKI_3",
"type": "bidirectional",
"description": "FLL: Switch MII transmit clock; output in PHY MII mode and SNI mode, input in MAC MII mode."
},
{
"number": "27",
"name": "SMTXER3/MII_LINK_3",
"type": "input",
"description": "Switch MII transmit error; in MII PHY mode 0 = MII link from host, 1 = no link on port 3 and enables bypass mode (internal pull-down)."
},
{
"number": "28",
"name": "SMRXDV3",
"type": "bidirectional",
"description": "Switch MII receive data valid; strap selects MII mode: PU = PHY mode, PD = MAC mode."
},
{
"number": "29",
"name": "SMRXD33/REFCLKO_3",
"type": "bidirectional",
"description": "FLL: Switch MII receive data bit 3; strap enables auto-negotiation on port 2 (PU = enable, PD = disable)."
},
{
"number": "30",
"name": "SMRXD32",
"type": "bidirectional",
"description": "Switch MII receive data bit 2; strap forces port 2 speed if P2ANEN = 0 (PU = 100BT, PD = 10BT)."
},
{
"number": "31",
"name": "SMRXD31",
"type": "bidirectional",
"description": "Switch MII/RMII receive data bit 1; strap sets port 2 duplex (PU = full-duplex, PD = half-duplex)."
},
{
"number": "32",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "33",
"name": "SMRXD30",
"type": "bidirectional",
"description": "Switch MII/RMII receive data bit 0; strap forces port 2 flow control (PU = always enabled, PD = determined by auto-negotiation)."
},
{
"number": "34",
"name": "SCRS3/NC",
"type": "bidirectional",
"description": "FLL: Switch MII carrier sense; in MAC mode drive from PHY/FPGA CRS with logic (TXEN | RXDV), or pull down with 1kΩ if only full-duplex is used."
},
{
"number": "35",
"name": "SCOL3/NC",
"type": "bidirectional",
"description": "FLL: Switch MII collision detect."
},
{
"number": "36",
"name": "SMRXC3/NC",
"type": "bidirectional",
"description": "FLL: Switch MII receive clock; output in PHY MII mode, input in MAC MII mode."
},
{
"number": "37",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "38",
"name": "VDDC",
"type": "power_in",
"description": "1.8V digital core power input from VDDCO (pin 56)."
},
{
"number": "39",
"name": "SPIQ",
"type": "bidirectional",
"description": "SPI slave mode serial data output (external pull-up needed when in use); strap selects XCLK frequency: PU = 25 MHz, PD = 50 MHz."
},
{
"number": "40",
"name": "SPISN",
"type": "input",
"description": "SPI slave mode chip select, active-low, internal pull-up; external pull-up needed when in use, high deselects and tri-states SPIQ."
},
{
"number": "41",
"name": "INTRN",
"type": "output",
"description": "Active-low interrupt to host CPU indicating an interrupt status bit is set on lost link (registers 187 and 188), with internal pull-up."
},
{
"number": "42",
"name": "SCL_MDC",
"type": "bidirectional",
"description": "SPI/I2C slave mode clock input, I2C master mode clock output, and MIIM clock input."
},
{
"number": "43",
"name": "SDA_MDIO",
"type": "bidirectional",
"description": "SPI slave serial data input, I2C serial data input/output, and MIIM data input/output; external pull-up needed when in use."
},
{
"number": "44",
"name": "NC",
"type": "unconnected",
"description": "Unused pin; only this NC pin may be pulled down by a resistor for better EMI."
},
{
"number": "45",
"name": "P1ANEN",
"type": "bidirectional",
"description": "Strap: PU = enable auto-negotiation on port 1, PD = disable."
},
{
"number": "46",
"name": "P1SPD",
"type": "bidirectional",
"description": "Strap: PU = force port 1 to 100BT, PD = 10BT, if P1ANEN = 0."
},
{
"number": "47",
"name": "P1DPX",
"type": "bidirectional",
"description": "Strap: PU = port 1 full-duplex, PD = half-duplex (default or forced depending on P1ANEN)."
},
{
"number": "48",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "49",
"name": "VDDC",
"type": "power_in",
"description": "1.8V digital core power input from VDDCO (pin 56)."
},
{
"number": "50",
"name": "P1FFC",
"type": "bidirectional",
"description": "Strap: PU = always force port 1 flow control, PD = determined by auto-negotiation result."
},
{
"number": "51",
"name": "P3SPD",
"type": "bidirectional",
"description": "Strap: PU = force port 3 to 10BT, PD = 100BT (default); internal pull-down."
},
{
"number": "52",
"name": "NC",
"type": "unconnected",
"description": "Unused pin, no external connection."
},
{
"number": "53",
"name": "NC",
"type": "unconnected",
"description": "Unused pin, no external connection."
},
{
"number": "54",
"name": "VDDIO",
"type": "power_in",
"description": "3.3V, 2.5V or 1.8V digital VDD input supply for IO with well decoupling capacitors."
