component
DS110DF111SQE
Public Made by Adomby adom
Texas Instruments Interface - Specialized, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "ds110df111sqe",
"title": "DS110DF111SQE",
"brief": "Texas Instruments Interface - Specialized, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"component": {
"mpn": "DS110DF111SQE",
"manufacturer": "Texas Instruments",
"package": "WQFN-24-EP(4x4)",
"pin_count": 25,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Interface - Specialized",
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
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"mouser": {
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},
"pins": [
{
"number": "1",
"name": "LPF_REF_A",
"type": "passive",
"description": "Loop filter connection; place a 22 nF capacitor in series between LPF_CP_A and LPF_REF_A."
},
{
"number": "2",
"name": "LPF_CP_A",
"type": "passive",
"description": "Loop filter connection; place a 22 nF capacitor in series between LPF_CP_A and LPF_REF_A."
},
{
"number": "3",
"name": "ENSMB",
"type": "input",
"description": "4-level SMBus enable: HIGH selects register access/SMBus slave mode, FLOAT selects SMBus master mode (EEPROM read), LOW selects external pin control mode."
},
{
"number": "4",
"name": "SDA/DEMA",
"type": "bidirectional",
"description": "SMBus data input/open-drain output that requires an external pull-up and is 3.3 V LVCMOS tolerant; in pin control mode (ENSMB = LOW) it sets the CHA output de-emphasis level."
},
{
"number": "5",
"name": "SCL/DEMB",
"type": "bidirectional",
"description": "SMBus clock input in slave mode (open-drain output in master mode), 3.3 V LVCMOS tolerant; in pin control mode (ENSMB = LOW) it sets the CHB output de-emphasis level."
},
{
"number": "6",
"name": "TX_DIS/LBK",
"type": "input",
"description": "4-level input: in SMBus control mode, HIGH disables the OUTB transmitter and LOW enables OUTA/OUTB; in pin control mode it is LBK, which selects the INA/INB-to-OUTA/OUTB routing."
},
{
"number": "7",
"name": "OUTA+",
"type": "output",
"description": "Non-inverting CML-compatible differential output for channel A; outputs require AC coupling."
},
{
"number": "8",
"name": "OUTA-",
"type": "output",
"description": "Inverting CML-compatible differential output for channel A; outputs require AC coupling."
},
{
"number": "9",
"name": "VODA/READEN#",
"type": "input",
"description": "In SMBus master mode READEN# pulled low starts the EEPROM configuration read (must be tied LOW in slave mode); in pin control mode it is a 4-level input that sets the CHA output launch amplitude."
},
{
"number": "10",
"name": "ADDR1/VODB/DONE#",
"type": "bidirectional",
"description": "Strap input read at power-up to set SMBus address bit 1; in SMBus master mode DONE# is driven low when the EEPROM read completes, and in pin control mode it is a 4-level input that sets the CHB output launch amplitude."
},
{
"number": "11",
"name": "INB+",
"type": "input",
"description": "Non-inverting CML-compatible differential input for channel B with an on-chip 100 Ohm termination; inputs require AC coupling (100 nF recommended)."
},
{
"number": "12",
"name": "INB-",
"type": "input",
"description": "Inverting CML-compatible differential input for channel B with an on-chip 100 Ohm termination; inputs require AC coupling (100 nF recommended)."
},
{
"number": "13",
"name": "LOS/INT#",
"type": "output",
"description": "Open-drain output driven LOW when a valid signal is present on CH A and released on loss of signal; can be redefined as INT# driven LOW when the EOM check falls below the HEO/VEO threshold, and requires an external 3.3 V pull-up."
},
{
"number": "14",
"name": "REFCLK_IN",
"type": "input",
"description": "LVCMOS reference clock input for a 25 MHz ±100 ppm clock from an external oscillator."
},
{
"number": "15",
"name": "VIN",
"type": "power_in",
"description": "Regulator input with integrated supply mode control: 3.3 V ±10% in 3.3 V mode, or 2.5 V ±5% in 2.5 V mode."
},
{
"number": "16",
"name": "ADDR0/LOCK",
"type": "bidirectional",
"description": "Strap input read at power-up to set SMBus address bit 0; also the LOCK output, driven HIGH when CDR lock is attained on the corresponding channel."
},
{
"number": "17",
"name": "LPF_CP_B",
"type": "passive",
"description": "Loop filter connection; place a 22 nF capacitor in series between LPF_CP_B and LPF_REF_B."
},
{
"number": "18",
"name": "LPF_REF_B",
"type": "passive",
"description": "Loop filter connection; place a 22 nF capacitor in series between LPF_CP_B and LPF_REF_B."
},
{
"number": "19",
"name": "OUTB-",
"type": "output",
"description": "Inverting CML-compatible differential output for channel B; outputs require AC coupling."
},
{
"number": "20",
"name": "OUTB+",
"type": "output",
"description": "Non-inverting CML-compatible differential output for channel B; outputs require AC coupling."
},
{
"number": "21",
"name": "VDD",
"type": "power_in",
"description": "2.5 V ±5% supply; in 3.3 V mode this pin is the internal regulator output at 2.5 V ±5%."
},
{
"number": "22",
"name": "VDD",
"type": "power_in",
"description": "2.5 V ±5% supply; in 3.3 V mode this pin is the internal regulator output at 2.5 V ±5%."
