component
MAX232ECMT
Public Made by Adomby adom
HGSEMI RS232 ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "MAX232ECMT",
"brief": "HGSEMI RS232 ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"manufacturer": "HGSEMI",
"package": "TSSOP-16",
"pin_count": 16,
"category": "Interface",
"subcategory": "RS232 ICs",
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"lbr": "max232ecmt.lbr"
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"distributor_links": {
"lcsc": "C5310856"
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"distributor_check": {
"checked_at": "2026-10-19T07:44:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
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"mouser": {
"pn": null,
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"pins": [
{
"number": "1",
"name": "C1+",
"type": "passive",
"description": "Connects to the external charge-pump capacitor of the positive voltage multiplier (datasheet: output of external capacitance of positive voltage multiplier unit); no capacitor value is stated in the text."
},
{
"number": "2",
"name": "V+",
"type": "power_out",
"description": "Positive voltage output of the voltage multiplier, specified at 5.0 V minimum under recommended conditions and limited to VCC-0.3 V to 14 V in absolute maximum ratings."
},
{
"number": "3",
"name": "C1-",
"type": "passive",
"description": "Connects to the external charge-pump capacitor of the positive voltage multiplier (datasheet: output of external capacitance of positive voltage multiplier unit); no capacitor value is stated in the text."
},
{
"number": "4",
"name": "C2+",
"type": "passive",
"description": "Connects to the external charge-pump capacitor of the negative voltage multiplier (datasheet: output of external capacitance of negative voltage multiplier unit); no capacitor value is stated in the text."
},
{
"number": "5",
"name": "C2-",
"type": "passive",
"description": "Connects to the external charge-pump capacitor of the negative voltage multiplier (datasheet: output of external capacitance of negative voltage multiplier unit); no capacitor value is stated in the text."
},
{
"number": "6",
"name": "V-",
"type": "power_out",
"description": "Negative voltage output of the voltage multiplier, specified at -5.0 V minimum under recommended conditions and limited to -14 V to -0.3 V in absolute maximum ratings."
},
{
"number": "7",
"name": "T2OUT",
"type": "output",
"description": "RS-232 level transmitter 2 output, delivering at least ±5.0 V into a 3 kΩ load with short-circuit current limited to ±60 mA."
},
{
"number": "8",
"name": "R2IN",
"type": "input",
"description": "RS-232 level receiver 2 input, rated for receiver input voltage of -30 V to +30 V."
},
{
"number": "9",
"name": "R2OUT",
"type": "output",
"description": "TTL/CMOS level receiver 2 output, with VOH at least 3.5 V (IOH = -1.0 mA) and VOL at most 0.4 V (IOL = 3.2 mA) over the rated temperature range."
},
{
"number": "10",
"name": "T2IN",
"type": "input",
"description": "TTL/CMOS level transmitter 2 input, with transmitter input voltage rated from 0 V to VCC."
},
{
"number": "11",
"name": "T1IN",
"type": "input",
"description": "TTL/CMOS level transmitter 1 input, with transmitter input voltage rated from 0 V to VCC."
},
{
"number": "12",
"name": "R1OUT",
"type": "output",
"description": "TTL/CMOS level receiver 1 output, with VOH at least 3.5 V (IOH = -1.0 mA) and VOL at most 0.4 V (IOL = 3.2 mA) over the rated temperature range."
},
{
"number": "13",
"name": "R1IN",
"type": "input",
"description": "RS-232 level receiver 1 input, rated for receiver input voltage of -30 V to +30 V."
},
{
"number": "14",
"name": "T1OUT",
"type": "output",
"description": "RS-232 level transmitter 1 output, delivering at least ±5.0 V into a 3 kΩ load with short-circuit current limited to ±60 mA."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Common ground reference for the device."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Supply pin with recommended supply voltage of 4.5 V to 5.5 V and absolute maximum of -0.3 V to 6.0 V (datasheet pin table labels it 'Supply output of voltage source', which conflicts with its use as a supply)."
