BU8255KVT-E2

{
  "schema_version": 1,
  "type": "component",
  "slug": "bu8255kvt-e2",
  "title": "BU8255KVT-E2",
  "brief": "ROHM Semicon Serializers / Deserializers, TQFP-64(10x10). 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",
    "interface ics",
    "bu8255kvt-e2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BU8255KVT-E2",
    "manufacturer": "ROHM Semicon",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Interface ICs",
    "subcategory": "Serializers / Deserializers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cc29ab5e78ec9724973c87d78676370d.pdf",
    "parts": {
      "symbol": "bu8255kvt-e2.kicad_sym",
      "footprint": "bu8255kvt-e2.kicad_mod",
      "model_3d": "bu8255kvt-e2-hero.glb",
      "model_3d_plain": "bu8255kvt-e2-etched.glb",
      "model_3d_step": "bu8255kvt-e2-etched.step",
      "model_3d_step_plain": "bu8255kvt-e2.step",
      "lbr": "bu8255kvt-e2.lbr"
    },
    "distributor_links": {
      "lcsc": "C308620"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:48:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 878 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the data output driver cells and digital core."
      },
      {
        "number": "2",
        "name": "RESERVE",
        "type": "input",
        "description": "Reserved input that must be Low for normal operation."
      },
      {
        "number": "3",
        "name": "PD",
        "type": "input",
        "description": "Power-down input: H is normal operation, L is power down with all outputs Low."
      },
      {
        "number": "4",
        "name": "OE",
        "type": "input",
        "description": "Output driver enable: H enables outputs, L sets all outputs to Hi-Z."
      },
      {
        "number": "5",
        "name": "R/F",
        "type": "input",
        "description": "Output clock edge select: H latches output data on the rising edge, L on the falling edge."
      },
      {
        "number": "6",
        "name": "RE6",
        "type": "output",
        "description": "LVCMOS data output RE6."
      },
      {
        "number": "7",
        "name": "RE5",
        "type": "output",
        "description": "LVCMOS data output RE5."
      },
      {
        "number": "8",
        "name": "RE4",
        "type": "output",
        "description": "LVCMOS data output RE4."
      },
      {
        "number": "9",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V output driver and digital core supply (recommended 3.0V to 3.6V)."
      },
      {
        "number": "10",
        "name": "RE3",
        "type": "output",
        "description": "LVCMOS data output RE3."
      },
      {
        "number": "11",
        "name": "RE2",
        "type": "output",
        "description": "LVCMOS data output RE2."
      },
      {
        "number": "12",
        "name": "RE1",
        "type": "output",
        "description": "LVCMOS data output RE1."
      },
      {
        "number": "13",
        "name": "RE0",
        "type": "output",
        "description": "LVCMOS data output RE0."
      },
      {
        "number": "14",
        "name": "RD6",
        "type": "output",
        "description": "LVCMOS data output RD6."
      },
      {
        "number": "15",
        "name": "RD5",
        "type": "output",
        "description": "LVCMOS data output RD5."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the data output driver cells and digital core."
      },
      {
        "number": "17",
        "name": "RD4",
        "type": "output",
        "description": "LVCMOS data output RD4."
      },
      {
        "number": "18",
        "name": "RD3",
        "type": "output",
        "description": "LVCMOS data output RD3."
      },
      {
        "number": "19",
        "name": "RD2",
        "type": "output",
        "description": "LVCMOS data output RD2."
      },
      {
        "number": "20",
        "name": "RD1",
        "type": "output",
        "description": "LVCMOS data output RD1."
      },
      {
        "number": "21",
        "name": "RD0",
        "type": "output",
        "description": "LVCMOS data output RD0."
      },
      {
        "number": "22",
        "name": "RC6",
        "type": "output",
        "description": "LVCMOS data output RC6."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V output driver and digital core supply (recommended 3.0V to 3.6V)."
      },
      {
        "number": "24",
        "name": "RC5",
        "type": "output",
        "description": "LVCMOS data output RC5."
