PIC18LF14K22-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic18lf14k22-i",
  "title": "PIC18LF14K22-I",
  "brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-20-EP(4x4). 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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    "single chip microcomputer-microcontroller",
    "pic18lf14k22-i",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "PIC18LF14K22-I",
    "manufacturer": "Microchip Tech",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9b5333e1efcfabae43722a24aec606be.pdf",
    "parts": {
      "symbol": "pic18lf14k22-i.kicad_sym",
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      "model_3d": "pic18lf14k22-i-hero.glb",
      "model_3d_plain": "pic18lf14k22-i-etched.glb",
      "model_3d_step": "pic18lf14k22-i-etched.step",
      "model_3d_step_plain": "pic18lf14k22-i.step",
      "lbr": "pic18lf14k22-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C638197"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:24:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RA3/MCLR/VPP",
        "type": "input",
        "description": "RA3 digital Schmitt-trigger input, active-low Master Clear with internal pull-up, or high-voltage programming input (VPP)."
      },
      {
        "number": "2",
        "name": "RC5/CCP1/P1A",
        "type": "bidirectional",
        "description": "PORTC digital I/O (ST) with Capture 1 input/Compare 1 output/PWM 1 output and Enhanced CCP1 PWM output P1A."
      },
      {
        "number": "3",
        "name": "RC4/C2OUT/P1B/SRNQ",
        "type": "bidirectional",
        "description": "PORTC digital I/O (ST) with Comparator C2 output, Enhanced CCP1 PWM output P1B and SR latch inverted output."
      },
      {
        "number": "4",
        "name": "RC3/AN7/C12IN3-/P1C/PGM",
        "type": "bidirectional",
        "description": "PORTC digital I/O with ADC channel 7, Comparator C1/C2 inverting input 3, ECCP1 PWM output P1C and low-voltage ICSP programming enable (PGM)."
      },
      {
        "number": "5",
        "name": "RC6/AN8/SS",
        "type": "bidirectional",
        "description": "PORTC digital I/O with ADC channel 8 and SPI slave select input."
      },
      {
        "number": "6",
        "name": "RC7/AN9/SDO",
        "type": "bidirectional",
        "description": "PORTC digital I/O with ADC channel 9 and SPI data out."
      },
      {
        "number": "7",
        "name": "RB7/TX/CK",
        "type": "bidirectional",
        "description": "PORTB digital I/O (TTL) with EUSART asynchronous transmit and EUSART synchronous clock; programmable weak pull-up and interrupt-on-change."
      },
      {
        "number": "8",
        "name": "RB6/SCK/SCL",
        "type": "bidirectional",
        "description": "PORTB digital I/O (TTL) with synchronous serial clock input/output for SPI (SCK) and I2C (SCL) modes."
      },
      {
        "number": "9",
        "name": "RB5/AN11/RX/DT",
        "type": "bidirectional",
        "description": "PORTB digital I/O with ADC channel 11, EUSART asynchronous receive and EUSART synchronous data."
      },
      {
        "number": "10",
        "name": "RB4/AN10/SDI/SDA",
        "type": "bidirectional",
        "description": "PORTB digital I/O with ADC channel 10, SPI data in and I2C data I/O."
      },
      {
        "number": "11",
        "name": "RC2/AN6/C12IN2-/P1D",
        "type": "bidirectional",
        "description": "PORTC digital I/O with ADC channel 6, Comparator C1/C2 inverting input 2 and Enhanced CCP1 PWM output P1D."
      },
      {
        "number": "12",
        "name": "RC1/AN5/C12IN1-",
        "type": "bidirectional",
        "description": "PORTC digital I/O with ADC channel 5 and Comparator C1/C2 inverting input 1."
      },
      {
        "number": "13",
        "name": "RC0/AN4/C2IN+",
        "type": "bidirectional",
        "description": "PORTC digital I/O with ADC channel 4 and Comparator C2 noninverting input."
      },
      {
        "number": "14",
        "name": "RA2/AN2/C1OUT/T0CKI/INT2/SRQ",
        "type": "bidirectional",
        "description": "PORTA digital I/O with ADC channel 2, Comparator C1 output, Timer0 external clock input, external interrupt 2 and SR latch output."
      },
      {
        "number": "15",
        "name": "RA1/AN1/C12IN0-/VREF+/INT1/PGC",
        "type": "bidirectional",
        "description": "PORTA digital I/O with ADC channel 1, Comparator C1/C2 inverting input 0, ADC/DAC high reference input, external interrupt 1 and ICSP programming clock."
      },
      {
        "number": "16",
        "name": "RA0/AN0/CVREF/VREF-/C1IN+/INT0/PGD",
        "type": "bidirectional",
        "description": "PORTA digital I/O with ADC channel 0, DAC reference output, ADC/DAC low reference input, Comparator C1 noninverting input, external interrupt 0 and ICSP programming data."
