PIC16LF18444-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic16lf18444-i",
  "title": "PIC16LF18444-I",
  "brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SSOP-20-208mil. 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",
    "pic16lf18444-i",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "PIC16LF18444-I",
    "manufacturer": "Microchip Tech",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e2278f367fbbf8bf44a004b80a35a2d3.pdf",
    "parts": {
      "symbol": "pic16lf18444-i.kicad_sym",
      "footprint": "pic16lf18444-i.kicad_mod",
      "model_3d": "pic16lf18444-i-hero.glb",
      "model_3d_plain": "pic16lf18444-i-etched.glb",
      "model_3d_step": "pic16lf18444-i-etched.step",
      "model_3d_step_plain": "pic16lf18444-i.step",
      "lbr": "pic16lf18444-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C639375"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:33:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin; all VDD and VSS pins must always be connected and each pair needs decoupling capacitors."
      },
      {
        "number": "2",
        "name": "RA5",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTA with alternate functions CLKIN/SOSCI/OSC1, T1CKI, T2IN and SMT1SIG, with interrupt-on-change and selectable pull-up."
      },
      {
        "number": "3",
        "name": "RA4",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTA with alternate functions CLKOUT/SOSCO/OSC2, T1G and SMT1WIN, with interrupt-on-change and selectable pull-up."
      },
      {
        "number": "4",
        "name": "RA3",
        "type": "input",
        "description": "Input-only pin shared as MCLR/VPP; when MCLRE is enabled it acts as the device Master Clear input."
      },
      {
        "number": "5",
        "name": "RC5",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate functions T4IN, CCP1IN, MDCARH and EUSART/MSSP peripheral inputs, with interrupt-on-change."
      },
      {
        "number": "6",
        "name": "RC4",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate functions T3CKI, T3G and MSSP peripheral signals, with interrupt-on-change."
      },
      {
        "number": "7",
        "name": "RC3",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate functions CCP2IN, comparator C1IN3- and C2IN3- inputs, and ADC channel ANC3."
      },
      {
        "number": "8",
        "name": "RC6",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate function SS1 and ADC channel ANC6, with interrupt-on-change."
      },
      {
        "number": "9",
        "name": "RC7",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with ADC channel ANC7 and interrupt-on-change."
      },
      {
        "number": "10",
        "name": "RB7",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTB with alternate functions T6IN, SCK2/SCL2 and CK1/TX1, with interrupt-on-change."
      },
      {
        "number": "11",
        "name": "RB6",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTB with alternate functions SCK1/SCL1 and ADC channel ANB6, with interrupt-on-change."
      },
      {
        "number": "12",
        "name": "RB5",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTB with alternate functions CCP3IN, SDI2/SDA2, RX1/DT1 and CLCIN3, with interrupt-on-change."
      },
      {
        "number": "13",
        "name": "RB4",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTB with alternate functions T5G, SDI1/SDA1 and CLCIN2, with interrupt-on-change."
      },
      {
        "number": "14",
        "name": "RC2",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate functions ADACT, MDCARL, T5CKI and comparator inputs C1IN2- and C2IN2-."
      },
      {
        "number": "15",
        "name": "RC1",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate functions comparator inputs C1IN1- and C2IN1-, ADC channel ANC1 and interrupt-on-change."
      },
      {
        "number": "16",
        "name": "RC0",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTC with alternate functions C2IN0+, T3CKI and T3G, with interrupt-on-change."
      },
      {
        "number": "17",
        "name": "RA2",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTA with alternate functions ADCVREF-, DAC1VREF-, T0CKI, CWG1IN/CWG2IN and INT, with interrupt-on-change."
      },
      {
        "number": "18",
        "name": "RA1",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTA with alternate functions ADCVREF+, C1IN0-, C2IN0-, DAC1VREF+ and ICSPCLK/ICDCLK, with interrupt-on-change."
      },
      {
        "number": "19",
        "name": "RA0",
        "type": "bidirectional",
        "description": "General-purpose I/O on PORTA with alternate functions ANA0, C1IN0+, DAC1OUT1 and ICSPDAT/ICDDAT, with interrupt-on-change."
