PFS154-S08

{
  "schema_version": 1,
  "type": "component",
  "slug": "pfs154-s08",
  "title": "PFS154-S08",
  "brief": "PADAUK Tech Microcontrollers (MCU/MPU/SOC), SOP-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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    "embedded processors & controllers",
    "pfs154-s08",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "PFS154-S08",
    "manufacturer": "PADAUK Tech",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884322425823232",
    "parts": {
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      "footprint": "pfs154-s08.kicad_mod",
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      "lbr": "pfs154-s08.lbr"
    },
    "distributor_links": {
      "lcsc": "C317611"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:38:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply; operating range 2.0V to 5.5V, must not exceed 5.5V."
      },
      {
        "number": "2",
        "name": "PA7/X1",
        "type": "bidirectional",
        "description": "Port A bit 7 programmable input/output with weak pull-up, or crystal oscillator X1; clear padier bit 7 to disable the digital input when used as crystal pin to reduce leakage."
      },
      {
        "number": "3",
        "name": "PA6/X2",
        "type": "bidirectional",
        "description": "Port A bit 6 programmable input/output with weak pull-up, or crystal oscillator X2; clear padier bit 6 to disable the digital input when used as crystal pin to reduce leakage."
      },
      {
        "number": "4",
        "name": "PA5/PRST#/PG2PWM",
        "type": "bidirectional",
        "description": "External reset input (PRST#), or Port A bit 5 input/open-drain output with weak pull-up, or PWMG2 output; a 33 ohm series resistor is advised for high noise immunity when used as input."
      },
      {
        "number": "5",
        "name": "PA3/TM2PWM/COM4/CIN1-/PG2PWM",
        "type": "bidirectional",
        "description": "Port A bit 3 input/output with weak pull-up, Timer2 output, comparator negative input 1, LCD COM4 at 1/2 VDD, or PWMG2 output; clear padier bit 3 when used as analog input."
      },
      {
        "number": "6",
        "name": "PA4/COM3/CIN+/CIN4-/PG1PWM",
        "type": "bidirectional",
        "description": "Port A bit 4 input/output with weak pull-up, LCD COM3 at 1/2 VDD, comparator positive input or negative input 4, or PWMG1 output; clear padier bit 4 when used as analog input."
      },
      {
        "number": "7",
        "name": "PA0/INT0/COM2/CO/PG0PWM",
        "type": "bidirectional",
        "description": "Port A bit 0 input/output with weak pull-up, external interrupt 0 on rising and falling edges, comparator output, LCD COM2 at 1/2 VDD, or PWMG0 output."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "pages_sent": 84,
        "cost_usd": 0.701,
        "at": "2026-10-18T04:34:23"
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      "datasheet": {
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        "pages": 84,
        "sha256": "5343a81ee5e4fb70",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
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  "metadata": {
    "specs": {
      "Manufacturer": "PADAUK Tech",
      "Package": "SOP-8",
      "Category": "Embedded Processors & Controllers",
      "Pins": "8"
    },
    "characteristics": {
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          "name": "Operating voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.5,
          "conditions": "Limited by LVR setting",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "LVR low-voltage reset tolerance",
          "symbol": "LVR%",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "System clock fSYS = IHRC/2",
          "symbol": "fSYS",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 8,
          "conditions": "VDD≧3.5V",
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          "name": "System clock fSYS = IHRC/8",
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        {
          "name": "Power-on reset voltage",
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          "typ": 2,
          "max": 2.1,
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          "name": "Operating current, fSYS = IHRC/16",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
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          "name": "Operating current, fSYS = ILRC",
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          "max": 12,
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        {
          "name": "Operating current, fSYS = EOSC (reserved)",
          "symbol": "IOP",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "fSYS=EOSC=32KHz@3V (reserved)",
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        {
          "name": "Power-down mode current (stopsys)",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 0.5,
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        {
          "name": "Power-saving mode current (stopexe, IHRC off)",
          "symbol": "IPS",
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          "typ": null,
          "max": 5,
          "conditions": "VDD=3.3V",
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          "name": "Input low voltage",
          "symbol": "VIL",
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          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
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        {
          "name": "IO output sink current, normal, PA0/PA3/PA4/PB2/PB5/PB6",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "VDD=3.3V, VOL=0.33V",
          "source_page": 15,
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        {
          "name": "IO output sink current, normal, PA6/PA7/PB0/PB1/PB3/PB4/PB7",
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          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": null,
          "max": null,
          "conditions": "VDD=3.3V, VOL=0.33V",
          "source_page": 15,
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        {
          "name": "IO output sink current, normal, PA5",
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          "kind": "electrical",
          "unit": "mA",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "VDD=3.3V, VOL=0.33V",
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        {
          "name": "IO output sink current, low, PA5",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "VDD=3.3V, VOL=0.33V, low mode",
