component
HG24C128M
Public Made by Adomby adom
HGSEMI EEPROM, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877
{
"schema_version": 1,
"type": "component",
"slug": "hg24c128m",
"title": "HG24C128M",
"brief": "HGSEMI EEPROM, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"memory",
"hg24c128m",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "HG24C128M",
"manufacturer": "HGSEMI",
"package": "SOP-8",
"pin_count": 8,
"category": "Memory",
"subcategory": "EEPROM",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8787664684218494976",
"parts": {
"symbol": "hg24c128m.kicad_sym",
"footprint": "hg24c128m.kicad_mod",
"model_3d": "hg24c128m-hero.glb",
"model_3d_plain": "hg24c128m-etched.glb",
"model_3d_step": "hg24c128m-etched.step",
"model_3d_step_plain": "hg24c128m.step",
"lbr": "hg24c128m.lbr"
},
"distributor_links": {
"lcsc": "C19193536"
},
"distributor_check": {
"checked_at": "2026-10-19T06:54:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "E0",
"type": "input",
"description": "Device address input used for hardware addressing (up to 8 devices per bus); if left floating it is internally pulled down to Vss."
},
{
"number": "2",
"name": "E1",
"type": "input",
"description": "Device address input used for hardware addressing (up to 8 devices per bus); if left floating it is internally pulled down to Vss."
},
{
"number": "3",
"name": "E2",
"type": "input",
"description": "Device address input used for hardware addressing (up to 8 devices per bus); if left floating it is internally pulled down to Vss."
},
{
"number": "4",
"name": "Vss",
"type": "power_in",
"description": "Ground reference for the VCC supply voltage."
},
{
"number": "5",
"name": "SDA",
"type": "bidirectional",
"description": "Bidirectional serial data line, open-drain driven, to be pulled high externally and may be wire-OR'ed with other open-drain or open-collector devices."
},
{
"number": "6",
"name": "SCL",
"type": "input",
"description": "Serial clock input; data is clocked in on the positive edge and clocked out on the negative edge of SCL."
},
{
"number": "7",
"name": "WCB",
"type": "input",
"description": "Active-low write control: connecting it to VCC inhibits all write operations, connecting it to Vss allows normal writes, and if left floating it is internally pulled down to Vss."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, specified from 1.7 V to 5.5 V in the DC characteristics (absolute maximum -0.5 V to 6.5 V)."
}
],
"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 SOP-8 pin-1 orientation diagram (Section 1.1 Pin Configuration) is a graphic not present in the ; The VCC min/max limits were taken from the DC characteristics table (Table 3-3) and the absolute max"
],
"pages_sent": 20,
"cost_usd": 0.0663,
"at": "2026-10-19T06:52:05"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8787664684218494976",
"pages": 20,
"sha256": "17783f1cc8fc6b15",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "hg24c128m.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "hg24c128m-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e90af81d8e2778cd9ac1ccd5f4128432ca53e066443cd32275bcc916c5d00263",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HGSEMI",
"Package": "SOP-8",
"Category": "Memory",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "17783f1cc8fc6b1550ef74fa8ad9df57e18ce293aacdfccc8e89b0265871c053",
"rows": [
{
"name": "Storage Temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Ambient operating temperature range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input or output range",
"symbol": "VIO",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DC output current",
"symbol": "IOL",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 5,
"conditions": "SDA=0",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Lead Temperature (soldering)",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 seconds",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input / Output Capacitance (SDA)",
"symbol": "CI/O",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 8,
"conditions": "VI/O= Vss",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Capacitance (E0, E1, E2, WCB, SCL)",
"symbol": "CIN",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": null,
"max": 6,
"conditions": "VIN= Vss",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Voltage (1.7V grade range)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 1.7,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby Current",
"symbol": "Isb",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "Vcc = 3.3V, TA = 85°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby Current",
"symbol": "Isb",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 2,
"conditions": "Vcc = 5.5V, TA = 85°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby Current",
"symbol": "Isb",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 3,
"conditions": "Vcc = 5.5V, TA = 105°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Current (read)",
"symbol": "ICC1",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.2,
"max": 0.4,
"conditions": "Vcc = 5.5V, Read at 400Khz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Current (write)",
"symbol": "ICC2",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.8,
"max": 1.6,
"conditions": "Vcc = 5.5V, Write at 400Khz",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Leakage Current",
"symbol": "ILI",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": 1,
"conditions": "VIN = VCC or Vss",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Leakage Current",
"symbol": "ILO",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.05,
"max": 1,
