PIC18F14K22-E

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic18f14k22-e",
  "title": "PIC18F14K22-E",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), 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": [
    "component",
    "embedded processors & controllers",
    "pic18f14k22-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC18F14K22-E",
    "manufacturer": "Microchip Tech",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914084595585024",
    "parts": {
      "symbol": "pic18f14k22-e.kicad_sym",
      "footprint": "pic18f14k22-e.kicad_mod",
      "model_3d": "pic18f14k22-e-hero.glb",
      "model_3d_plain": "pic18f14k22-e-etched.glb",
      "model_3d_step": "pic18f14k22-e-etched.step",
      "model_3d_step_plain": "pic18f14k22-e.step",
      "lbr": "pic18f14k22-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C507106"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:36:53Z",
      "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": "PORTA<3> digital input (only when MCLR functionality is disabled); active-low Master Clear with internal pull-up, or high-voltage programming input (VPP)."
      },
      {
        "number": "2",
        "name": "RC5/CCP1/P1A",
        "type": "bidirectional",
        "description": "Digital I/O; ECCP1 capture input or compare/PWM output (CCP1), or Enhanced CCP1 PWM output channel A (P1A)."
      },
      {
        "number": "3",
        "name": "RC4/C2OUT/P1B/SRNQ",
        "type": "bidirectional",
        "description": "Digital I/O; Comparator C2 output, Enhanced CCP1 PWM output channel B (P1B), or SR latch inverted output (SRNQ)."
      },
      {
        "number": "4",
        "name": "RC3/AN7/C12IN3-/P1C/PGM",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 7, Comparator C1/C2 inverting input 3, Enhanced CCP1 PWM output channel C (P1C), or Low-Voltage ICSP programming enable (PGM) when LVP is enabled."
      },
      {
        "number": "5",
        "name": "RC6/AN8/SS",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 8, or SPI slave select input for the MSSP module (TTL input)."
      },
      {
        "number": "6",
        "name": "RC7/AN9/SDO",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 9, or SPI data output from the MSSP module."
      },
      {
        "number": "7",
        "name": "RB7/TX/CK",
        "type": "bidirectional",
        "description": "Digital I/O; EUSART asynchronous transmit output (TX) or EUSART synchronous clock input/output (CK)."
      },
      {
        "number": "8",
        "name": "RB6/SCK/SCL",
        "type": "bidirectional",
        "description": "Digital I/O; SPI clock input/output (SCK) or I2C clock input/output (SCL) for the MSSP module."
      },
      {
        "number": "9",
        "name": "RB5/AN11/RX/DT",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 11, EUSART asynchronous receive (RX), or EUSART synchronous data (DT)."
      },
      {
        "number": "10",
        "name": "RB4/AN10/SDI/SDA",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 10, SPI data input (SDI), or I2C data I/O (SDA) for the MSSP module."
      },
      {
        "number": "11",
        "name": "RC2/AN6/C12IN2-/P1D",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 6, Comparator C1/C2 inverting input 2, or Enhanced CCP1 PWM output channel D (P1D)."
      },
      {
        "number": "12",
        "name": "RC1/AN5/C12IN1-",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 5 or Comparator C1/C2 inverting input 1."
      },
      {
        "number": "13",
        "name": "RC0/AN4/C2IN+",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 4 or Comparator C2 noninverting input."
      },
      {
        "number": "14",
        "name": "RA2/AN2/C1OUT/T0CKI/INT2/SRQ",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 2, Comparator C1 output, Timer0 external clock input (T0CKI), external interrupt 2 (INT2), or SR latch output (SRQ)."
      },
      {
        "number": "15",
        "name": "RA1/AN1/C12IN0-/VREF+/INT1/PGC",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 1, Comparator C1/C2 inverting input 0, ADC and DAC reference voltage (high) input (VREF+), external interrupt 1 (INT1), or ICSP programming clock (PGC)."
      },
      {
        "number": "16",
        "name": "RA0/AN0/CVREF/VREF-/C1IN+/INT0/PGD",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 0, DAC reference voltage output (CVREF/DAC1OUT), ADC and DAC reference voltage (low) input (VREF-), Comparator C1 noninverting input, external interrupt 0 (INT0), or ICSP programming data (PGD)."
      },
      {
        "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."
      },
      {
        "number": "19",
        "name": "RA5/OSC1/CLKIN/T13CKI",
        "type": "bidirectional",
        "description": "Digital I/O; oscillator crystal input or external clock input (OSC1/CLKIN, ST buffer in RC mode), and Timer1/Timer3 external clock input (T13CKI)."