      },
      {
        "number": "17",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "18",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for logic and I/O pins (2.3-5.5V for PIC18F1XK22, 1.8V-3.6V for PIC18LF1XK22)."
      },
      {
        "number": "19",
        "name": "RA5/OSC1/CLKIN/T13CKI",
        "type": "bidirectional",
        "description": "PORTA digital I/O, oscillator crystal input or external clock input, and Timer1/Timer3 external clock input."
      },
      {
        "number": "20",
        "name": "RA4/AN3/OSC2/CLKOUT",
        "type": "bidirectional",
        "description": "PORTA digital I/O with ADC channel 3, oscillator crystal output, or CLKOUT at 1/4 the OSC1 frequency in RC mode."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin tables do not describe the QFN exposed pad (no pin number or connection recommenda; Pin types for multiplexed pins were assigned from the primary digital I/O function; RA3 is input-onl"
        ],
        "pages_sent": 56,
        "cost_usd": 0.465,
        "at": "2026-10-27T01:24:17"
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        "pages": 387,
        "sha256": "21f69d409798287f",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-20-EP(4x4)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "21"
    },
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          "name": "Supply Voltage (PIC18LF1XK22)",
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          "conditions": "FOSC ≤ 64 MHz, ≤ 85°C",
          "source_page": 324,
          "source": "datasheet"
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        {
          "name": "RAM Data Retention Voltage",
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          "kind": "electrical",
          "unit": "V",
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          "max": null,
          "conditions": "Device in Sleep mode",
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          "source": "datasheet"
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        {
          "name": "VDD Rise Rate to ensure internal Power-on Reset signal",
          "symbol": "SVDD",
          "kind": "electrical",
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          "name": "Power-on Reset Release Voltage",
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        {
          "name": "Power-on Reset Rearm Voltage",
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        {
          "name": "Voltage on MCLR pin",
          "symbol": "",
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          "unit": "V",
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          "typ": null,
          "max": 9,
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          "source": "datasheet"
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        {
          "name": "Ambient temperature under bias",
          "symbol": "",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Storage temperature",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 319,
          "source": "datasheet"
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          "symbol": "",
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          "typ": null,
          "max": 250,
          "conditions": "-40°C ≤ TA ≤ +85°C, Industrial",
          "source_page": 319,
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          "name": "Maximum current on VDD pin",
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          "conditions": "-40°C ≤ TA ≤ +85°C, Industrial",
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          "name": "Maximum current sourced by all ports",
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          "conditions": "VPIN < 0 or VPIN > VDD",
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          "name": "Input Low Voltage, I/O ports with TTL buffer",
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          "source_page": 334,
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          "kind": "electrical",
          "unit": "nA",
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          "typ": 5,
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          "conditions": "VSS ≤ VPIN ≤ VDD, Pin at high-impedance, -40°C to 85°C",
          "source_page": 334,
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          "name": "Input Leakage Current, MCLR",
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          "kind": "electrical",
          "unit": "nA",
          "min": -200,
          "typ": 50,
          "max": 200,
          "conditions": "VSS ≤ VPIN ≤ VDD",
          "source_page": 334,
          "source": "datasheet"
        },
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          "name": "PORTB Weak Pull-up Current",
          "symbol": "IPUR",
          "kind": "electrical",
          "unit": "µA",
          "min": 50,
          "typ": 250,
          "max": 400,
          "conditions": "VDD = 5.0V, VPIN = VSS",
          "source_page": 334,
          "source": "datasheet"
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        {
          "name": "Output Low Voltage, I/O ports",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
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          "max": 0.6,
          "conditions": "IOL = 3 mA, VDD = VDDMIN; max printed as VSS+0.6",
          "source_page": 335,
          "source": "datasheet"
        },
        {
          "name": "Output High Voltage, I/O ports",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "IOH = 2 mA, VDD = VDDMIN; min printed as VDD-0.7",
          "source_page": 336,
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        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43,
          "max": null,
          "conditions": "20-pin QFN 4x4mm package",
          "source_page": 338,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance Junction to Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5.3,
          "max": null,
          "conditions": "20-pin QFN 4x4mm package",
          "source_page": 338,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJMAX",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 338,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset Voltage",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.75,
          "typ": 1.9,
          "max": 2.05,
          "conditions": "BORV = 1.9V",
          "source_page": 345,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset Hysteresis",
          "symbol": "VHYST",
          "kind": "electrical",
          "unit": "mV",
          "min": 0,
          "typ": 25,
          "max": 50,
          "conditions": "-40°C to +85°C",
          "source_page": 345,
          "source": "datasheet"
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