},
{
"number": "23",
"name": "INA-",
"type": "input",
"description": "Inverting CML-compatible differential input for channel A with an on-chip 100 Ohm termination; inputs require AC coupling (100 nF recommended)."
},
{
"number": "24",
"name": "INA+",
"type": "input",
"description": "Non-inverting CML-compatible differential input for channel A with an on-chip 100 Ohm termination; inputs require AC coupling (100 nF recommended)."
},
{
"number": "25",
"name": "DAP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"consensus_model": "claude-sonnet-5-5",
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet lists the differential pairs as ranges (e.g., OUTA± 7, 8; OUTB± 20, 19; INA± 24, 23; I; The table row lists LPF_REF_A with numbers '2, 1'. The assignment (LPF_CP_A = 2, LPF_REF_A = 1) foll; These pins are shared between SMBus, strap, pin-control and indicator functions. The type shown is f",
"exposed pad 25 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 14,
"cost_usd": 0.1005,
"at": "2026-10-30T23:47:17"
},
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-24-EP(4x4)",
"Category": "Communication Interface Chip/UART/485/232",
"Pins": "25"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Supply Voltage (VDD)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 2.75,
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"conditions": "",
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"source": "datasheet"
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{
"name": "LVCMOS Input/Output Voltage",
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"source_page": 5,
"source": "datasheet"
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{
"name": "SMBus Input/Output Voltage",
"symbol": "",
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"min": -0.5,
"typ": null,
"max": 4,
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"source_page": 5,
"source": "datasheet"
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{
"name": "CML Input Voltage",
"symbol": "",
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"unit": "V",
"min": -0.5,
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"max": null,
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"source_page": 5,
"source": "datasheet"
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{
"name": "CML Input Current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -30,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Storage Temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
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{
"name": "Supply Voltage",
"symbol": "",
"kind": "recommended_operating",
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"min": 2.375,
"typ": 2.5,
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"conditions": "2.5 V Mode",
"source_page": 5,
"source": "datasheet"
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{
"name": "Supply Voltage",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "3.3 V Mode",
"source_page": 5,
"source": "datasheet"
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{
"name": "Ambient Temperature",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": 25,
"max": 85,
"conditions": "",
"source_page": 5,
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{
"name": "SMBus (SDA, SCL) Voltage",
"symbol": "",
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"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "SDA, SCL",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input baud rate",
"symbol": "R_baud",
"kind": "electrical",
"unit": "Gbps",
"min": 8.5,
"typ": null,
"max": 11.3,
"conditions": "Full Rate: DS110DF111",
"source_page": 6,
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},
{
"name": "SMBus Clock Rate (slave mode)",
"symbol": "FSDC",
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"min": 100,
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"source_page": 6,
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{
"name": "SMBus Clock Rate (master mode)",
"symbol": "FSDC",
"kind": "electrical",
"unit": "kHz",
"min": 280,
"typ": 400,
"max": 520,
"conditions": "Master Mode Clock Rate",
"source_page": 6,
"source": "datasheet"
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{
"name": "Whole Device Supply Current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 170,
"conditions": "11.3 Gbps : DS110DF111",
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{
"name": "Whole Device Supply Current",
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"max": 150,
"conditions": "11.3 Gbps : DS110DF111, DFE Disabled",
"source_page": 6,
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{
"name": "Whole Device Maximum Transient Supply Current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 235,
"max": 300,
"conditions": "Default Settings: CHA and CHB, valid input signal detected, CHA and CHB acquiring LOCK",
"source_page": 6,
"source": "datasheet"
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{
"name": "Supply Noise Tolerance",
"symbol": "NTps",
"kind": "electrical",
"unit": "mVp-p",
"min": null,
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"max": 100,
"conditions": "50 Hz to 100 Hz",
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"min": null,
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"conditions": "10 MHz to 5.0 GHz",
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{
"name": "High level input voltage (LVCMOS)",
"symbol": "VIH",
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"min": 1.7,
"typ": null,
"max": null,
"conditions": "2.5 V or 3.3 V Supply Modes; max printed as VIN (not numeric)",
"source_page": 6,
"source": "datasheet"
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{
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"symbol": "VIL",
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"min": null,
"typ": null,
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"conditions": "2.5 V or 3.3 V Supply Modes",
"source_page": 6,
"source": "datasheet"
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{
"name": "High level output voltage (LVCMOS)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "IOH = –3 mA; max printed as VIN (not numeric)",
"source_page": 6,
"source": "datasheet"
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{
"name": "Low level output voltage (LVCMOS)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = 3 mA",
"source_page": 6,
"source": "datasheet"
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{
"name": "Input leakage current (LVCMOS)",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -15,
"typ": null,
"max": 15,
"conditions": "VINPUT = GND or VIN",
"source_page": 6,
"source": "datasheet"
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{
"name": "Input leakage current (4-level inputs)",
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"kind": "electrical",
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"min": -160,
"typ": null,
"max": 80,
"conditions": "VINPUT = GND or VIN",
"source_page": 6,
"source": "datasheet"
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{
"name": "Low level output voltage (open drain LOS/INT#)",
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"typ": null,
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"conditions": "IOL = 3 mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input Return-Loss",
"symbol": "RLRX-IN",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": null,
"max": -19,
"conditions": "SDD11 10 MHz",
"source_page": 6,
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