NE556DR-MS

{
  "schema_version": 1,
  "type": "component",
  "slug": "ne556dr-ms",
  "title": "NE556DR-MS",
  "brief": "MSKSEMI Timers / Counters, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "clock-timing",
    "ne556dr-ms",
    "factory-2.0.0",
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  "component": {
    "mpn": "NE556DR-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603082505621303296",
    "parts": {
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      "lbr": "ne556dr-ms.lbr"
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    "distributor_links": {
      "lcsc": "C7434190"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T19:03:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Discharge",
        "type": "passive",
        "description": "Discharge pin of timer 1 (open-collector discharge transistor): VDISL is 0.15 to 0.5 V at VCC=15 V and IDISL=15 mA, and off-state leakage is 10 nA at VCC=15 V, VDISH=15 V."
      },
      {
        "number": "2",
        "name": "Threshold",
        "type": "input",
        "description": "Threshold input of timer 1: threshold voltage is 8.8 to 11.2 V at VCC=15 V, and threshold current is 250 nA max at VTH=11.2 V."
      },
      {
        "number": "3",
        "name": "Control Voltage",
        "type": "passive",
        "description": "Control voltage pin of timer 1, which sets the threshold comparator reference: VCont is 8 to 11 V at VCC=15 V (10 V typical) and 2.6 to 4 V at VCC=5 V."
      },
      {
        "number": "4",
        "name": "Reset",
        "type": "input",
        "description": "Active-low reset input of timer 1 (REST low forces OUT low and DISCH on): reset voltage is 0.7 to 1.5 V at VCC=15 V, and reset current is up to 1.0 mA at VRESET=0 V."
      },
      {
        "number": "5",
        "name": "Output",
        "type": "output",
        "description": "Output of timer 1, which sinks up to 200 mA: VOL is 2.7 V max at IOL=200 mA and VCC=15 V, and VOH is 12.0 V min at IOH=-200 mA and VCC=15 V."
      },
      {
        "number": "6",
        "name": "Trigger",
        "type": "input",
        "description": "Trigger input of timer 1: trigger voltage is 4.5 to 5.6 V at VCC=15 V (1.1 to 2.2 V at VCC=5 V), and trigger current is 500 nA max at VTRIG=0 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground shared by both timers."
      },
      {
        "number": "8",
        "name": "Trigger",
        "type": "input",
        "description": "Trigger input of timer 2: trigger voltage is 4.5 to 5.6 V at VCC=15 V (1.1 to 2.2 V at VCC=5 V), and trigger current is 500 nA max at VTRIG=0 V."
      },
      {
        "number": "9",
        "name": "Output",
        "type": "output",
        "description": "Output of timer 2, which sinks up to 200 mA: VOL is 2.7 V max at IOL=200 mA and VCC=15 V, and VOH is 12.0 V min at IOH=-200 mA and VCC=15 V."
      },
      {
        "number": "10",
        "name": "Reset",
        "type": "input",
        "description": "Active-low reset input of timer 2 (REST low forces OUT low and DISCH on): reset voltage is 0.7 to 1.5 V at VCC=15 V, and reset current is up to 1.0 mA at VRESET=0 V."
      },
      {
        "number": "11",
        "name": "Control Voltage",
        "type": "passive",
        "description": "Control voltage pin of timer 2, which sets the threshold comparator reference: VCont is 8 to 11 V at VCC=15 V (10 V typical) and 2.6 to 4 V at VCC=5 V."
      },
      {
        "number": "12",
        "name": "Threshold",
        "type": "input",
        "description": "Threshold input of timer 2: threshold voltage is 8.8 to 11.2 V at VCC=15 V, and threshold current is 250 nA max at VTH=11.2 V."
      },
      {
        "number": "13",
        "name": "Discharge",
        "type": "passive",
        "description": "Discharge pin of timer 2 (open-collector discharge transistor): VDISL is 0.15 to 0.5 V at VCC=15 V and IDISL=15 mA, and off-state leakage is 10 nA at VCC=15 V, VDISH=15 V."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply: operating voltage is 4.5 to 16 V, and the absolute maximum rating is 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: Discharge is an open-collector transistor output; the KiCad class list has no open-collector type, s; The electrical table gives reset current as typ 0.3 uA below min 0.4 uA at VRESET=0.4 V, which is in; The datasheet lists the pin functions and electrical limits in Chinese; the English pin names and de"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0422,
        "at": "2026-10-16T19:03:23"
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        "pages": 8,
        "sha256": "89146d4051869c87",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOP-14",
      "Category": "Clock/Timing",
      "Pins": "14"
    },
    "characteristics": {
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        {
          "name": "Reset voltage",
          "symbol": "VRESET",
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          "min": 0.7,
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        {
          "name": "Reset current",
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          "unit": "uA",
          "min": 0.4,
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          "max": 10,
          "conditions": "VRESET=0.4V, VCC=15V",
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          "name": "Reset current",
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          "min": 0.2,
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        {
          "name": "Discharge transistor leakage current",
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          "name": "Discharge transistor on-voltage",
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        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
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          "conditions": "VCC=15V, IOL=5mA",
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          "name": "Output low voltage",
          "symbol": "VOL",
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          "conditions": "VCC=15V, IOL=50mA",
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          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 2.7,
          "conditions": "VCC=15V, IOL=200mA",
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          "name": "Output low voltage",
          "symbol": "VOL",
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          "max": 0.08,
          "conditions": "VCC=5V, IOL=5mA",
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          "name": "Output low voltage",
          "symbol": "VOL",
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          "max": 0.15,
          "conditions": "VCC=5V, IOL=8mA",
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        {
          "name": "Output high voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 13.3,
          "typ": null,
          "max": null,
          "conditions": "VCC=15V, IOH=-100mA",
          "source_page": 4,
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        },
        {
          "name": "Output high voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 12,
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          "conditions": "VCC=15V, IOH=-200mA",
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        {
          "name": "Output high voltage",
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          "conditions": "VCC=5V, IOH=-100mA",
          "source_page": 4,
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        },
        {
          "name": "Output rise time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCC=15V, CL=15pF",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output fall time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "conditions": "VCC=15V, CL=15pF",
          "source_page": 5,
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        {
          "name": "Initial timing error, monostable",
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          "kind": "tolerance",
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          "min": null,
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          "conditions": "VCC=15V",
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          "name": "Timer1-timer2 initial timing error difference",
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          "name": "Timer1-timer2 voltage sensitivity difference",
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          "conditions": "",
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          "unit": "ppm/℃",
          "min": null,
          "typ": null,
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          "conditions": "VCC=15V, TA=0 to 60℃",
          "source_page": 5,
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          "source_page": 5,
          "source": "datasheet"
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          "name": "Timer1-timer2 temperature sensitivity difference",
          "symbol": "td12t",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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