GN1640T

{
  "schema_version": 1,
  "type": "component",
  "slug": "gn1640t",
  "title": "GN1640T",
  "brief": "GN Semic LED Display Drivers, SSOP-28-150mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "gn1640t"
  ],
  "component": {
    "mpn": "GN1640T",
    "manufacturer": "GN Semic",
    "package": "SSOP-28-150mil",
    "pin_count": 28,
    "category": "LED-drv",
    "subcategory": "LED Display Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e33b474954145f9dfab363e67700ecfe.pdf",
    "parts": {
      "symbol": "gn1640t.kicad_sym",
      "footprint": "gn1640t.kicad_mod",
      "model_3d": "gn1640t-etched.glb",
      "model_3d_plain": "gn1640t.glb",
      "model_3d_step": "gn1640t-etched.step",
      "model_3d_step_plain": "gn1640t.step",
      "lbr": "gn1640t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2758330"
    },
    "pins": [
      {
        "number": "1",
        "name": "GRID12",
        "type": "output",
        "description": "Grid (digit) output 12. N-channel open-drain output that sinks common-cathode LED digit current. Max sink current 200 mA (IO2 abs max); typical IOL1 = 120 mA at VOL = 0.3 V."
      },
      {
        "number": "2",
        "name": "GRID13",
        "type": "output",
        "description": "Grid (digit) output 13. N-channel open-drain digit driver for common-cathode LED matrix."
      },
      {
        "number": "3",
        "name": "GRID14",
        "type": "output",
        "description": "Grid (digit) output 14. N-channel open-drain digit driver."
      },
      {
        "number": "4",
        "name": "GRID15",
        "type": "output",
        "description": "Grid (digit) output 15. N-channel open-drain digit driver."
      },
      {
        "number": "5",
        "name": "GRID16",
        "type": "output",
        "description": "Grid (digit) output 16. N-channel open-drain digit driver."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "7",
        "name": "DATA",
        "type": "input",
        "description": "Serial data input for the 2-wire (CLK/DATA) interface. VIH >= 0.7*VDD, VIL <= 0.2*VDD. Data changes only while CLK is low; a high-to-low DATA transition while CLK is high signals START, a low-to-high transition while CLK is high signals STOP."
      },
      {
        "number": "8",
        "name": "CLK",
        "type": "input",
        "description": "Serial clock input for the 2-wire interface. Max clock frequency Fmax = 1 MHz at 50% duty cycle; clock pulse width PWCLK = 400 ns typical; tSETUP = tHOLD = 100 ns."
      },
      {
        "number": "9",
        "name": "SEG1",
        "type": "output",
        "description": "Segment output 1. P-channel open-drain source driver for LED segments. IOH1 = 50 mA typ at VOH = VDD-2 V; abs max IO1 = 50 mA."
      },
      {
        "number": "10",
        "name": "SEG2",
        "type": "output",
        "description": "Segment output 2. P-channel open-drain segment driver."
      },
      {
        "number": "11",
        "name": "SEG3",
        "type": "output",
        "description": "Segment output 3. P-channel open-drain segment driver."
      },
      {
        "number": "12",
        "name": "SEG4",
        "type": "output",
        "description": "Segment output 4. P-channel open-drain segment driver."
      },
      {
        "number": "13",
        "name": "SEG5",
        "type": "output",
        "description": "Segment output 5. P-channel open-drain segment driver."
      },
      {
        "number": "14",
        "name": "SEG6",
        "type": "output",
        "description": "Segment output 6. P-channel open-drain segment driver."
      },
      {
        "number": "15",
        "name": "SEG7",
        "type": "output",
        "description": "Segment output 7. P-channel open-drain segment driver."
      },
      {
        "number": "16",
        "name": "SEG8",
        "type": "output",
        "description": "Segment output 8. P-channel open-drain segment driver."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage. Operating range 3.0 V - 5.5 V, typical 5.0 V. Abs max +7.0 V. Typical quiescent current IDD = 130 uA (no load, VIN = VDD)."
      },
      {
        "number": "18",
        "name": "GRID1",
        "type": "output",
        "description": "Grid (digit) output 1. N-channel open-drain digit driver."
      },
      {
        "number": "19",
        "name": "GRID2",
        "type": "output",
        "description": "Grid (digit) output 2. N-channel open-drain digit driver."
      },
      {
        "number": "20",
        "name": "GRID3",
        "type": "output",
        "description": "Grid (digit) output 3. N-channel open-drain digit driver."
      },
      {
        "number": "21",
        "name": "GRID4",
        "type": "output",
        "description": "Grid (digit) output 4. N-channel open-drain digit driver."
      },
      {
        "number": "22",
        "name": "GRID5",
        "type": "output",
        "description": "Grid (digit) output 5. N-channel open-drain digit driver."
      },
      {
        "number": "23",
        "name": "GRID6",
        "type": "output",
        "description": "Grid (digit) output 6. N-channel open-drain digit driver."
      },
      {
        "number": "24",
        "name": "GRID7",
        "type": "output",
        "description": "Grid (digit) output 7. N-channel open-drain digit driver."
      },
      {
        "number": "25",
        "name": "GRID8",
        "type": "output",
        "description": "Grid (digit) output 8. N-channel open-drain digit driver."
      },
      {
        "number": "26",
        "name": "GRID9",
        "type": "output",
        "description": "Grid (digit) output 9. N-channel open-drain digit driver."
      },
      {
        "number": "27",
        "name": "GRID10",
        "type": "output",
        "description": "Grid (digit) output 10. N-channel open-drain digit driver."
      },
      {
        "number": "28",
        "name": "GRID11",
        "type": "output",
        "description": "Grid (digit) output 11. N-channel open-drain digit driver."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e33b474954145f9dfab363e67700ecfe.pdf",
        "pages": 13,
        "sha256": "ef899cd4b78754dd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -3.5,
        -4.225
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SSOP-28_5.3x10.2mm_P0.65mm@sha256:bbb0d0449b996c0a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gn1640t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gn1640t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "20c5048b037e7c407f728c65ab12007df6af2062dca57113443f6927e830627a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GN Semic",
      "Package": "SSOP-28-150mil",
      "Category": "LED-drv",
      "Pins": "28"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gn1640t"
  ],
  "discovery_pitch": "GN1640T (GN Semic) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gn1640t.kicad_sym",
    "gn1640t.kicad_mod",
    "gn1640t.glb",
    "gn1640t.step",
    "gn1640t-etched.step",
    "gn1640t.lbr",
    "docs/hero.png",
    "docs/gn1640t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GN1640TT",
      "kind": "packaging"
    },
    {
      "mpn": "GN1640T",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T21:07:26.299Z"
}