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        {
          "name": "IO output sink current, low, other IO",
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          "kind": "electrical",
          "unit": "mA",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VDD=3.3V, VOL=0.33V, low mode",
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          "name": "IO output drive current, normal",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": -5,
          "typ": null,
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          "name": "IO output drive current, low",
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          "kind": "electrical",
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          "min": -1.6,
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          "max": null,
          "conditions": "VDD=3.3V, VOH=2.97V",
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        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "Pin injection current",
          "symbol": "IINJ (PIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDD+0.3 ≧ VIN ≧ -0.3",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Input pin interrupt pulse width",
          "symbol": "tINT",
          "kind": "timing",
          "unit": "ns",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VDD=3.3V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "IHRC calibrated output frequency",
          "symbol": "fIHRC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 15.84,
          "typ": 16,
          "max": 16.16,
          "conditions": "VDD=5V, Ta=25°C",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "IHRC calibrated output frequency",
          "symbol": "fIHRC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 15.2,
          "typ": null,
          "max": 16.8,
          "conditions": "VDD=2.2V~5.5V, -20°C<Ta<70°C",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "IHRC calibrated output frequency",
          "symbol": "fIHRC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 13.6,
          "typ": null,
          "max": 18.4,
          "conditions": "VDD=2.0V~5.5V, -20°C<Ta<70°C",
          "source_page": 15,
          "source": "datasheet"
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        {
          "name": "Data memory retention voltage",
          "symbol": "VDR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "Power-down mode",
          "source_page": 15,
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        {
          "name": "Power supply (absolute maximum range)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": 2,
          "typ": null,
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          "conditions": "Must not exceed 5.5V or IC may be damaged",
          "source_page": 16,
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        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Range -0.3V to VDD+0.3V",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Operating temperature (absolute maximum range)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 70,
          "conditions": "",
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        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
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        {
          "name": "Junction (node) temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 16,
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        {
          "name": "Comparator offset voltage (design reference)",
          "symbol": "CPos",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 20,
          "conditions": "",
          "source_page": 16,
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        {
          "name": "Comparator common-mode input voltage (design reference)",
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          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
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          "source_page": 16,
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          "name": "Comparator response time",
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          "name": "Comparator mode change settling time",
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          "kind": "timing",
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          "min": 2.5,
          "typ": null,
          "max": 7.5,
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          "name": "Comparator current consumption",
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          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VDD=3.3V",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "External reset pulse width",
          "symbol": "tRST",
          "kind": "timing",
          "unit": "us",
          "min": 120,
          "typ": null,
          "max": null,
          "conditions": "@ VDD=5V",
          "source_page": 15,
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          "name": "System power-on boot time (normal)",
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          "kind": "timing",
          "unit": "ms",
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          "name": "System power-on boot time (fast boot)",
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          "kind": "timing",
          "unit": "us",
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          "name": "Fast wake-up time",
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          "kind": "timing",
          "unit": "TILRC",
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          "typ": 45,
          "max": null,
          "conditions": "misc.5=1 or fast boot",
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          "name": "Normal wake-up time",
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          "name": "Watchdog timeout",
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          "kind": "timing",
          "unit": "TILRC",
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          "name": "Watchdog timeout",
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          "conditions": "misc[1:0]=11",
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          "name": "ILRC system clock (nominal)",
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          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VDD = 3V",
          "source_page": 15,
          "source": "datasheet"
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