component
MAX3223EIDBR
Public Made by Adomby adom
Texas Instruments RS232 ICs, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "MAX3223EIDBR",
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"manufacturer": "Texas Instruments",
"package": "SSOP-20-208mil",
"pin_count": 20,
"category": "Interface",
"subcategory": "RS232 ICs",
"datasheet": "https://www.ti.com/cn/lit/gpn/max3223e",
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"distributor_links": {
"lcsc": "C2671362",
"digikey": "296-19841-2-ND",
"mouser": "595-MAX3223EIDBR"
},
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"source": "Component Ocean /api/assign-pns",
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"status": "found",
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"pins": [
{
"number": "1",
"name": "EN",
"type": "input",
"description": "Receiver enable input; high level puts receiver outputs in high impedance, low level enables them (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V)."
},
{
"number": "2",
"name": "C1+",
"type": "passive",
"description": "Positive terminal of charge-pump capacitor C1 (0.1 µF at VCC 3.3 V, 0.047 µF at 5 V)."
},
{
"number": "3",
"name": "V+",
"type": "power_out",
"description": "Positive charge-pump output supply for RS-232 levels, bypassed with a capacitor to GND; abs max 7 V."
},
{
"number": "4",
"name": "C1−",
"type": "passive",
"description": "Negative terminal of charge-pump capacitor C1."
},
{
"number": "5",
"name": "C2+",
"type": "passive",
"description": "Positive terminal of charge-pump capacitor C2."
},
{
"number": "6",
"name": "C2−",
"type": "passive",
"description": "Negative terminal of charge-pump capacitor C2."
},
{
"number": "7",
"name": "V−",
"type": "power_out",
"description": "Negative charge-pump output supply for RS-232 levels, bypassed with a capacitor to GND; abs max −7 V."
},
{
"number": "8",
"name": "DOUT2",
"type": "output",
"description": "RS-232 driver 2 output with ±15 kV HBM ESD protection; output swing at least ±5 V into 3 kΩ."
},
{
"number": "9",
"name": "RIN2",
"type": "input",
"description": "RS-232 receiver 2 input with ±15 kV HBM ESD protection, input range ±25 V, 5 kΩ nominal input resistance."
},
{
"number": "10",
"name": "ROUT2",
"type": "output",
"description": "Logic-level receiver 2 output, high-impedance when EN is high."
},
{
"number": "11",
"name": "INVALID",
"type": "output",
"description": "Valid-signal flag: high when any receiver input is beyond ±2.7 V or in the ±0.3 V band for less than 30 µs, low if within ±0.3 V for more than 30 µs."
},
{
"number": "12",
"name": "DIN2",
"type": "input",
"description": "Logic input for driver 2 (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V)."
},
{
"number": "13",
"name": "DIN1",
"type": "input",
"description": "Logic input for driver 1 (input high level 2 V at VCC 3.3 V, 2.4 V at 5 V, max 5.5 V)."
},
{
"number": "14",
"name": "FORCEON",
"type": "input",
"description": "Drives auto-powerdown control: low with FORCEOFF high enables auto-powerdown, high with FORCEOFF high disables it."
},
{
"number": "15",
"name": "ROUT1",
"type": "output",
"description": "Logic-level receiver 1 output, high-impedance when EN is high."
},
{
"number": "16",
"name": "RIN1",
"type": "input",
"description": "RS-232 receiver 1 input with ±15 kV HBM ESD protection, input range ±25 V, 5 kΩ nominal input resistance."
},
{
"number": "17",
"name": "DOUT1",
"type": "output",
"description": "RS-232 driver 1 output with ±15 kV HBM ESD protection; output swing at least ±5 V into 3 kΩ."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "19",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 3 V to 3.6 V or 4.5 V to 5.5 V recommended (abs max 6 V), bypassed with a ceramic capacitor."
},
{
"number": "20",
"name": "FORCEOFF",
"type": "input",
"description": "Low level powers off drivers (and receivers if EN high) reducing supply current to about 1 µA; high allows operation or auto-powerdown."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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": [],
"pages_sent": 28,
"cost_usd": 0.2044,
"at": "2026-10-07T09:12:25"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/max3223e",
"pages": 28,
"sha256": "45ca048c81e9b2a5",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SSOP-20-208mil",
"Category": "Interface",
"Pins": "20"
}
},
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"author": {
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"email": "[email protected]"
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