DS1232LPS-2+T&R

{
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  "slug": "ds1232lps-2-t-r",
  "title": "DS1232LPS-2+T&R",
  "brief": "Analog Devices Inc Maxim Integrated Supervisor And Reset ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "ds1232lps-2+t&r",
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  "component": {
    "mpn": "DS1232LPS-2+T&R",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588879933321433088",
    "parts": {
      "symbol": "ds1232lps-2-t-r.kicad_sym",
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      "lbr": "ds1232lps-2-t-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C153219",
      "digikey": "DS1232LPS-2+T&RTR-ND",
      "mouser": "700-DS1232LPS-2T&R"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:47:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DS1232LPS-2+T&RTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "700-DS1232LPS-2T&R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PBRST",
        "type": "input",
        "description": "Pushbutton reset input requires an active-low signal, is internally pulled up to VCC (about 40k typical), and is debounced to generate a reset of at least 250 ms."
      },
      {
        "number": "2",
        "name": "TD",
        "type": "input",
        "description": "Time delay set for the watchdog: tied to GND gives about 150 ms, left unconnected gives about 600 ms, and tied to VCC gives about 1.2 s timeout."
      },
      {
        "number": "3",
        "name": "TOL",
        "type": "input",
        "description": "Selects the VCC detect threshold: tied to GND sets the reset trip at 4.75 V, and tied to VCC sets it at 4.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages on the device."
      },
      {
        "number": "5",
        "name": "RST",
        "type": "output",
        "description": "Reset output, active high, driven to the active state on VCC out-of-tolerance, watchdog timeout, or pushbutton reset, and held active for at least 250 ms."
      },
      {
        "number": "6",
        "name": "RST",
        "type": "output",
        "description": "Reset output, active low, open-drain, driven to the active state on the same reset conditions and held active for at least 250 ms."
      },
      {
        "number": "7",
        "name": "ST",
        "type": "input",
        "description": "Strobe input: a high-to-low transition must occur before watchdog timeout to prevent a reset, with a minimum pulse width tST of 20 ns."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "+5 V supply input, with absolute maximum rating of -0.5 V to +7.0 V relative to ground and recommended operating range of 4.5 V to 5.5 V."
      }
    ],
    "provenance": {
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        "guard_notes": [
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        "at": "2026-10-18T06:46:08"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
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          "kind": "recommended_operating",
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          "typ": 5,
          "max": 5.5,
          "conditions": "0°C to 70°C",
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        {
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          "name": "Low Level @ RST",
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        {
          "name": "Output Current (CMOS)",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
          "max": 50,
          "conditions": "Measured with outputs open and ST and PBRST within 0.5V of supply rails",
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          "symbol": "ICC2",
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          "max": 500,
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          "name": "VCC Trip Point (TOL=GND)",
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          "typ": 4.62,
          "max": 4.74,
          "conditions": "TOL=GND; 0°C to 70°C; VCC=4.5 to 5.5V",
          "source_page": 6,
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        {
          "name": "VCC Trip Point (TOL=VCC)",
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          "kind": "electrical",
          "unit": "V",
          "min": 4.25,
          "typ": 4.37,
          "max": 4.49,
          "conditions": "TOL=VCC; 0°C to 70°C; VCC=4.5 to 5.5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VCC Pin Relative to Ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
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        {
          "name": "Voltage on I/O Relative to Ground",
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          "min": -0.5,
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        {
          "name": "Operating Temperature",
          "symbol": "",
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          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
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        {
          "name": "Storage Temperature",
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          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Soldering Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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          "max": 260,
          "conditions": "for 10 seconds",
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        },
        {
          "name": "PBRST = VIL",
          "symbol": "tPB",
          "kind": "timing",
          "unit": "ms",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "0°C to 70°C; VCC=5V ± 10%",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "RESET Active Time",
          "symbol": "tRST",
          "kind": "timing",
          "unit": "ms",
          "min": 250,
          "typ": 610,
          "max": 1000,
          "conditions": "0°C to 70°C; VCC=5V ± 10%",
          "source_page": 7,
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        },
        {
          "name": "ST Pulse Width",
          "symbol": "tST",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "Must not exceed tTD minimum (Table 1); watchdog cannot be disabled",
          "source_page": 7,
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        },
        {
          "name": "VCC Fail Detect to RST and RST",
          "symbol": "tRPD",
          "kind": "timing",
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          "min": null,
          "typ": 50,
          "max": 175,
          "conditions": "0°C to 70°C; VCC=5V ± 10%",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "VCC Slew Rate 4.75V to 4.25V",
          "symbol": "tF",
          "kind": "timing",
          "unit": "µs",
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          "typ": null,
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          "conditions": "0°C to 70°C; VCC=5V ± 10%",
          "source_page": 7,
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          "name": "VCC Detect to RST and RST Inactive",
          "symbol": "tRPU",
          "kind": "timing",
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          "min": 250,
          "typ": 610,
          "max": 1000,
          "conditions": "tR = 5 µs; 0°C to 70°C; VCC=5V ± 10%",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VCC Slew Rate 4.25V to 4.75V",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
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          "conditions": "0°C to 70°C; VCC=5V ± 10%",
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        {
          "name": "PBRST Stable Low to RST and RST",
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        },
        {
          "name": "Watchdog Time-Out (TD = GND)",
          "symbol": "tTD",
          "kind": "timing",
          "unit": "ms",
          "min": 62.5,
          "typ": 150,
          "max": 250,
          "conditions": "TD connected to GND",
          "source_page": 4,
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        },
        {
          "name": "Watchdog Time-Out (TD Float)",
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          "max": 1000,
          "conditions": "TD left unconnected",
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        {
          "name": "Watchdog Time-Out (TD = VCC)",
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          "kind": "timing",
          "unit": "ms",
          "min": 500,
          "typ": 1200,
          "max": 2000,
          "conditions": "TD connected to VCC",
          "source_page": 4,
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        },
        {
          "name": "Input Capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "tA=25°C",
          "source_page": 6,
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        {
          "name": "Output Capacitance",
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          "kind": "electrical",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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