},
{
"number": "55",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "56",
"name": "VDDCO",
"type": "power_out",
"description": "1.8V internal LDO regulator output (input from VDDIO) powering VDDA_1.8 and VDDC; do not connect an external supply, use ferrite bead between analog and digital 1.8V."
},
{
"number": "57",
"name": "NC",
"type": "unconnected",
"description": "Unused pin, no external connection."
},
{
"number": "58",
"name": "P1LED1",
"type": "bidirectional",
"description": "Port 1 LED (default speed, register 195 bit[5:4]); strap for port 3 flow control: PU = force enable (default), PD = disable."
},
{
"number": "59",
"name": "P1LED0",
"type": "bidirectional",
"description": "Port 1 LED (default link/activity); strap for port 3 duplex: PU = half-duplex, PD = full-duplex (default); recommend external 0.5kΩ pull-down."
},
{
"number": "60",
"name": "P2LED1",
"type": "bidirectional",
"description": "Port 2 LED (default speed); with P2LED0 straps serial bus mode: [P2LED1,P2LED0] 00 = I2C master, 01 = I2C slave, 10 = SPI slave, 11 = SMI/MIIM."
},
{
"number": "61",
"name": "P2LED0",
"type": "bidirectional",
"description": "Port 2 LED (default link/activity); with P2LED1 straps serial bus configuration mode (00 I2C master, 01 I2C slave, 10 SPI slave, 11 SMI/MIIM)."
},
{
"number": "62",
"name": "RSTN",
"type": "input",
"description": "Hardware reset, active-low, with internal pull-up."
},
{
"number": "63",
"name": "FXSD1",
"type": "input",
"description": "FLL: Port 1 fiber signal detect."
},
{
"number": "64",
"name": "VDDA_1.8",
"type": "power_in",
"description": "1.8V analog VDD input supply from VDDCO (pin 56) through external ferrite bead and capacitors."
}
],
"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: KSZ8873FLLI is the FLL (fiber, MII) variant; shared datasheet with MLL/RLL, so FLL-specific function; Types for ISET (listed as O but is an analog resistor-set pin) and strap I/O pins (Ipu/O) are interp"
],
"pages_sent": 26,
"cost_usd": 0.3332,
"at": "2026-10-30T20:52:48"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/d57f2e7e007056824e1ee208c01684de.pdf",
"pages": 95,
"sha256": "5bfa1107d97e8afb",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ksz8873flli.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ksz8873flli-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "ca286d15a865a36b14a2dbc138b4793ae240747be256a91f2893720d8b62a23a",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "LQFP-64(10x10)",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "64"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "5bfa1107d97e8afb014f109ed6402a14385fa144e3fd757b4f175fbe5533b533",
"rows": [
{
"name": "Input High Voltage (VDDIO=3.3V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "VDDIO = 3.3V (printed 2.0/1.8/1.3 for 3.3/2.5/1.8V)",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Input High Voltage (VDDIO=2.5V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 1.8,
"typ": null,
"max": null,
"conditions": "VDDIO = 2.5V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Input High Voltage (VDDIO=1.8V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 1.3,
"typ": null,
"max": null,
"conditions": "VDDIO = 1.8V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Input Low Voltage (VDDIO=3.3V)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "VDDIO = 3.3V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Input Low Voltage (VDDIO=2.5V)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.7,
"conditions": "VDDIO = 2.5V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Input Low Voltage (VDDIO=1.8V)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "VDDIO = 1.8V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Input Current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "VIN = GND ~ VDDIO",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output High Voltage (VDDIO=3.3V)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": null,
"conditions": "IOH = –8 mA, VDDIO = 3.3V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output High Voltage (VDDIO=2.5V)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "IOH = –8 mA, VDDIO = 2.5V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output High Voltage (VDDIO=1.8V)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": null,
"conditions": "IOH = –8 mA, VDDIO = 1.8V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output Low Voltage (VDDIO=3.3V/2.5V)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 8 mA, VDDIO = 3.3V/2.5V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output Low Voltage (VDDIO=1.8V)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "IOL = 8 mA, VDDIO = 1.8V",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output Tri-State Leakage",
"symbol": "|IOZ|",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Peak Differential Output Voltage (100BASE-TX)",
"symbol": "VO",
"kind": "electrical",
"unit": "V",
"min": 0.95,
"typ": null,
"max": 1.05,
"conditions": "100Ω termination across differential output",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Output Voltage Imbalance",
"symbol": "VIMB",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 2,
"conditions": "100Ω termination across differential output",
"source_page": 76,
"source": "datasheet"
},
{
"name": "Rise/Fall Time",
"symbol": "tr/tf",
"kind": "electrical",
"unit": "ns",
"min": 3,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 76,
"source": "datasheet"
},
{
"name": "Rise/Fall Time Imbalance",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": 0,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 76,
