component
MAX3222EEWN+
Public Made by Adomby adom
Maxim Integrated Pre-ordered Chips, SOIC-18-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "max3222eewn",
"version": "0.1.0",
"type": "component",
"description": "Maxim Integrated Pre-ordered Chips, SOIC-18-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"max3222eewn+",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"max3222eewn.kicad_sym",
"max3222eewn.kicad_mod",
"max3222eewn.glb",
"max3222eewn.step",
"max3222eewn.lbr",
"docs/hero.png",
"docs/max3222eewn-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"max3222eewn-hero.glb",
"max3222eewn-hero.overlay.json",
"max3222eewn-etched.glb"
],
"component": {
"mpn": "MAX3222EEWN+",
"manufacturer": "Maxim Integrated",
"package": "SOIC-18-300mil",
"pin_count": 18,
"category": "Interface ICs",
"subcategory": "Pre-ordered Chips",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/max3222e-max3246e.pdf",
"parts": {
"symbol": "max3222eewn.kicad_sym",
"footprint": "max3222eewn.kicad_mod",
"model_3d": "max3222eewn-hero.glb",
"model_3d_plain": "max3222eewn-etched.glb",
"model_3d_step": "max3222eewn-etched.step",
"model_3d_step_plain": "max3222eewn.step",
"lbr": "max3222eewn.lbr"
},
"distributor_links": {
"lcsc": "C1543863",
"digikey": "MAX3222EEWN+-ND",
"mouser": "700-MAX3222EEWN"
},
"distributor_check": {
"checked_at": "2026-10-30T23:03:22Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "MAX3222EEWN+-ND",
"status": "found"
},
"mouser": {
"pn": "700-MAX3222EEWN",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "EN",
"type": "input",
"description": "Receiver enable, active low; driving EN high places the receiver outputs into a high-impedance state."
},
{
"number": "2",
"name": "C1+",
"type": "passive",
"description": "Positive terminal of the voltage-doubler charge-pump flying capacitor C1."
},
{
"number": "3",
"name": "V+",
"type": "power_out",
"description": "Doubled charge-pump output of +5.5V generated from VCC, decoupled by reservoir capacitor C3."
},
{
"number": "4",
"name": "C1-",
"type": "passive",
"description": "Negative terminal of the voltage-doubler charge-pump flying capacitor C1."
},
{
"number": "5",
"name": "C2+",
"type": "passive",
"description": "Positive terminal of the inverting charge-pump flying capacitor C2."
},
{
"number": "6",
"name": "C2-",
"type": "passive",
"description": "Negative terminal of the inverting charge-pump flying capacitor C2."
},
{
"number": "7",
"name": "V-",
"type": "power_out",
"description": "Inverting charge-pump output of -5.5V generated internally by the charge pump."
},
{
"number": "8",
"name": "T2OUT",
"type": "output",
"description": "RS-232 transmitter 2 output that may be driven up to ±12V in shutdown and is forced high-impedance when SHDN = GND."
},
{
"number": "9",
"name": "R2IN",
"type": "input",
"description": "RS-232 receiver 2 input with a absolute voltage limit of ±25V to GND."
},
{
"number": "10",
"name": "R2OUT",
"type": "output",
"description": "TTL/CMOS receiver 2 output that is inverting, three-state, and high-impedance when EN is high."
},
{
"number": "11",
"name": "T2IN",
"type": "input",
"description": "TTL/CMOS transmitter 2 input with no pullup resistor; connect unused inputs to GND or VCC."
},
{
"number": "12",
"name": "T1IN",
"type": "input",
"description": "TTL/CMOS transmitter 1 input with no pullup resistor; connect unused inputs to GND or VCC."
},
{
"number": "13",
"name": "R1OUT",
"type": "output",
"description": "TTL/CMOS receiver 1 output that is inverting, three-state, and high-impedance when EN is high."
},
{
"number": "14",
"name": "R1IN",
"type": "input",
"description": "RS-232 receiver 1 input with an absolute voltage limit of ±25V to GND."
},
{
"number": "15",
"name": "T1OUT",
"type": "output",
"description": "RS-232 transmitter 1 output that may be driven up to ±12V in shutdown and is forced high-impedance when SHDN = GND."
},
{
"number": "16",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "17",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, +3.0V to +5.5V."
},
{
"number": "18",
"name": "SHDN",
"type": "input",
"description": "Shutdown control, active low; SHDN = GND disables the transmitters and forces their outputs high-impedance while the MAX3222E receivers stay active."
}
],
"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 Typical Operating Circuit on page 18 for the MAX3222E SO/DIP appears to label VCC as pin 3 and G; The pin description table lists transmitter, receiver and logic pins as grouped rows (T_OUT, R_IN, R; The 18-pin SO pinout is shared with the 18-pin PDIP in the datasheet (both listed as SO/DIP). Pin nu",
"8/18 pins cited to the wrong page (name found elsewhere): ['8:T2OUT@p7', '9:R2IN@p7', '10:R2OUT@p7', '11:T2IN@p7']"
],
"pages_sent": 13,
"cost_usd": 0.1009,
"at": "2026-10-30T23:03:09"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/max3222e-max3246e.pdf",
"pages": 22,
"sha256": "773dd6aa67273c10",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 18,
"described": 18,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
11.55,
2.75
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"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "05ad7d4945131c76ec7b9448dd9cbb5376b56adcd564c58d93e50ca7870fab1f",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "max3222eewn-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"zmin_mm": -0.0,
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"footprint_binding": "identity",
"sha256": "ba0b3087cdafa91b1318697905d40f2c181fd25bc3b53ce316c9bdd82ed5c665",
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}
]
}
}