CD74HC283M96

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  "type": "component",
  "slug": "cd74hc283m96",
  "title": "CD74HC283M96",
  "brief": "Texas Instruments Specialty Logic, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "cd74hc283m96"
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  "component": {
    "mpn": "CD74HC283M96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Specialty Logic",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd54hc283",
    "parts": {
      "symbol": "cd74hc283m96.kicad_sym",
      "footprint": "cd74hc283m96.kicad_mod",
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      "model_3d_plain": "cd74hc283m96.glb",
      "model_3d_step": "cd74hc283m96-etched.step",
      "model_3d_step_plain": "cd74hc283m96.step",
      "lbr": "cd74hc283m96.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "output",
        "description": "Sum output bit 1. Push-pull CMOS output representing bit 1 of the 4-bit sum of A + B + CIN."
      },
      {
        "number": "2",
        "name": "B1",
        "type": "input",
        "description": "Operand B input bit 1. CMOS logic input for bit 1 of the B addend."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "input",
        "description": "Operand A input bit 1. CMOS logic input for bit 1 of the A addend."
      },
      {
        "number": "4",
        "name": "S0",
        "type": "output",
        "description": "Sum output bit 0 (LSB). Push-pull CMOS output representing the least-significant bit of the 4-bit sum."
      },
      {
        "number": "5",
        "name": "A0",
        "type": "input",
        "description": "Operand A input bit 0 (LSB). CMOS logic input for the least-significant bit of the A addend."
      },
      {
        "number": "6",
        "name": "B0",
        "type": "input",
        "description": "Operand B input bit 0 (LSB). CMOS logic input for the least-significant bit of the B addend."
      },
      {
        "number": "7",
        "name": "CIN",
        "type": "input",
        "description": "Carry input. CMOS logic input for the carry-in bit added into the LSB stage. When using positive logic and no carry-in is present, this input must be tied low."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V). Negative supply return."
      },
      {
        "number": "9",
        "name": "COUT",
        "type": "output",
        "description": "Carry output. Push-pull CMOS output that goes active when the 4-bit sum exceeds 15, providing the carry-out for cascading to the next adder stage."
      },
      {
        "number": "10",
        "name": "S3",
        "type": "output",
        "description": "Sum output bit 3 (MSB). Push-pull CMOS output representing the most-significant bit of the 4-bit sum."
      },
      {
        "number": "11",
        "name": "B3",
        "type": "input",
        "description": "Operand B input bit 3 (MSB). CMOS logic input for the most-significant bit of the B addend."
      },
      {
        "number": "12",
        "name": "A3",
        "type": "input",
        "description": "Operand A input bit 3 (MSB). CMOS logic input for the most-significant bit of the A addend."
      },
      {
        "number": "13",
        "name": "S2",
        "type": "output",
        "description": "Sum output bit 2. Push-pull CMOS output representing bit 2 of the 4-bit sum."
      },
      {
        "number": "14",
        "name": "A2",
        "type": "input",
        "description": "Operand A input bit 2. CMOS logic input for bit 2 of the A addend."
      },
      {
        "number": "15",
        "name": "B2",
        "type": "input",
        "description": "Operand B input bit 2. CMOS logic input for bit 2 of the B addend."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. HC types: 2 V to 6 V. HCT types: 4.5 V to 5.5 V. Bypass with a 0.1 uF (and optionally 1 uF) capacitor placed close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd54hc283",
        "pages": 20,
        "sha256": "986ef7f872e3d2c3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "logic": {
      "family_id": "74HC283",
      "logic_family": "74HC",
      "function_code": "283",
      "function_class": "Adder",
      "function_name": "4-Bit Binary Full Adder with Fast Carry",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-07",
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        "checked": "2026-10-19",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "CD74HC283M96",
      "kind": "packaging"
    },
    {
      "mpn": "CD74HC283M96M",
      "kind": "packaging"
    },
    {
      "mpn": "CD74HC283M96MT",
      "kind": "packaging"
    },
    {
      "mpn": "CD74HC283M96E",
      "kind": "packaging"
    },
    {
      "mpn": "CD74HC283M96N",
      "kind": "packaging"
    },
    {
      "mpn": "CD74HC283M96F",
      "kind": "packaging"
    },
    {
      "mpn": "CD74HC283M96J",
      "kind": "packaging"
    }
  ],
  "sections": [
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  "discovery_pitch": "CD74HC283M96 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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  "updated_at": "2026-09-24T18:53:58.914Z"
}