CD4536BPW

{
  "slug": "cd4536bpw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Timers / Counters, TSSOP-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "cd4536bpw",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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  "component": {
    "mpn": "CD4536BPW",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4536b.pdf",
    "parts": {
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      "footprint": "cd4536bpw.kicad_mod",
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      "lbr": "cd4536bpw.lbr"
    },
    "distributor_links": {
      "lcsc": "C1499407",
      "digikey": "296-CD4536BPW-ND",
      "mouser": "595-CD4536BPW"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T22:53:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-CD4536BPW-ND",
        "status": "found"
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      "mouser": {
        "pn": "595-CD4536BPW",
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    },
    "pins": [
      {
        "number": "1",
        "name": "SET",
        "type": "input",
        "description": "Active-high set input; forces all 24 counter flip-flop stages to logic-1 state; overrides RESET; input protected by CMOS protection network."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "input",
        "description": "Active-high reset input; clears all counter stages to logic-0 (all-zeros state); overrides clock and SET; input protected by CMOS protection network."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "On-chip RC oscillator timing node 2; output of the internal inverter chain used with external timing components CT and RT; frequency f ≈ 1/(3·RT·CT)."
      },
      {
        "number": "4",
        "name": "OUT1",
        "type": "output",
        "description": "On-chip RC oscillator timing node 1; output of the internal ring oscillator; connect external timing capacitor CT between this pin and VSS."
      },
      {
        "number": "5",
        "name": "IN1",
        "type": "input",
        "description": "On-chip RC oscillator input; connect series timing resistor RS (RS ≈ 5-10×RT) from this pin to the RC network; also serves as external clock input when OSC INH is high; input protected by CMOS protection network."
      },
      {
        "number": "6",
        "name": "8-BYPASS",
        "type": "input",
        "description": "Active-high bypass input; when high, bypasses the first 8 counter stages so the counter operates as a 16-stage counter through stages 9-24; input protected by CMOS protection network."
      },
      {
        "number": "7",
        "name": "CLOCK_INH",
        "type": "input",
        "description": "Active-high clock inhibit input; when high, prevents clock pulses from advancing the counter; input protected by CMOS protection network."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply voltage (ground) reference terminal; 0 V."
      },
      {
        "number": "9",
        "name": "A",
        "type": "input",
        "description": "Decode-select address bit A (bit 0, LSB) of the 4-bit BCD input; selects which counter stage (2-24) drives the DECODE OUT terminal per the Decode-Out Selection Table."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Decode-select address bit B (bit 1) of the 4-bit BCD input; selects which counter stage drives the DECODE OUT terminal per the Decode-Out Selection Table."
      },
      {
        "number": "11",
        "name": "C",
        "type": "input",
        "description": "Decode-select address bit C (bit 2) of the 4-bit BCD input; selects which counter stage drives the DECODE OUT terminal per the Decode-Out Selection Table."
      },
      {
        "number": "12",
        "name": "D",
        "type": "input",
        "description": "Decode-select address bit D (bit 3, MSB) of the 4-bit BCD input; selects which counter stage drives the DECODE OUT terminal; D=1 selects stages 18-24 in normal mode."
      },
      {
        "number": "13",
        "name": "MONO_IN",
        "type": "input",
        "description": "Monostable mode input; when logic-1, enables one-shot operation so the counter automatically resets to all-0 immediately after DECODE OUT goes high."
      },
      {
        "number": "14",
        "name": "OSC_INH",
        "type": "input",
        "description": "Oscillator inhibit input; when high, disables the on-chip RC oscillator and routes the external clock signal at IN 1 to the counter; input protected by CMOS protection network."
      },
      {
        "number": "15",
        "name": "DECODE_OUT",
        "type": "output",
        "description": "Programmable counter decode output; goes high for one clock period when the counter reaches the stage selected by D, C, B, A; in monostable mode, generates a single pulse and triggers counter reset."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage terminal; operating range 3 V to 18 V, absolute maximum 20 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4536b.pdf",
        "pages": 26,
        "sha256": "a341c156ea46ab0f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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}