      },
      {
        "number": "25",
        "name": "RC4",
        "type": "output",
        "description": "LVCMOS data output RC4."
      },
      {
        "number": "26",
        "name": "RC3",
        "type": "output",
        "description": "LVCMOS data output RC3."
      },
      {
        "number": "27",
        "name": "RC2",
        "type": "output",
        "description": "LVCMOS data output RC2."
      },
      {
        "number": "28",
        "name": "RC1",
        "type": "output",
        "description": "LVCMOS data output RC1."
      },
      {
        "number": "29",
        "name": "RC0",
        "type": "output",
        "description": "LVCMOS data output RC0."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the data output driver cells and digital core."
      },
      {
        "number": "31",
        "name": "CLKOUT",
        "type": "output",
        "description": "LVCMOS level clock output."
      },
      {
        "number": "32",
        "name": "RB6",
        "type": "output",
        "description": "LVCMOS data output RB6."
      },
      {
        "number": "33",
        "name": "RB5",
        "type": "output",
        "description": "LVCMOS data output RB5."
      },
      {
        "number": "34",
        "name": "RB4",
        "type": "output",
        "description": "LVCMOS data output RB4."
      },
      {
        "number": "35",
        "name": "RB3",
        "type": "output",
        "description": "LVCMOS data output RB3."
      },
      {
        "number": "36",
        "name": "RB2",
        "type": "output",
        "description": "LVCMOS data output RB2."
      },
      {
        "number": "37",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V output driver and digital core supply (recommended 3.0V to 3.6V)."
      },
      {
        "number": "38",
        "name": "RB1",
        "type": "output",
        "description": "LVCMOS data output RB1."
      },
      {
        "number": "39",
        "name": "RB0",
        "type": "output",
        "description": "LVCMOS data output RB0."
      },
      {
        "number": "40",
        "name": "RA6",
        "type": "output",
        "description": "LVCMOS data output RA6."
      },
      {
        "number": "41",
        "name": "RA5",
        "type": "output",
        "description": "LVCMOS data output RA5."
      },
      {
        "number": "42",
        "name": "RA4",
        "type": "output",
        "description": "LVCMOS data output RA4."
      },
      {
        "number": "43",
        "name": "RA3",
        "type": "output",
        "description": "LVCMOS data output RA3."
      },
      {
        "number": "44",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the data output driver cells and digital core."
      },
      {
        "number": "45",
        "name": "RA2",
        "type": "output",
        "description": "LVCMOS data output RA2."
      },
      {
        "number": "46",
        "name": "RA1",
        "type": "output",
        "description": "LVCMOS data output RA1."
      },
      {
        "number": "47",
        "name": "RA0",
        "type": "output",
        "description": "LVCMOS data output RA0."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3V output driver and digital core supply (recommended 3.0V to 3.6V)."
      },
      {
        "number": "49",
        "name": "RA-",
        "type": "input",
        "description": "Negative input of the LVDS data differential pair A."
      },
      {
        "number": "50",
        "name": "RA+",
        "type": "input",
        "description": "Positive input of the LVDS data differential pair A."
      },
      {
        "number": "51",
        "name": "RB-",
        "type": "input",
        "description": "Negative input of the LVDS data differential pair B."
      },
      {
        "number": "52",
        "name": "RB+",
        "type": "input",
        "description": "Positive input of the LVDS data differential pair B."
      },
      {
        "number": "53",
        "name": "LVDD",
        "type": "power_in",
        "description": "Power supply for the LVDS inputs (recommended 3.0V to 3.6V)."
      },
      {
        "number": "54",
        "name": "RC-",
        "type": "input",
        "description": "Negative input of the LVDS data differential pair C."
      },
      {
        "number": "55",
        "name": "RC+",
        "type": "input",
        "description": "Positive input of the LVDS data differential pair C."
      },
      {
        "number": "56",
        "name": "RCLK-",
        "type": "input",
        "description": "Negative input of the LVDS clock differential pair."