}
],
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"primary_model": "claude-haiku-5-5",
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"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin table on page 2 is not labelled per package; the datasheet gives one pin list for all packag; The text for VCC (pin 16) says 'Supply output of voltage source', which conflicts with its function ; The datasheet gives no capacitor value or connection detail for the charge-pump pins beyond the typi",
"3/16 pins cited to the wrong page (name found elsewhere): ['7:T2OUT@p2', '8:R2IN@p2', '9:R2OUT@p2']"
],
"pages_sent": 11,
"cost_usd": 0.0453,
"at": "2026-10-19T07:42:20"
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"metadata": {
"specs": {
"Manufacturer": "HGSEMI",
"Package": "TSSOP-16",
"Category": "Interface",
"Pins": "16"
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"version": 1,
"source": "datasheet",
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"unit": "V",
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"symbol": "ISC",
"kind": "recommended_operating",
"unit": "mA",
"min": -60,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Ambient temperature (MAX232EC)",
"symbol": "Ta",
"kind": "recommended_operating",
"unit": "℃",
"min": 0,
"typ": null,
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"name": "Supply voltage",
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{
"name": "Transmitter high output voltage",
"symbol": "V+",
"kind": "absolute_maximum",
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"min": null,
"typ": null,
"max": 14,
"conditions": "",
"source_page": 3,
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{
"name": "Transmitter low output voltage",
"symbol": "V-",
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{
"name": "Transmitter input voltage",
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"min": -0.3,
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"source_page": 3,
"source": "datasheet"
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{
"name": "Receiver input voltage",
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"kind": "absolute_maximum",
"unit": "V",
"min": -30,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 3,
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{
"name": "Ambient temperature",
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"min": -60,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
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{
"name": "Lead temperature (soldering, 10 s)",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 seconds",
"source_page": 3,
"source": "datasheet"
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{
"name": "Static consumption current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCC=5.5 V, VIL=0 V; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Static consumption current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 14,
"conditions": "VCC=5.5 V, VIL=0 V; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Hysteresis voltage",
"symbol": "Vh",
"kind": "electrical",
"unit": "V",
"min": 0.2,
"typ": null,
"max": 0.9,
"conditions": "VCC=5.0 V; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Hysteresis voltage",
"symbol": "Vh",
"kind": "electrical",
"unit": "V",
"min": 0.2,
"typ": null,
"max": 1,
"conditions": "VCC=5.0 V; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "On (operation) voltage",
"symbol": "VOn",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 2.4,
"conditions": "VO≦0.1 V, IOL≦20 mkA; 25℃",
"source_page": 5,
"source": "datasheet"
},
{
"name": "On (operation) voltage",
"symbol": "VOn",
"kind": "electrical",
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"min": null,
"typ": null,
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"conditions": "VO≦0.1 V, IOL≦20 mkA; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Off (dropout) voltage",
"symbol": "Voff",
"kind": "electrical",
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"conditions": "VO≧VCC -0.1 V, IOH≦-20 mkA; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Off (dropout) voltage",
"symbol": "Voff",
"kind": "electrical",
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"conditions": "VO≧VCC -0.1 V, IOH≦-20 mkA; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Output low voltage",
"symbol": "VOL",
"kind": "electrical",
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"conditions": "IOL = 3.2 мА, VCC = 4.5 V, VIH = 2.4 V; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Output low voltage",
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"conditions": "IOL = 3.2 мА, VCC = 4.5 V, VIH = 2.4 V; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Output high voltage",
"symbol": "VOH",
"kind": "electrical",
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"conditions": "IOH = -1.0 мА, VCC = 4.5 V, VIL = 0.8 V; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Output high voltage",
"symbol": "VOH",
"kind": "electrical",
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"min": 3.5,
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"conditions": "IOH = -1.0 мА, VCC = 4.5 V, VIL = 0.8 V; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Input resistance",
"symbol": "RI",
"kind": "electrical",
"unit": "kOhm",
"min": 3,
"typ": null,
"max": 7,
"conditions": "VCC=5.0 V; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Transmitter output low voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -5.2,
"conditions": "VCC=4.5 V, VIH=2.0 V, RL=3.0 kOhm; 25℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Transmitter output low voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": -5,
"conditions": "VCC=4.5 V, VIH=2.0 V, RL=3.0 kOhm; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Transmitter output high voltage",
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"kind": "electrical",
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"conditions": "VCC=4.5 V, VIL=0.8 V, RL=3.0 kOhm; 25℃",
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{
"name": "Transmitter output high voltage",
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"kind": "electrical",
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"conditions": "VCC=4.5 V, VIL=0.8 V, RL=3.0 kOhm; -40℃ to 85℃",
"source_page": 5,
"source": "datasheet"
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{
"name": "Input low current",
"symbol": "IIL",
"kind": "electrical",
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"min": null,
"typ": null,
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"conditions": "VCC=5.5 V, VIL=0 V; 25℃",
"source_page": 5,
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{
"name": "Input low current",
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"conditions": "VCC=5.5 V, VIL=0 V; -40℃ to 85℃",
"source_page": 5,
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{
"name": "Input high current",
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"name": "Speed of output front change",
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"typ": null,
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"conditions": "VCC=5.0 V, CL=50-1000 pF, RL=3.0-7.0 kOhm; 25℃",
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{
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"name": "Short circuit output current",
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"source": "datasheet"
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{
"name": "Speed of information transmission",
"symbol": "ST",
"kind": "timing",
"unit": "kbit/с",
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"typ": null,
"max": null,
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