"conditions": "VOUT = VCC or Vss",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Low Level",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Low Level (SDA)",
"symbol": "VOL1",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "VCC = 1.7V (SDA), IOL = 0.15 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Low Level (SDA)",
"symbol": "VOL2",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "VCC = 3.0V (SDA), IOL = 2.1 mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VCC voltage to fall below for ensuring initialization",
"symbol": "VPWD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.7,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Minimum duration VCC below VPWD for initialization",
"symbol": "tPWD",
"kind": "timing",
"unit": "us",
"min": 300,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VCC(min.) to device operation",
"symbol": "tVSL",
"kind": "timing",
"unit": "us",
"min": null,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "VCC Rise Time",
"symbol": "tVR",
"kind": "timing",
"unit": "us/V",
"min": 1,
"typ": null,
"max": 500000,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Clock Frequency, SCL",
"symbol": "fSCL",
"kind": "timing",
"unit": "kHz",
"min": null,
"typ": null,
"max": 400,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Frequency, SCL",
"symbol": "fSCL",
"kind": "timing",
"unit": "kHz",
"min": null,
"typ": null,
"max": 1000,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Pulse Width Low",
"symbol": "tLOW",
"kind": "timing",
"unit": "µs",
"min": 1.3,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Pulse Width Low",
"symbol": "tLOW",
"kind": "timing",
"unit": "µs",
"min": 0.4,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Pulse Width High",
"symbol": "tHIGH",
"kind": "timing",
"unit": "µs",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Pulse Width High",
"symbol": "tHIGH",
"kind": "timing",
"unit": "µs",
"min": 0.4,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Low to Data Out Valid (min)",
"symbol": "tAA",
"kind": "timing",
"unit": "µs",
"min": 0.05,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Low to Data Out Valid (max)",
"symbol": "tAA",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.9,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Clock Low to Data Out Valid (max)",
"symbol": "tAA",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.55,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Noise Suppression Time",
"symbol": "tI",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Noise Suppression Time",
"symbol": "tI",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.05,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Bus free time before new transmission",
"symbol": "tBUF",
"kind": "timing",
"unit": "µs",
"min": 1.3,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Bus free time before new transmission",
"symbol": "tBUF",
"kind": "timing",
"unit": "µs",
"min": 0.5,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "START Hold Time",
"symbol": "tHD.STA",
"kind": "timing",
"unit": "µs",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "START Hold Time",
"symbol": "tHD.STA",
"kind": "timing",
"unit": "µs",
"min": 0.25,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "START Setup Time",
"symbol": "tSU.STA",
"kind": "timing",
"unit": "µs",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "START Setup Time",
"symbol": "tSU.STA",
"kind": "timing",
"unit": "µs",
"min": 0.25,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Data In Hold Time",
"symbol": "tHD.DAT",
"kind": "timing",
"unit": "µs",
"min": 0,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Data In Setup Time",
"symbol": "tSU.DAT",
"kind": "timing",
"unit": "µs",
"min": 0.1,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Inputs Rise Time",
"symbol": "tR",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Inputs Rise Time",
"symbol": "tR",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Inputs Fall Time",
"symbol": "tF",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Inputs Fall Time",
"symbol": "tF",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "STOP Setup Time",
"symbol": "tSU.STO",
"kind": "timing",
"unit": "µs",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "STOP Setup Time",
"symbol": "tSU.STO",
"kind": "timing",
"unit": "µs",
"min": 0.25,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Data Out Hold Time",
"symbol": "tDH",
"kind": "timing",
"unit": "µs",
"min": 0.05,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "WCB pin Setup Time",
"symbol": "tSU.WCB",
"kind": "timing",
"unit": "µs",
"min": 1.2,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "WCB pin Setup Time",
"symbol": "tSU.WCB",
"kind": "timing",
"unit": "µs",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "WCB pin Hold Time",
"symbol": "tHD.WCB",
"kind": "timing",
"unit": "µs",
"min": 1.2,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "WCB pin Hold Time",
"symbol": "tHD.WCB",
"kind": "timing",
"unit": "µs",
"min": 0.6,
"typ": null,
"max": null,
"conditions": "1.7≤VCC≤5.5 (second column group)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Write Cycle Time",
"symbol": "tWR",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": null,
"max": 5,
"conditions": "1.7≤VCC≤5.5 (first column group)",
"source_page": 6,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"hg24c128m"
],
"discovery_pitch": "HG24C128M (HGSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"hg24c128m.kicad_sym",
"hg24c128m.kicad_mod",
"hg24c128m.glb",
"hg24c128m.step",
"hg24c128m.lbr",
"docs/hero.png",
"docs/hg24c128m-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"hg24c128m-hero.glb",
"hg24c128m-hero.overlay.json",
"hg24c128m-etched.glb"
],
"visibility": {
"public": true
}
}