component
DS90UB924TRHSTQ1
Public Made by Adomby adom
Texas Instruments Serializers / Deserializers, WQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "ds90ub924trhstq1",
"title": "DS90UB924TRHSTQ1",
"brief": "Texas Instruments Serializers / Deserializers, WQFN-48-EP(7x7). 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",
"ds90ub924trhstq1",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "DS90UB924TRHSTQ1",
"manufacturer": "Texas Instruments",
"package": "WQFN-48-EP(7x7)",
"pin_count": 49,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Serializers / Deserializers",
"datasheet": "https://www.ti.com/cn/lit/gpn/ds90ub924-q1",
"parts": {
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"footprint": "ds90ub924trhstq1.kicad_mod",
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"lbr": "ds90ub924trhstq1.lbr"
},
"distributor_links": {
"lcsc": 2652236,
"digikey": "296-DS90UB924TRHSTQ1TR-ND",
"mouser": "595-DS90UB924TRHSTQ1"
},
"distributor_check": {
"checked_at": "2026-10-03T08:41:31Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-DS90UB924TRHSTQ1TR-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-DS90UB924TRHSTQ1",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PDB",
"type": "input",
"description": "Power-down Mode Input Pin; must be driven or pulled up to VDD33; H=normal operation, L=powered down with tri-stated outputs and PLL shutdown."
},
{
"number": "2",
"name": "CAPI2S",
"type": "passive",
"description": "Decoupling capacitor connection for on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "3",
"name": "I2S_DB/GPIO_REG5",
"type": "output",
"description": "I2S Data Output or General Purpose I/O Register 5 (configurable); shared functionality, requires external pulldown when GPIO configured."
},
{
"number": "4",
"name": "SDA",
"type": "bidirectional",
"description": "I2C Data Input/Output Interface with open-drain output; must have external 4.7-kΩ pullup to VDD33, DO NOT FLOAT."
},
{
"number": "5",
"name": "SCL",
"type": "bidirectional",
"description": "I2C Clock Input/Output Interface with open-drain output; must have external 4.7-kΩ pullup to VDD33, DO NOT FLOAT."
},
{
"number": "6",
"name": "VDDIO",
"type": "power_in",
"description": "1.8-V or 3.3-V LVCMOS I/O Power supply; requires 4.7-µF capacitor to GND."
},
{
"number": "7",
"name": "I2S_DA/GPIO_REG6",
"type": "output",
"description": "I2S Data Output or General Purpose I/O Register 6 (configurable); shared functionality."
},
{
"number": "8",
"name": "I2S_CLK/GPIO_REG8",
"type": "output",
"description": "I2S Bit Clock Output or General Purpose I/O Register 8 (configurable); shared functionality."
},
{
"number": "9",
"name": "BISTEN",
"type": "input",
"description": "BIST Enable input; requires 10-kΩ pullup if set HIGH."
},
{
"number": "10",
"name": "I2S_WC/GPIO_REG7",
"type": "output",
"description": "I2S Word Clock Output or General Purpose I/O Register 7 (configurable); shared functionality."
},
{
"number": "11",
"name": "MCLK",
"type": "output",
"description": "I2S Master Clock Output; drives master clock for I2S audio interface."
},
{
"number": "12",
"name": "IDx",
"type": "input",
"description": "Analog I2C Address Select pin; external pullup to VDD33 required under all conditions, DO NOT FLOAT, connect to voltage divider."
},
{
"number": "13",
"name": "GPIO1/SDOUT",
"type": "bidirectional",
"description": "General Purpose I/O or Auxiliary I2S Data Output; shared functionality, LVCMOS with pulldown."
},
{
"number": "14",
"name": "GPIO0/SWC",
"type": "bidirectional",
"description": "General Purpose I/O or Auxiliary I2S Word Clock output; shared functionality, LVCMOS with pulldown."
},
{
"number": "15",
"name": "TxOUT3+",
"type": "output",
"description": "True LVDS Data Output for channel 3; each pair requires external 100-Ω differential termination."
},
{
"number": "16",
"name": "TxOUT3-",
"type": "output",
"description": "Inverting LVDS Data Output for channel 3; each pair requires external 100-Ω differential termination."
},
{
"number": "17",
"name": "TxCLKOUT+",
"type": "output",
"description": "True LVDS Clock Output; pair requires external 100-Ω differential termination for standard LVDS levels."
},
{
"number": "18",
"name": "TxCLKOUT-",
"type": "output",
"description": "Inverting LVDS Clock Output; pair requires external 100-Ω differential termination for standard LVDS levels."
},
{
"number": "19",
"name": "TxOUT2+",
"type": "output",
"description": "True LVDS Data Output for channel 2; each pair requires external 100-Ω differential termination."
},
{
"number": "20",
"name": "TxOUT2-",
"type": "output",
"description": "Inverting LVDS Data Output for channel 2; each pair requires external 100-Ω differential termination."
},
{
"number": "21",
"name": "TxOUT1+",
"type": "output",
"description": "True LVDS Data Output for channel 1; each pair requires external 100-Ω differential termination."
},
{
"number": "22",
"name": "TxOUT1-",
"type": "output",
"description": "Inverting LVDS Data Output for channel 1; each pair requires external 100-Ω differential termination."