"source": "datasheet"
},
{
"name": "Duty Cycle Distortion",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 76,
"source": "datasheet"
},
{
"name": "Overshoot",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 5,
"conditions": "",
"source_page": 76,
"source": "datasheet"
},
{
"name": "Output Jitter (100BASE-TX)",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 0.7,
"max": 1.4,
"conditions": "Peak-to-peak",
"source_page": 76,
"source": "datasheet"
},
{
"name": "Output Jitter (10BASE-T)",
"symbol": "",
"kind": "electrical",
"unit": "ns",
"min": null,
"typ": 1.4,
"max": 11,
"conditions": "Peak-to-peak",
"source_page": 76,
"source": "datasheet"
},
{
"name": "100BASE-TX supply current, single supply",
"symbol": "IDDXIO",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 115,
"max": null,
"conditions": "VDDA_3.3, VDDIO = 3.3V (single power); core from internal 1.8V LDO",
"source_page": 75,
"source": "datasheet"
},
{
"name": "100BASE-TX supply current, external 1.8V",
"symbol": "IDD + IC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 115,
"max": null,
"conditions": "VDDA_3.3, VDDIO = 3.3V; external 1.8V LDO (printed 32 + 83)",
"source_page": 75,
"source": "datasheet"
},
{
"name": "10BASE-T supply current, single supply",
"symbol": "IDDXIO",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 85,
"max": null,
"conditions": "VDDA_3.3, VDDIO = 3.3V; core from internal LDO",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Power Saving Mode current",
"symbol": "IDD3",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 96,
"max": null,
"conditions": "VDDA_3.3, VDDIO = 3.3V; unplug port 1 and 2; Reg 195 bit[1,0]=[1,1]",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Soft Power Down Mode current",
"symbol": "IDD4",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5,
"max": null,
"conditions": "VDDA_3.3, VDDIO = 3.3V; Reg 195 bit[1,0]=[1,0]",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Energy Detect Mode current",
"symbol": "IDD5",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 15,
"max": null,
"conditions": "VDDA_3.3, VDDIO = 3.3V; unplug port 1 and 2; Reg 195 bit[7,0]=0x05",
"source_page": 75,
"source": "datasheet"
},
{
"name": "Squelch Threshold",
"symbol": "VSQ",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 400,
"max": null,
"conditions": "5 MHz square wave",
"source_page": 76,
"source": "datasheet"
},
{
"name": "10BASE-T Peak Differential Output Voltage",
"symbol": "VP",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 2.4,
"max": null,
"conditions": "100Ω termination across differential output",
"source_page": 76,
"source": "datasheet"
},
{
"name": "EEPROM Clock cycle",
"symbol": "tcyc1",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 16384,
"max": null,
"conditions": "",
"source_page": 77,
"source": "datasheet"
},
{
"name": "EEPROM Setup time",
"symbol": "ts1",
"kind": "timing",
"unit": "ns",
"min": 20,
"typ": null,
"max": null,
"conditions": "",
"source_page": 77,
"source": "datasheet"
},
{
"name": "EEPROM Hold time",
"symbol": "th1",
"kind": "timing",
"unit": "ns",
"min": 20,
"typ": null,
"max": null,
"conditions": "",
"source_page": 77,
"source": "datasheet"
},
{
"name": "EEPROM Output valid",
"symbol": "tov1",
"kind": "timing",
"unit": "ns",
"min": 4096,
"typ": 4112,
"max": 4128,
"conditions": "",
"source_page": 77,
"source": "datasheet"
},
{
"name": "Supply Voltage VDDA_1.8, VDDC (abs max)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 2.4,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Supply Voltage VDDA_3.3, VDDIO (abs max)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Input Voltage (abs max)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Output Voltage (abs max)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Lead Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "soldering, 10s",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TS",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "HBM ESD Rating",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -3,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Supply Voltage VDDA_1.8, VDDC",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.66,
"typ": null,
"max": 1.94,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Supply Voltage VDDA_3.3",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 2.5,
"typ": null,
"max": 3.465,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Supply Voltage VDDIO",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": null,
"max": 3.465,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Ambient Temperature (Industrial)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Industrial",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Thermal Resistance LQFP junction-to-ambient",
"symbol": "ΘJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 47.24,
"max": null,
"conditions": "No heat spreader",
"source_page": 74,
"source": "datasheet"
},
{
"name": "Thermal Resistance LQFP junction-to-case",
"symbol": "ΘJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 19.37,
"max": null,
"conditions": "No heat spreader",
"source_page": 74,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ksz8873flli"
],
"discovery_pitch": "KSZ8873FLLI (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ksz8873flli.kicad_sym",
"ksz8873flli.kicad_mod",
"ksz8873flli.glb",
"ksz8873flli.step",
"ksz8873flli.lbr",
"docs/hero.png",
"docs/ksz8873flli-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ksz8873flli-hero.glb",
"ksz8873flli-hero.overlay.json",
"ksz8873flli-etched.glb"
],
"visibility": {
"public": true
}
}