component
SL555S
Public Made by Adomby adom
Slkor SLKORMICRO Elec Timers / Counters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493
{
"schema_version": 1,
"type": "component",
"slug": "sl555s",
"title": "SL555S",
"brief": "Slkor SLKORMICRO Elec Timers / Counters, 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",
"clock-timing",
"sl555s",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SL555S",
"manufacturer": "Slkor SLKORMICRO Elec",
"package": "SOP-8",
"pin_count": 8,
"category": "Clock/Timing",
"subcategory": "Timers / Counters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603125082101870592",
"parts": {
"symbol": "sl555s.kicad_sym",
"footprint": "sl555s.kicad_mod",
"model_3d": "sl555s-hero.glb",
"model_3d_plain": "sl555s-etched.glb",
"model_3d_step": "sl555s-etched.step",
"model_3d_step_plain": "sl555s.step",
"lbr": "sl555s.lbr"
},
"distributor_links": {
"lcsc": "C5122571"
},
"distributor_check": {
"checked_at": "2026-10-18T12:15:33Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Power ground (electrical ground reference) for the timer."
},
{
"number": "2",
"name": "Trig",
"type": "input",
"description": "Trigger input that starts the monostable output cycle when its level reaches 1/3 VCC, with a maximum input voltage of VCC."
},
{
"number": "3",
"name": "Output",
"type": "output",
"description": "Timer output with a recommended output current of ±200 mA and an absolute maximum of ±220 mA."
},
{
"number": "4",
"name": "Reset",
"type": "input",
"description": "Reset input with a maximum input voltage of VCC; its high and low threshold levels are specified in the electrical characteristics."
},
{
"number": "5",
"name": "Cont",
"type": "input",
"description": "Control voltage pin with a maximum input voltage of VCC, used to modulate the pulse width or pulse position when driven externally."
},
{
"number": "6",
"name": "Thres",
"type": "input",
"description": "Threshold input with a maximum input voltage of VCC; its threshold voltage and current are specified in the electrical characteristics."
},
{
"number": "7",
"name": "Disch",
"type": "passive",
"description": "Discharge pin connected to the internal discharge transistor, whose off-state leakage is specified with the output high and whose saturation voltage Vdis(sat) is specified in the electrical characteristics."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Positive supply with a recommended range of 4.5 V to 15 V and an absolute maximum of 18 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 datasheet does not state the discharge pin's electrical type; I classified it as passive based o; The datasheet gives a single pin table shared by DIP8 and SOP8 and does not include a separate SOP8 ; The reset and threshold electrical limits are in a garbled multi-column table; only the maximum inpu"
],
"pages_sent": 6,
"cost_usd": 0.0332,
"at": "2026-10-18T12:13:17"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603125082101870592",
"pages": 6,
"sha256": "143cdd2c4c0f4ab8",
"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": "sl555s.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sl555s-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": "ec87b8433b0ab9685b2676797fd887a79fec661964a097d38d5f0df01c4dd280",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Slkor SLKORMICRO Elec",
"Package": "SOP-8",
"Category": "Clock/Timing",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "143cdd2c4c0f4ab86375d76a71749b8b4650b383433e9b94c58e9a8aefcf13a0",
"rows": [
{
"name": "Supply voltage (recommended)",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output current (absolute maximum)",
"symbol": "Io",
"kind": "absolute_maximum",
"unit": "mA",
"min": -220,
"typ": null,
"max": 220,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output current (recommended)",
"symbol": "Io",
"kind": "recommended_operating",
"unit": "mA",
"min": -200,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 400,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -20,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TS",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Soldering temperature",
"symbol": "TW",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "10s",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply voltage (electrical table)",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3,
"max": 6,
"conditions": "VCC =5V, RL =∝, VO=VOL",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.5,
"max": 5,
"conditions": "VCC =5V, RL =∝, VO=VOH",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 8,
"max": 15,
"conditions": "VCC =15V, RL =∝, VO=VOL",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 6,
"max": 13,
"conditions": "VCC =15V, RL =∝, VO=VOH",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Control voltage",
"symbol": "VCL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 10,
"max": 11,
"conditions": "VCC =15V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Control voltage",
"symbol": "VCL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 3.3,
"max": 4,
"conditions": "VCC =5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Threshold voltage",
"symbol": "VTH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 10,
"max": 11.2,
"conditions": "VCC =15V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Threshold voltage",
"symbol": "VTH",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 3.3,
"max": 4.2,
"conditions": "VCC =5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Threshold current",
"symbol": "ITH",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 250,
"conditions": "VCC =15V, VTH =0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Trigger voltage",
"symbol": "VTRIG",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 5,
"max": 5.6,
"conditions": "VCC =15V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Trigger voltage",
"symbol": "VTRIG",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.6,
"max": 2.2,
"conditions": "VCC =5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum Ra+Rb",
"symbol": "Ra+Rb",
"kind": "recommended_operating",
"unit": "MΩ",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCC =15V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum Ra+Rb",
"symbol": "Ra+Rb",
"kind": "recommended_operating",
"unit": "MΩ",
"min": null,
"typ": null,
"max": 3.4,
"conditions": "VCC =5V",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sl555s"
],
"discovery_pitch": "SL555S (Slkor SLKORMICRO Elec) 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",
"sl555s.kicad_sym",
"sl555s.kicad_mod",
"sl555s.glb",
"sl555s.step",
"sl555s.lbr",
"docs/hero.png",
"docs/sl555s-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sl555s-hero.glb",
"sl555s-hero.overlay.json",
"sl555s-etched.glb"
],
"visibility": {
"public": true
}
}