CD14538BM96

{
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  "type": "component",
  "slug": "cd14538bm96",
  "title": "CD14538BM96",
  "brief": "Texas Instruments Monostable Multivibrators, SOP-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",
    "cd14538bm96"
  ],
  "component": {
    "mpn": "CD14538BM96",
    "manufacturer": "Texas Instruments",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Monostable Multivibrators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd14538bm96.pdf",
    "parts": {
      "symbol": "cd14538bm96.kicad_sym",
      "footprint": "cd14538bm96.kicad_mod",
      "model_3d": "cd14538bm96-etched.glb",
      "model_3d_plain": "cd14538bm96.glb",
      "model_3d_step": "cd14538bm96-etched.step",
      "model_3d_step_plain": "cd14538bm96.step",
      "lbr": "cd14538bm96.lbr"
    },
    "distributor_links": {
      "lcsc": "C56163"
    },
    "pins": [
      {
        "number": "1",
        "name": "C1",
        "type": "passive",
        "description": "External timing capacitor connection for monostable 1. Connect C_ext between C1 and RC1; pulse width T = RC * C_ext * ln(2) approximately (see datasheet timing equation)."
      },
      {
        "number": "2",
        "name": "RC1",
        "type": "passive",
        "description": "External timing resistor/capacitor node for monostable 1. External R connects from VDD to RC1; C_ext connects between C1 and RC1."
      },
      {
        "number": "3",
        "name": "RESET1",
        "type": "input",
        "description": "Active-low reset input for monostable 1. A low level immediately terminates the output pulse and holds Q1 low."
      },
      {
        "number": "4",
        "name": "+T1",
        "type": "input",
        "description": "Positive-edge trigger input for monostable 1. A low-to-high transition triggers the output pulse when RESET1 is high."
      },
      {
        "number": "5",
        "name": "-T1",
        "type": "input",
        "description": "Negative-edge trigger input for monostable 1. A high-to-low transition triggers the output pulse when RESET1 is high."
      },
      {
        "number": "6",
        "name": "Q1",
        "type": "output",
        "description": "True output of monostable 1. Goes high for the programmed pulse width when triggered; retriggerable and resettable."
      },
      {
        "number": "7",
        "name": "Q1_BAR",
        "type": "output",
        "description": "Complementary (inverted) output of monostable 1. Goes low for the programmed pulse width when triggered."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply reference (0 V)."
      },
      {
        "number": "9",
        "name": "Q2_BAR",
        "type": "output",
        "description": "Complementary (inverted) output of monostable 2. Goes low for the programmed pulse width when triggered."
      },
      {
        "number": "10",
        "name": "Q2",
        "type": "output",
        "description": "True output of monostable 2. Goes high for the programmed pulse width when triggered; retriggerable and resettable."
      },
      {
        "number": "11",
        "name": "-T2",
        "type": "input",
        "description": "Negative-edge trigger input for monostable 2. A high-to-low transition triggers the output pulse when RESET2 is high."
      },
      {
        "number": "12",
        "name": "+T2",
        "type": "input",
        "description": "Positive-edge trigger input for monostable 2. A low-to-high transition triggers the output pulse when RESET2 is high."
      },
      {
        "number": "13",
        "name": "RESET2",
        "type": "input",
        "description": "Active-low reset input for monostable 2. A low level immediately terminates the output pulse and holds Q2 low."
      },
      {
        "number": "14",
        "name": "RC2",
        "type": "passive",
        "description": "External timing resistor/capacitor node for monostable 2. External R connects from VDD to RC2; C_ext connects between C2 and RC2."
      },
      {
        "number": "15",
        "name": "C2",
        "type": "passive",
        "description": "External timing capacitor connection for monostable 2. Connect C_ext between C2 and RC2."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage input. Operating range 3 V to 18 V (CMOS)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd14538bm96.pdf",
        "pages": 19,
        "sha256": "7f39646e79273f97",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "CD4538",
      "logic_family": "CD4000",
      "function_code": "4538",
      "function_class": "Multivibrator",
      "function_name": "Dual Precision Monostable Multivibrator",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd14538bm96-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a9f32f5e11aa6bb3ead69436e3c271d1aae20cde71aa55ba606eab52c09bdffd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOP-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd14538bm96"
  ],
  "discovery_pitch": "CD14538BM96 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
    "page.json",
    "README.md",
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    "cd14538bm96.glb",
    "cd14538bm96.step",
    "cd14538bm96.lbr",
    "docs/hero.png",
    "docs/cd14538bm96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd14538bm96-etched.step"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CD14538BM96",
      "kind": "packaging"
    },
    {
      "mpn": "CD14538BM96M",
      "kind": "packaging"
    },
    {
      "mpn": "CD14538BM96E",
      "kind": "packaging"
    },
    {
      "mpn": "CD14538BM96N",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T18:36:21.491Z"
}