PIC18LF23K22-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic18lf23k22-i",
  "title": "PIC18LF23K22-I",
  "brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-28-EP(6x6). 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",
    "single chip microcomputer-microcontroller",
    "pic18lf23k22-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC18LF23K22-I",
    "manufacturer": "Microchip Tech",
    "package": "QFN-28-EP(6x6)",
    "pin_count": 29,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7b42ddaae6355604045dbdd2576c11e9.pdf",
    "parts": {
      "symbol": "pic18lf23k22-i.kicad_sym",
      "footprint": "pic18lf23k22-i.kicad_mod",
      "model_3d": "pic18lf23k22-i-hero.glb",
      "model_3d_plain": "pic18lf23k22-i-etched.glb",
      "model_3d_step": "pic18lf23k22-i-etched.step",
      "model_3d_step_plain": "pic18lf23k22-i.step",
      "lbr": "pic18lf23k22-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C640037"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:21:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RA2/C2IN+/AN2/DACOUT/VREF-",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as comparator C2 noninverting input, analog input 2, DAC reference output and A/D low reference voltage input."
      },
      {
        "number": "2",
        "name": "RA3/C1IN+/AN3/VREF+",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as comparator C1 noninverting input, analog input 3 and A/D high reference voltage input."
      },
      {
        "number": "3",
        "name": "RA4/CCP5/C1OUT/SRQ/T0CKI",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as CCP5 capture/compare/PWM, comparator C1 output, SR latch Q output and Timer0 external clock input."
      },
      {
        "number": "4",
        "name": "RA5/C2OUT/SRNQ/SS1/HLVDIN/AN4",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as comparator C2 output, SR latch output, MSSP SPI client select input, High/Low-Voltage Detect input and analog input 4."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "6",
        "name": "RA7/CLKI/OSC1",
        "type": "bidirectional",
        "description": "Digital I/O that also serves as external clock source input or oscillator crystal input (ST buffer in RC mode, CMOS otherwise)."
      },
      {
        "number": "7",
        "name": "RA6/CLKO/OSC2",
        "type": "bidirectional",
        "description": "Digital I/O that also serves as oscillator crystal output or, in RC mode, CLKOUT at 1/4 the OSC1 frequency denoting the instruction cycle rate."
      },
      {
        "number": "8",
        "name": "RC0/P2B/T3CKI/T3G/T1CKI/SOSCO",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as Enhanced CCP2 PWM output P2B (alternate), Timer3 clock input, Timer3 gate input, Timer1 clock input and secondary oscillator output."
      },
      {
        "number": "9",
        "name": "RC1/P2A/CCP2/SOSCI",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as Enhanced CCP2 PWM output P2A, CCP2 capture/compare/PWM and secondary oscillator input."
      },
      {
        "number": "10",
        "name": "RC2/CTPLS/P1A/CCP1/T5CKI/AN14",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as CTMU pulse generator output, Enhanced CCP1 PWM output P1A, CCP1 capture/compare/PWM, Timer5 clock input and analog input 14."
      },
      {
        "number": "11",
        "name": "RC3/SCK1/SCL1/AN15",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as MSSP1 SPI clock, I2C clock and analog input 15."
      },
      {
        "number": "12",
        "name": "RC4/SDI1/SDA1/AN16",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as MSSP1 SPI data in, I2C data I/O and analog input 16."
      },
      {
        "number": "13",
        "name": "RC5/SDO1/AN17",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as MSSP1 SPI data out and analog input 17."
      },
      {
        "number": "14",
        "name": "RC6/P3A/CCP3/TX1/CK1/AN18",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as alternate P3A/CCP3, EUSART1 asynchronous transmit, synchronous clock and analog input 18."
      },
      {
        "number": "15",
        "name": "RC7/P3B/RX1/DT1/AN19",
        "type": "bidirectional",
        "description": "Digital I/O with Schmitt Trigger input that also serves as Enhanced CCP3 PWM output P3B, EUSART1 asynchronous receive, synchronous data and analog input 19."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for logic and I/O pins (1.8V to 3.6V operation for PIC18LF devices)."
      },
      {
        "number": "18",
        "name": "RB0/INT0/CCP4/FLT0/SRI/SS2/AN12",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as external interrupt 0, CCP4, ECCP auto-shutdown fault input, SR latch input, MSSP SPI client select and analog input 12."
      },
      {
        "number": "19",
        "name": "RB1/INT1/P1C/SCK2/SCL2/C12IN3-/AN10",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as external interrupt 1, ECCP1 PWM output P1C, MSSP2 SPI/I2C clock, comparator C1/C2 inverting input and analog input 10."
      },
      {
        "number": "20",
        "name": "RB2/INT2/CTED1/P1B/SDI2/SDA2/AN8",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as external interrupt 2, CTMU edge 1 input, ECCP1 PWM output P1B, MSSP2 SPI data in/I2C data I/O and analog input 8."
      },
      {
        "number": "21",
        "name": "RB3/CTED2/P2A/CCP2/SDO2/C12IN2-/AN9",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as CTMU edge 2 input, ECCP2 PWM output P2A, CCP2 (alternate), MSSP2 SPI data out, comparator C1/C2 inverting input and analog input 9."
      },
      {
        "number": "22",
        "name": "RB4/IOC0/P1D/T5G/AN11",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as interrupt-on-change pin, ECCP1 PWM output P1D, Timer5 gate input and analog input 11."
      },
      {
        "number": "23",
        "name": "RB5/IOC1/P2B/P3A/CCP3/T3CKI/T1G/AN13",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as interrupt-on-change pin, default P2B, P3A and CCP3, alternate T3CKI, Timer1 gate input and analog input 13."
