SY89311UMG-TR

{
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  "type": "component",
  "slug": "sy89311umg-tr",
  "title": "SY89311UMG-TR",
  "brief": "Microchip Tech Buffers / Drivers, MLF-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": [
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    "logic ics",
    "sy89311umg-tr",
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  "component": {
    "mpn": "SY89311UMG-TR",
    "manufacturer": "Microchip Tech",
    "package": "MLF-8",
    "pin_count": 9,
    "category": "Logic ICs",
    "subcategory": "Buffers / Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e4abb4cfc419231c7180de6d370ec60b.pdf",
    "parts": {
      "symbol": "sy89311umg-tr.kicad_sym",
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      "lbr": "sy89311umg-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C632466",
      "digikey": "576-2951-2-ND",
      "mouser": "998-SY89311UMGTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:57:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "576-2951-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "998-SY89311UMGTR",
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      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Q0",
        "type": "output",
        "description": "Differential 100K PECL/ECL output that defaults LOW if the IN inputs are left open; see the Output Interface Applications section for termination recommendations."
      },
      {
        "number": "2",
        "name": "/Q0",
        "type": "output",
        "description": "Complementary differential 100K PECL/ECL output that defaults LOW if the IN inputs are left open; unused output pairs may be left floating without impact on skew or jitter."
      },
      {
        "number": "3",
        "name": "Q1",
        "type": "output",
        "description": "Differential 100K PECL/ECL output that defaults LOW if the IN inputs are left open; unused output pairs may be left floating without impact on skew or jitter."
      },
      {
        "number": "4",
        "name": "/Q1",
        "type": "output",
        "description": "Complementary differential 100K PECL/ECL output that defaults LOW if the IN inputs are left open; unused output pairs may be left floating without impact on skew or jitter."
      },
      {
        "number": "5",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative power supply, and the exposed pad must be tied to the most negative supply; for PECL/LVPECL operation connect to ground."
      },
      {
        "number": "6",
        "name": "/IN",
        "type": "input",
        "description": "Complementary differential PECL/ECL input with internal 75kΩ pull-up and pull-down resistors that defaults to VCC/2 if left floating and may be left open when not used."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "input",
        "description": "Differential PECL/ECL input with internal 75kΩ pull-down resistor that defaults LOW (forcing Q LOW) if left open and accepts differential 10K and 100K ECL/PECL."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply that should be bypassed with 0.1µF//0.01µF low ESR capacitors."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN given (SY89311UMG-TR) does not exactly match any ordering entry in the datasheet. The closes; The pin number for VCC is garbled in the extracted text ('2 5 Positive Power Supply'). It is assigne; The pin table lists pins 1, 2, 3, 4 together with names Q0, /Q0, Q1, /Q1. The one-to-one mapping was",
          "exposed pad 9 added from the footprint"
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        "cost_usd": 0.0406,
        "at": "2026-10-30T16:57:41"
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        "pages": 10,
        "sha256": "bfd6eed520b603ab",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
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      "Package": "MLF-8",
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      "Pins": "9"
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        "quote": "Part Number Package Type Operating Range Package Marking Lead Finish SY89311UMITR MLF-8 Industrial 311 Sn-Pb",
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        "plating": "tin"
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          "name": "Supply Voltage |VCC-VEE| (2.5V)",
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        {
          "name": "Ambient Temperature",
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        {
          "name": "Input Current source or sink on IN, /IN",
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        {
          "name": "Lead Temperature",
          "symbol": "",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering, 20 sec.",
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        {
          "name": "Storage Temperature",
          "symbol": "TS",
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          "unit": "°C",
          "min": -65,
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          "name": "Power Supply Voltage LVPECL (2.5V)",
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          "name": "Input Capacitance",
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          "unit": "pF",
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        {
          "name": "Maximum Toggle Frequency",
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          "unit": "GHz",
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        {
          "name": "Propagation Delay (Differential) IN to Q, /Q",
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