      },
      {
        "number": "20",
        "name": "RA4/AN3/OSC2/CLKOUT",
        "type": "bidirectional",
        "description": "Digital I/O; ADC channel 3, oscillator crystal output (OSC2) in crystal modes, or CLKOUT (instruction cycle clock, 1/4 of OSC1 frequency) in RC mode."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The QFN exposed pad (EP) is shown on the package drawing (page 380) but is not given a pin number or; Pin 1 (RA3/MCLR/VPP) is listed as type input because RA3 has no TRIS bit and is always an input; its; Table 1 and Table 1-2 give the QFN pin numbers for the whole PIC18(L)F1XK22 20-pin family. The text ",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 56,
        "cost_usd": 0.2438,
        "at": "2026-10-18T00:34:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914084595585024",
        "pages": 387,
        "sha256": "21f69d409798287f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pic18f14k22-e-etched.step",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "189ec591a29b816e053646a83a595ae03e7ee56eb1ff2c344482e322a03fc8c9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-20-EP(4x4)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "21f69d409798287f169802dcdc45d0d2b8f4b6632b94ee366fede53697680404",
      "rows": [
        {
          "name": "Voltage on VDD pin with respect to VSS (PIC18F1XK22)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "PIC18F1XK22",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Voltage on MCLR pin with respect to VSS",
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          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Voltage on all other pins with respect to VSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum is VDD + 0.3V",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature under bias",
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          "unit": "°C",
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          "source_page": 319,
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        },
        {
          "name": "Storage temperature",
          "symbol": "",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Maximum current on VSS pin",
          "symbol": "",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "-40°C ≤ TA ≤ +125°C, Extended",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Maximum current on VDD pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "-40°C ≤ TA ≤ +125°C, Extended",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Maximum current sunk by all ports",
          "symbol": "",
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          "unit": "mA",
          "min": null,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Maximum current sourced by all ports",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Maximum output current sunk by any I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sourced by any I/O pin",
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          "unit": "mA",
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          "typ": null,
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          "conditions": "",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Clamp current, IK",
          "symbol": "IK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VPIN < 0 or VPIN > VDD",
          "source_page": 319,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage VDD",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC ≤ 20 MHz",
          "source_page": 324,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage VDD",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC ≤ 64 MHz, 85°C",
          "source_page": 324,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature range TA (extended)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Extended temperature",
          "source_page": 320,
          "source": "datasheet"
        },
        {
          "name": "RAM data retention voltage",
          "symbol": "VDR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "Device in Sleep mode",
          "source_page": 324,
          "source": "datasheet"
        },
        {
          "name": "VDD rise rate to ensure internal Power-on Reset signal",
          "symbol": "SVDD",
          "kind": "electrical",
          "unit": "V/ms",
          "min": 0.05,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 324,
          "source": "datasheet"
        },
        {
          "name": "Power-down base current (IPD)",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 17,
          "max": 55,
          "conditions": "VDD = 2.3V; WDT, BOR, FVR and T1OSC disabled, all peripherals inactive; +125°C",
          "source_page": 332,
          "source": "datasheet"
        },
        {
          "name": "Power-down base current (IPD)",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 18,
          "max": 65,
          "conditions": "VDD = 3.0V; WDT, BOR, FVR and T1OSC disabled, all peripherals inactive; +125°C",
          "source_page": 332,
          "source": "datasheet"
        },
        {
          "name": "Power-down base current (IPD)",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 20,
          "max": 80,
          "conditions": "VDD = 5.0V; WDT, BOR, FVR and T1OSC disabled, all peripherals inactive; +125°C",
          "source_page": 332,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (LFINTOSC)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 28,
          "max": 55,
          "conditions": "VDD = 2.3V, FOSC = 31 kHz (RC_RUN mode, LFINTOSC source); +125°C",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (LFINTOSC)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 32,
          "max": 75,
          "conditions": "VDD = 3.0V, FOSC = 31 kHz (RC_RUN mode, LFINTOSC source); +125°C",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (LFINTOSC)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 40,
          "max": 80,
          "conditions": "VDD = 5.0V, FOSC = 31 kHz (RC_RUN mode, LFINTOSC source); +125°C",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (HFINTOSC 1 MHz)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.45,
          "max": 0.55,
          "conditions": "-40°C to +125°C, VDD = 2.3V, FOSC = 1 MHz (RC_RUN mode, HFINTOSC source)",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (HFINTOSC 1 MHz)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.6,
          "max": 0.82,
          "conditions": "-40°C to +125°C, VDD = 3.0V, FOSC = 1 MHz (RC_RUN mode, HFINTOSC source)",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (HFINTOSC 1 MHz)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": 1,
          "conditions": "-40°C to +125°C, VDD = 5.0V, FOSC = 1 MHz (RC_RUN mode, HFINTOSC source)",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (HF-INTOSC 16 MHz)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.4,
          "max": 3.5,
          "conditions": "-40°C to +125°C, VDD = 2.3V, FOSC = 16 MHz (RC_RUN mode, HF-INTOSC source)",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (HF-INTOSC 16 MHz)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 4.6,
          "conditions": "-40°C to +125°C, VDD = 3.0V (RC_RUN mode, HF-INTOSC source)",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, RC_RUN (HF-INTOSC 16 MHz)",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.7,
          "max": 4.7,
          "conditions": "-40°C to +125°C, VDD = 5.0V (RC_RUN mode, HF-INTOSC source)",
          "source_page": 326,
          "source": "datasheet"
        },
        {
          "name": "External CLKIN frequency (EC, extended range devices)",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 48,
          "conditions": "EC, ECIO Oscillator mode (Extended Range Devices); min printed as DC",
          "source_page": 341,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency, RC mode",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "RC Oscillator mode; min printed as DC",
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          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency, XT mode",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.1,
          "typ": null,
          "max": 4,
          "conditions": "XT Oscillator mode",
          "source_page": 341,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency, HS mode",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 4,
          "typ": null,
          "max": 25,
          "conditions": "HS Oscillator mode",
          "source_page": 341,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency, HS + PLL mode (extended range)",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 4,
          "typ": null,
          "max": 12,
          "conditions": "HS + PLL Oscillator mode (Extended Range Devices)",
          "source_page": 341,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency, LP mode",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 5,
          "typ": null,
          "max": 33,
          "conditions": "LP Oscillator mode",
          "source_page": 341,
          "source": "datasheet"
        },
        {
          "name": "External CLKIN period (EC, extended range devices)",
          "symbol": "TOSC",
          "kind": "timing",
          "unit": "ns",
          "min": 20.8,
          "typ": null,
          "max": null,
          "conditions": "EC, ECIO Oscillator mode (Extended Range Devices)",
          "source_page": 341,
          "source": "datasheet"
        },
        {
          "name": "HFINTOSC calibrated frequency tolerance",
          "symbol": "HFOSC",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "0°C ≤ TA ≤ 60°C",
          "source_page": 342,
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