},
{
"number": "23",
"name": "TxOUT0+",
"type": "output",
"description": "True LVDS Data Output for channel 0; each pair requires external 100-Ω differential termination."
},
{
"number": "24",
"name": "TxOUT0-",
"type": "output",
"description": "Inverting LVDS Data Output for channel 0; each pair requires external 100-Ω differential termination."
},
{
"number": "25",
"name": "CAPLV25",
"type": "passive",
"description": "Decoupling capacitor connection for on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "26",
"name": "MAPSEL",
"type": "input",
"description": "FPD-Link Output Map Select; MAPSEL=0 LSBs on TxOUT3± (default), MAPSEL=1 MSBs on TxOUT3±; requires 10-kΩ pullup if set HIGH."
},
{
"number": "27",
"name": "LOCK",
"type": "output",
"description": "LOCK Status Output; 0=PLL unlocked with outputs idle, 1=PLL locked with active outputs; float if unused."
},
{
"number": "28",
"name": "PASS",
"type": "output",
"description": "PASS Status Output; 0=BIST errors detected, 1=error-free transmission; float if unused."
},
{
"number": "29",
"name": "CAPLV12",
"type": "passive",
"description": "Decoupling capacitor connection for on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "30",
"name": "OEN",
"type": "input",
"description": "Output Enable input pin; requires 10-kΩ pullup if set HIGH."
},
{
"number": "31",
"name": "VDD33_B",
"type": "power_in",
"description": "3.3-V power supply to on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "32",
"name": "LFMODE",
"type": "input",
"description": "Low Frequency Mode Select; LFMODE=0 (15-96 MHz, default), LFMODE=1 (5-15 MHz); requires 10-kΩ pullup if set HIGH."
},
{
"number": "33",
"name": "CAPL12",
"type": "passive",
"description": "Decoupling capacitor connection for on-chip regulator; requires two 4.7-µF decoupling capacitors to GND."
},
{
"number": "34",
"name": "RES0",
"type": "power_in",
"description": "Reserved pin; must be connected to GND."
},
{
"number": "35",
"name": "OSS_SEL",
"type": "input",
"description": "Output Sleep State Select; requires 10-kΩ pullup if set HIGH."
},
{
"number": "36",
"name": "GPIO3/I2S_DC",
"type": "bidirectional",
"description": "General Purpose I/O or I2S Data Output; shared functionality, LVCMOS with pulldown."
},
{
"number": "37",
"name": "GPIO2/I2S_DD",
"type": "bidirectional",
"description": "General Purpose I/O or I2S Data Output; shared functionality, LVCMOS with pulldown."
},
{
"number": "38",
"name": "VDD33_A",
"type": "power_in",
"description": "3.3-V power supply to on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "39",
"name": "RES1",
"type": "power_in",
"description": "Reserved pin; must be connected to GND."
},
{
"number": "40",
"name": "RIN+",
"type": "bidirectional",
"description": "FPD-Link III True Input; AC-coupled input with 0.1-µF capacitor required."
},
{
"number": "41",
"name": "RIN-",
"type": "bidirectional",
"description": "FPD-Link III Inverting Input; AC-coupled input with 0.1-µF capacitor required."
},
{
"number": "42",
"name": "CMF",
"type": "passive",
"description": "Analog Common Mode Filter; requires 0.1-µF capacitor to GND."
},
{
"number": "43",
"name": "BISTC/INTB_IN",
"type": "input",
"description": "BIST Clock Select or Interrupt Input; shared functionality, LVCMOS with pulldown, requires 10-kΩ pullup if set HIGH."
},
{
"number": "44",
"name": "CMLOUTP",
"type": "output",
"description": "True Loop-through Driver Output; monitor point for equalized forward channel differential signal."
},
{
"number": "45",
"name": "CMLOUTN",
"type": "output",
"description": "Inverting Loop-through Driver Output; monitor point for equalized forward channel differential signal."
},
{
"number": "46",
"name": "CAPR12",
"type": "passive",
"description": "Decoupling capacitor connection for on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "47",
"name": "CAPP12",
"type": "passive",
"description": "Decoupling capacitor connection for on-chip regulator; requires 4.7-µF capacitor to GND."
},
{
"number": "48",
"name": "MODE_SEL",
"type": "input",
"description": "Analog Device Configuration Select; configures Backwards Compatibility, Repeater, I2S 4-channel, and Long Cable modes; connect to voltage divider, DO NOT FLOAT."
},
{
"number": "49",
"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-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pins 36-37 show conflicting assignments in TOP VIEW diagram versus Pin Functions table; table indica; Multiple pins have shared GPIO/I2S functionality that requires register configuration; verify which ; Analog configuration pins IDx and MODE_SEL require external voltage dividers to set device modes; ve",
"exposed pad 49 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 15,
"cost_usd": 0.2306,
"at": "2026-10-03T08:41:01"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/ds90ub924-q1",
"pages": 64,
"sha256": "6450a10ca9afb1ae",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
}
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-48-EP(7x7)",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "49"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ds90ub924trhstq1"
],
"discovery_pitch": "DS90UB924TRHSTQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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