      },
      {
        "number": "57",
        "name": "RCLK+",
        "type": "input",
        "description": "Positive input of the LVDS clock differential pair."
      },
      {
        "number": "58",
        "name": "LGND",
        "type": "power_in",
        "description": "Ground for the LVDS inputs."
      },
      {
        "number": "59",
        "name": "RD-",
        "type": "input",
        "description": "Negative input of the LVDS data differential pair D."
      },
      {
        "number": "60",
        "name": "RD+",
        "type": "input",
        "description": "Positive input of the LVDS data differential pair D."
      },
      {
        "number": "61",
        "name": "RE-",
        "type": "input",
        "description": "Negative input of the LVDS data differential pair E."
      },
      {
        "number": "62",
        "name": "RE+",
        "type": "input",
        "description": "Positive input of the LVDS data differential pair E."
      },
      {
        "number": "63",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground for the PLL core."
      },
      {
        "number": "64",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power supply for the PLL core (recommended 3.0V to 3.6V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin diagram on page 4 prints RE3 outside the numbered sequence. I assigned RE3 to pin 10 and RE2; The datasheet covers only the TQFP64V package, which is the one the hint names. The '-E2' suffix is "
        ],
        "pages_sent": 17,
        "cost_usd": 0.1612,
        "at": "2026-10-22T22:48:05"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cc29ab5e78ec9724973c87d78676370d.pdf",
        "pages": 17,
        "sha256": "e20dffa918db34c8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bu8255kvt-e2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bu8255kvt-e2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9a5e5c124e267b8c7b014a293ddebe110f9dc26f0a8726cd46cf73a4afbf1106",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "TQFP-64(10x10)",
      "Category": "Interface ICs",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e20dffa918db34c801556b43e924f270839b0c993d3b33d6aac1be5bec42852a",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as VDD+0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as VDD+0.3",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Package power",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "TQFP64V; derating 7.0 mW/℃ at Ta > 25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Package power on PCB",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "TQFP64V mounted on PCB 70×70×1.6 mm FR4; derating 10.0 mW/℃ at Ta > 25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "VDD, LVDD, PVDD",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply noise voltage",
          "symbol": "VNOZ",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "Clock frequency from 8MHz up to 90MHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "Clock frequency from 90MHz up to 112MHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL=4mA (data), IOL=8mA (clock)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current (LVCMOS)",
          "symbol": "IINC",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "0V≤VIN≤VDD",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Differential input high threshold",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VOC=1.2V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Differential input low threshold",
          "symbol": "VTL",
          "kind": "electrical",
          "unit": "mV",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "VOC=1.2V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current (LVDS)",
          "symbol": "IINL",
          "kind": "electrical",
          "unit": "μA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "VIN=2.4V / 0V, VDD=3.6V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Receiver supply current (Gray Scale Pattern)",
          "symbol": "IRCCG",
          "kind": "electrical",
          "unit": "mA",
          "min": 52,
          "typ": null,
          "max": null,
          "conditions": "fCLKOUT=90MHz CL=8pF, VDD=3.3V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver supply current (Worst Case Pattern)",
          "symbol": "IRCCW",
          "kind": "electrical",
          "unit": "mA",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "fCLKOUT=90MHz CL=8pF, VDD=3.3V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver power down supply current",
          "symbol": "IRCCS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "PD=L, OE=L",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "CLKOUT period",
          "symbol": "tRCP",
          "kind": "timing",
          "unit": "ns",
          "min": 8.93,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "LVCMOS data rise time",
          "symbol": "tTLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "LVCMOS data fall time",
          "symbol": "tTHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input data position0",
          "symbol": "tRIP1",
          "kind": "timing",
          "unit": "ns",
          "min": -0.25,
          "typ": 0,
          "max": 0.25,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Phase Locked Loop set time",
          "symbol": "tRPLL",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Clock input period",
          "symbol": "tRCIP",
          "kind": "timing",
          "unit": "ns",
          "min": 8.93,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "BU8255KVT-E2 (ROHM Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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