      },
      {
        "number": "24",
        "name": "RB6/IOC2/TX2/CK2/PGC",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as interrupt-on-change pin, EUSART2 transmit/clock and In-Circuit Debugger/ICSP programming clock."
      },
      {
        "number": "25",
        "name": "RB7/IOC3/RX2/DT2/PGD",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as interrupt-on-change pin, EUSART2 receive/data and In-Circuit Debugger/ICSP programming data."
      },
      {
        "number": "26",
        "name": "RE3/VPP/MCLR",
        "type": "input",
        "description": "Digital input-only pin, programming voltage input (VPP) and active-low Master Clear (device Reset) input with Schmitt Trigger buffer."
      },
      {
        "number": "27",
        "name": "RA0/C12IN0-/AN0",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as comparators C1 and C2 inverting input and analog input 0."
      },
      {
        "number": "28",
        "name": "RA1/C12IN1-/AN1",
        "type": "bidirectional",
        "description": "Digital I/O with TTL input that also serves as comparators C1 and C2 inverting input and analog input 1."
      },
      {
        "number": "29",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-sonnet-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text gives the 28-pin QFN column of Table 1-2 (shared with UQFN) but does not include ; Table 1-2 pin numbers are shared by QFN and UQFN columns. They were taken as the QFN-28 numbering. T"
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        "cost_usd": 0.8587,
        "at": "2026-10-26T19:21:33"
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        "pages": 539,
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      "pins": {
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        "described": 29,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-28-EP(6x6)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "29"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Supply Voltage (PIC18LF2X/4XK22)",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 417,
          "source": "datasheet"
        },
        {
          "name": "RAM Data Retention Voltage",
          "symbol": "VDR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 417,
          "source": "datasheet"
        },
        {
          "name": "VDD Start Voltage to ensure internal Power-on Reset",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "See section on Power-on Reset for details",
          "source_page": 417,
          "source": "datasheet"
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        {
          "name": "VDD Rise Rate to ensure internal Power-on Reset",
          "symbol": "SVDD",
          "kind": "electrical",
          "unit": "V/ms",
          "min": 0.05,
          "typ": null,
          "max": null,
          "conditions": "See section on Power-on Reset for details",
          "source_page": 417,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset Voltage",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.75,
          "typ": 1.9,
          "max": 2.05,
          "conditions": "BORV<1:0> = 11",
          "source_page": 417,
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        {
          "name": "Brown-out Reset Voltage",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
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          "max": 2.35,
          "conditions": "BORV<1:0> = 10",
          "source_page": 417,
          "source": "datasheet"
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        {
          "name": "Brown-out Reset Voltage",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.35,
          "typ": 2.5,
          "max": 2.65,
          "conditions": "BORV<1:0> = 01",
          "source_page": 417,
          "source": "datasheet"
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        {
          "name": "Brown-out Reset Voltage",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.65,
          "typ": 2.85,
          "max": 3.05,
          "conditions": "BORV<1:0> = 00",
          "source_page": 417,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Standard Operating Conditions",
          "source_page": 417,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 414,
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        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin with respect to VSS (except VDD and MCLR)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3V to (VDD + 0.3V)",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Voltage on MCLR with respect to VSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 11,
          "conditions": "Note 2",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Note 1",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Maximum current out of VSS pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "-40°C to +85°C",
          "source_page": 414,
          "source": "datasheet"
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        {
          "name": "Maximum current out of VSS pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "+85°C to +125°C",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Maximum current into VDD pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "-40°C to +85°C",
          "source_page": 414,
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        {
          "name": "Maximum current into VDD pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "+85°C to +125°C",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VI < 0 or VI > VDD",
          "source_page": 414,
          "source": "datasheet"
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        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VO < 0 or VO > VDD",
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        {
          "name": "Maximum current sunk by all ports",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "-40°C to +85°C",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode power-down base current",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 2,
          "conditions": "VDD = 1.8V, typ +25°C, max +85°C; WDT, BOR, FVR and SOSC disabled",
          "source_page": 418,
          "source": "datasheet"
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        {
          "name": "Sleep mode power-down base current",
          "symbol": "IPD",
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          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 10,
          "conditions": "VDD = 1.8V, typ +25°C, max +125°C; WDT, BOR, FVR and SOSC disabled",
          "source_page": 418,
          "source": "datasheet"
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        {
          "name": "RC_RUN supply current, LFINTOSC 31 kHz",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3.6,
          "max": 23,
          "conditions": "-40°C, VDD = 1.8V, FOSC = 31 kHz",
          "source_page": 420,
          "source": "datasheet"
        },
        {
          "name": "RC_RUN supply current, 16 MHz HFINTOSC",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.3,
          "max": 2,
          "conditions": "-40°C to +125°C, VDD = 1.8V, FOSC = 16 MHz",
          "source_page": 421,
          "source": "datasheet"
        },
        {
          "name": "RC_RUN supply current, 16 MHz HFINTOSC",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 3,
          "conditions": "-40°C to +125°C, VDD = 3.0V, FOSC = 16 MHz",
          "source_page": 421,
          "source": "datasheet"
        },
        {
          "name": "RC_RUN supply current, 64 MHz HFINTOSC + PLL",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6.2,
          "max": 8.5,
          "conditions": "-40°C to +125°C, VDD = 3.0V, FOSC = 64 MHz",
          "source_page": 421,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "PIC18LF23K22-I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
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    "name": "Ray",
    "email": "[email protected]"
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