main
Ray Set visibility: public f2f1b01 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mic1557ym5-tr",
  "title": "MIC1557YM5-TR",
  "brief": "Microchip Tech Timers / Counters, SOT-23-5. 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",
    "mic1557ym5-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MIC1557YM5-TR",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200154504638464",
    "parts": {
      "symbol": "mic1557ym5-tr.kicad_sym",
      "footprint": "mic1557ym5-tr.kicad_mod",
      "model_3d": "mic1557ym5-tr-hero.glb",
      "model_3d_plain": "mic1557ym5-tr-etched.glb",
      "model_3d_step": "mic1557ym5-tr-etched.step",
      "model_3d_step_plain": "mic1557ym5-tr.step",
      "lbr": "mic1557ym5-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C144169",
      "digikey": "576-1055-2-ND",
      "mouser": "998-MIC1557YM5TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:49:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "576-1055-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "998-MIC1557YM5TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "T/T",
        "type": "input",
        "description": "Trigger/Threshold input, internally connected to both the threshold and trigger functions; it sets the output high when the voltage is at or below 2/3 VS and sets the output low when it is at or above 2/3 VS."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, the supply return."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Chip Select/Reset input, active-high above 2/3 VS; the output is off when CS is low below 1/3 VS, and CS may be connected directly to VS if chip select is not wanted."
      },
      {
        "number": "4",
        "name": "VS",
        "type": "power_in",
        "description": "Supply input, rated +2.7 V to +18 V."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "CMOS totem-pole output."
      }
    ],
    "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: Table 3-3 says CS is active-high above 2/3 VS and the output is off below 1/3 VS, with CS not a plai; Pinout comes from Table 3-3 (MIC1557 SOT-23 and TSOT-23), which covers both the SOT-23-5 (M5) and th"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0756,
        "at": "2026-10-19T02:49:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200154504638464",
        "pages": 24,
        "sha256": "d941678b172561f7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mic1557ym5-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mic1557ym5-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.55
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6dd9f9e31bb03248b1e989bbe69292ff6d58898d956b142b4d86f2722c62a55e",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-23-5",
      "Category": "Clock/Timing",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d941678b172561f77c16e18a3db67368a5f59353b2bd207c1d18eb72d6984bb1",
      "rows": [
        {
          "name": "Supply Current (MIC1557, VS = 5V)",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 255,
          "max": 315,
          "conditions": "MIC1557, VS = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (MIC1557, VS = 15V)",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 370,
          "max": 420,
          "conditions": "MIC1557, VS = 15V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Astable Timing Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "µs",
          "min": 1717,
          "typ": null,
          "max": 2323,
          "conditions": "RA = RB = 10 kΩ, C = 0.1 μF, VS = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Astable Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "RT = 1 kΩ, CT = 47 pF, VS = 8V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/VS",
          "min": 61,
          "typ": 67,
          "max": 72,
          "conditions": "VS = 15V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Trigger Voltage",
          "symbol": "",
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          "unit": "%/VS",
          "min": 27,
          "typ": 32,
          "max": 37,
          "conditions": "VS = 15V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Trigger Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
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          "max": 50,
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        },
        {
          "name": "Threshold Current",
          "symbol": "",
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          "min": null,
          "typ": null,
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        },
        {
          "name": "Chip Select (on)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/VS",
          "min": 50,
          "typ": 67,
          "max": 72,
          "conditions": "On > two-thirds of VS",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Chip Select (off)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/VS",
          "min": 28,
          "typ": 33,
          "max": 50,
          "conditions": "Off < one-third of VS",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Drop (low, sink)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": 1.25,
          "conditions": "VS = 15V, ISINK = 20 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Drop (low, sink)",
          "symbol": "",
          "kind": "electrical",
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          "min": null,
          "typ": 0.08,
          "max": 0.5,
          "conditions": "VS = 5V, ISINK = 20 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Drop (high, source)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 14.1,
          "typ": 14.7,
          "max": null,
          "conditions": "VS = 15V, ISOURCE = 20 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Drop (high, source)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": 4.7,
          "max": null,
          "conditions": "VS = 5V, ISOURCE = 20 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 18,
          "conditions": "Functional Operation (Note 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VS",
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          "min": null,
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          "conditions": "",
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        },
        {
          "name": "Threshold Voltage (absolute maximum)",
          "symbol": "VTHR, VT/T",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Trigger Voltage (absolute maximum)",
          "symbol": "VTGR, VT/T",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
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          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "ESD HBM Rating",
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          "unit": "kV",
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          "typ": null,
          "max": 2,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD MM Rating",
          "symbol": "",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Note 1",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Storage Temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10 sec.",
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          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        },
        {
          "name": "Thermal Resistance, SOT-23-5 / TSOT-23-5 (junction to air)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
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    "breadcrumbs",
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "MIC1557YM5-TR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
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}