component
SP330EEY-L
Public Made by Adomby adom
MaxLinear RS232 ICs, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "sp330eey-l",
"title": "SP330EEY-L",
"brief": "MaxLinear RS232 ICs, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
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"interface",
"sp330eey-l",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SP330EEY-L",
"manufacturer": "MaxLinear",
"package": "TSSOP-24",
"pin_count": 24,
"category": "Interface",
"subcategory": "RS232 ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930846917070848",
"parts": {
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"footprint": "sp330eey-l.kicad_mod",
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"model_3d_step": "sp330eey-l-etched.step",
"model_3d_step_plain": "sp330eey-l.step",
"lbr": "sp330eey-l.lbr"
},
"distributor_links": {
"lcsc": "C916084",
"digikey": "1016-1977-ND",
"mouser": "701-SP330EEY-L"
},
"distributor_check": {
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"source": "Component Ocean /api/assign-pns",
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"status": "found",
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},
"pins": [
{
"number": "1",
"name": "C1+",
"type": "passive",
"description": "Positive lead of charge pump capacitor C1, 0.1µF, used with the internal charge pump."
},
{
"number": "2",
"name": "VL",
"type": "power_in",
"description": "Logic supply for TTL inputs and outputs; VL = +1.65V to +5.5V, or tie to VCC."
},
{
"number": "3",
"name": "VCC",
"type": "power_in",
"description": "Main supply, VCC = +3.0V to +5.5V; bypass to ground with 1.0µF."
},
{
"number": "4",
"name": "C1-",
"type": "passive",
"description": "Negative lead of charge pump capacitor C1."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "6",
"name": "T1OUT, B/Z",
"type": "bidirectional",
"description": "RS-232 transmitter 1 output; RS-485 full duplex driver Z (negative output); RS-485 half duplex B/Z negative input/output."
},
{
"number": "7",
"name": "T2OUT, A/Y",
"type": "bidirectional",
"description": "RS-232 transmitter 2 output; RS-485 full duplex driver Y (positive output); RS-485 half duplex A/Y positive input/output."
},
{
"number": "8",
"name": "R1OUT",
"type": "output",
"description": "RS-232 receiver 1 output, logic levels referenced to VL."
},
{
"number": "9",
"name": "R2OUT, RO",
"type": "output",
"description": "RS-232 receiver 2 output; RS-485/422 receiver TTL output, referenced to VL."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "Pin 10 is blank in the datasheet pin description table; no function is stated."
},
{
"number": "11",
"name": "SHDN",
"type": "input",
"description": "Low-power shutdown mode when low."
},
{
"number": "12",
"name": "SLEW",
"type": "input",
"description": "Data rate limited to 250kbps when low; full speed when high."
},
{
"number": "13",
"name": "RS-485/RS-232",
"type": "input",
"description": "Selects RS-485 mode when high and RS-232 mode when low."
},
{
"number": "14",
"name": "HALF/FULL",
"type": "input",
"description": "In RS-485 mode, selects half duplex when low and full duplex when high."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "16",
"name": "R2IN, A",
"type": "input",
"description": "RS-232 receiver 2 input (5kΩ pull-down in RS-232 mode); RS-485/422 receiver A positive input, high impedance (>96kΩ)."
},
{
"number": "17",
"name": "R1IN, B",
"type": "input",
"description": "RS-232 receiver 1 input (5kΩ pull-down in RS-232 mode); RS-485/422 receiver B negative input, high impedance (>96kΩ)."
},
{
"number": "18",
"name": "RE",
"type": "input",
"description": "Receiver enable, active low; the receiver is disabled when high. Figure notes a 300kΩ internal pull-down on this pin."
},
{
"number": "19",
"name": "T2IN, DE",
"type": "input",
"description": "RS-232 transmitter 2 input; RS-485/422 driver enable, driver enabled when high."
},
{
"number": "20",
"name": "T1IN, DI",
"type": "input",
"description": "RS-232 transmitter 1 input; RS-485/422 driver TTL data input."
},
{
"number": "21",
"name": "V-",
"type": "power_out",
"description": "Charge pump negative supply; connect 0.1µF from this pin to ground."
},
{
"number": "22",
"name": "C2-",
"type": "passive",
"description": "Negative lead of charge pump capacitor C2."
},
{
"number": "23",
"name": "C2+",
"type": "passive",
"description": "Positive lead of charge pump capacitor C2, 0.1µF."
},
{
"number": "24",
"name": "V+",
"type": "power_out",
"description": "Charge pump positive supply; connect 0.1µF from this pin to ground."
}
],
"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: The datasheet pin table (page 8) has no name or function for pin 10, so it is listed as NC without a; Pin types are shown as bidirectional because the pins serve as transmitter outputs in RS-232 and ful; Charge pump capacitor pins are typed as passive, since the datasheet does not assign them a logic ty",
"2/24 pins cited to the wrong page (name found elsewhere): ['10:NC@p8', '21:V-@p8']"
],
"pages_sent": 23,
"cost_usd": 0.0874,
"at": "2026-10-19T02:43:07"
},
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"sha256": "cc200df296f1abe1",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
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"models_3d": [
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"role": "plain",
"up": "Z",
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"seat": "z = 0",
"extents_mm": [
6.4,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sp330eey-l-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
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"footprint_binding": "identity",
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},
"metadata": {
"specs": {
"Manufacturer": "MaxLinear",
"Package": "TSSOP-24",
"Category": "Interface",
"Pins": "24"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "cc200df296f1abe16805d409e52934eed94190166775894a8b9adee47306e0a6",
"rows": [
{
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"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
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{
"name": "Logic interface supply voltage (VL) operating",
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{
"name": "Operating temperature range",
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"kind": "recommended_operating",
"unit": "°C",
"min": -40,
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"name": "Supply voltage VCC (absolute maximum)",
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"name": "Voltage at TTL input pins",
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"typ": null,
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"conditions": "",
"source_page": 2,
"source": "datasheet"
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{
"name": "Receiver input voltage (from ground)",
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"name": "Driver output voltage (from ground)",
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"name": "Storage temperature range",
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"min": -65,
"typ": null,
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"source": "datasheet"
},
{
"name": "Lead temperature",
"symbol": "",
"kind": "absolute_maximum",
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"min": null,
"typ": null,
"max": 300,
"conditions": "soldering, 10s",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 900,
"conditions": "24-pin TSSOP, derate 26.0mW/°C above +70°C",
"source_page": 2,
"source": "datasheet"
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{
"name": "Power dissipation derating above +70°C",
"symbol": "",
"kind": "thermal",
"unit": "mW/°C",
"min": null,
"typ": 26,
"max": null,
"conditions": "above +70°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD HBM (TX output and RX input pins)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -15,
"typ": null,
"max": 15,
"conditions": "Human Body Model",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD HBM (all other pins)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -3,
"typ": null,
"max": 3,
"conditions": "Human Body Model",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD IEC 61000-4-2 airgap (TX output and RX input pins)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -15,
"typ": null,
"max": 15,
"conditions": "IEC 61000-4-2 airgap discharge",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD IEC 61000-4-2 contact (TX output and RX input pins)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": -8,
"typ": null,
"max": 8,
"conditions": "IEC 61000-4-2 contact discharge",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply current (RS-232 mode)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1,
"max": 2.5,
"conditions": "No load, Idle inputs, RS-485/RS-232 = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current (RS-485/422 mode)",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.8,
"max": 4.5,
"conditions": "No load, Idle inputs, RS-485/RS-232 = VCC",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VCC shutdown current",
"symbol": "ICC",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.01,
"max": 1,
"conditions": "SHDN = 0V, Receiver inputs open or grounded",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Logic input leakage current",
"symbol": "IINL",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": 0.01,
"max": 1,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Logic input pulldown current",
"symbol": "IINPD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 10,
"max": 50,
"conditions": "RE pin 18, VIN = VL",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Logic input hysteresis",
"symbol": "VHYS",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 200,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Receiver output voltage low",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOUT = 1.5mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Receiver output short circuit current",
"symbol": "IOSS",
"kind": "electrical",
"unit": "mA",
"min": -85,
"typ": 20,
"max": 85,
"conditions": "0 VO VL",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Receiver output leakage current",
"symbol": "IOZ",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": 0.05,
"max": 1,
"conditions": "0 VO VL, Receivers disabled",
"source_page": 3,
"source": "datasheet"
},
{
"name": "RS-232 receiver input voltage range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": -15,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 input threshold low (VCC = 3.3V)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.6,
"max": 1.2,
"conditions": "VCC = 3.3V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 input threshold low (VCC = 5.0V)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.8,
"max": 1.5,
"conditions": "VCC = 5.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 input threshold high (VCC = 3.3V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.5,
"max": 2,
"conditions": "VCC = 3.3V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 input threshold high (VCC = 5.0V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.8,
"max": 2.4,
"conditions": "VCC = 5.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 input hysteresis",
"symbol": "VHYS",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.5,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 input resistance",
"symbol": "RIN",
"kind": "electrical",
"unit": "k",
"min": 3,
"typ": 5,
"max": 7,
"conditions": "-15V VIN +15V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-232 output voltage swing",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": -5.5,
"typ": 5,
"max": 5.5,
"conditions": "Outputs loaded with 3k to Gnd",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output power-off impedance",
"symbol": "ROFF",
"kind": "electrical",
"unit": "Ω",
"min": 300,
"typ": null,
"max": null,
"conditions": "VCC = 0V, VOUT = ±2V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output short circuit current",
"symbol": "ISC",
"kind": "electrical",
"unit": "mA",
"min": -60,
"typ": 30,
"max": 60,
"conditions": "VOUT = 0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output leakage current (RS-232 TX, shutdown)",
"symbol": "IO",
"kind": "electrical",
"unit": "µA",
"min": -125,
"typ": null,
"max": 125,
"conditions": "SHDN = 0V, VOUT = ±9V, VCC = 0V or 5.5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RS-485 receiver input resistance",
"symbol": "RIN",
"kind": "electrical",
"unit": "k",
"min": 96,
"typ": null,
"max": null,
"conditions": "-7V VCM +12V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Receiver input current (VIN = +12V)",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 125,
"conditions": "VIN = +12V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Receiver input current (VIN = -7V)",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -100,
"typ": null,
"max": null,
"conditions": "VIN = -7V",
"source_page": 5,
"source": "datasheet"
},
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