      },
      {
        "number": "20",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference pin; all VDD and VSS pins must always be connected."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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 datasheet gives no separate SSOP pin table. Pin numbers come from Figure 3 (20-Pin PDIP, SOIC, S; The datasheet does not give a pin-level electrical limit or function for each I/O beyond the allocat"
        ],
        "pages_sent": 80,
        "cost_usd": 0.0835,
        "at": "2026-10-27T00:33:14"
      },
      "datasheet": {
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        "pages": 707,
        "sha256": "bdf26783d2114dfd",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SSOP-20-208mil",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "20"
    },
    "appearance": {
      "housing": {
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        "page": 267,
        "doc": "ds.pdf",
        "material": "PPS"
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          "name": "Ambient temperature under bias",
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          "min": -65,
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        {
          "name": "Voltage on VDD pin with respect to VSS (PIC16LF18424/44)",
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        {
          "name": "Voltage on MCLR pin with respect to VSS",
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          "name": "Clamp current, IK (VPIN < 0 or VPIN > VDD)",
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          "conditions": "VPIN < 0 or VPIN > VDD",
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        {
          "name": "Total power dissipation",
          "symbol": "PD",
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          "unit": "mW",
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        {
          "name": "Maximum current on VSS pin",
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          "conditions": "-40°C ≤ TA ≤ +85°C",
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        {
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          "conditions": "-40°C ≤ TA ≤ +85°C",
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        {
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          "conditions": "85°C < TA ≤ +125°C",
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        {
          "name": "Operating Supply Voltage VDD (FOSC ≤ 16 MHz)",
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        {
          "name": "Operating Supply Voltage VDD (FOSC > 16 MHz)",
          "symbol": "D002 VDD",
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          "min": 2.5,
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          "conditions": "FOSC > 16 MHz",
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        {
          "name": "RAM Data Retention Voltage",
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          "conditions": "Device in Sleep mode",
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        {
          "name": "Power-on Reset Release Voltage",
          "symbol": "VPOR",
          "kind": "recommended_operating",
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        {
          "name": "Power-on Reset Rearm Voltage",
          "symbol": "VPORR",
          "kind": "recommended_operating",
          "unit": "V",
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          "max": null,
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        {
          "name": "VDD Rise Rate to ensure internal Power-on Reset signal",
          "symbol": "SVDD",
          "kind": "recommended_operating",
          "unit": "V/ms",
          "min": 0.05,
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        {
          "name": "Operating Ambient Temperature Range (Industrial)",
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        {
          "name": "Operating Ambient Temperature Range (Extended)",
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        {
          "name": "Supply Current, XT = 4 MHz",
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          "kind": "electrical",
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        {
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          "typ": 3.9,
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          "conditions": "3.0V",
          "source_page": 633,
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        },
        {
          "name": "Supply Current, HS+PLL = 32 MHz",
          "symbol": "IDDHSPLL32",
          "kind": "electrical",
          "unit": "mA",
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          "conditions": "3.0V",
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        {
          "name": "Supply Current, IDLE mode, HFINTOSC = 16 MHz",
          "symbol": "IDDIDLE",
          "kind": "electrical",
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          "conditions": "3.0V",
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        {
          "name": "Supply Current, DOZE mode, HFINTOSC = 16 MHz, Doze Ratio = 16",
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        },
        {
          "name": "Power-Down Current IPD Base, max +85°C",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.08,
          "max": 2,
          "conditions": "3.0V",
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        {
          "name": "Power-Down Current IPD Base, max +125°C",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "μA",
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        },
        {
          "name": "Power-Down Current FVR, max +85°C",
          "symbol": "IPD_FVR",
          "kind": "electrical",
          "unit": "μA",
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          "typ": 46,
          "max": 76,
          "conditions": "3.0V",
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        {
          "name": "Power-Down Current FVR, max +125°C",
          "symbol": "IPD_FVR",
          "kind": "electrical",
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          "typ": 46,
          "max": 77,
          "conditions": "3.0V",
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          "source": "datasheet"
        },
        {
          "name": "Power-Down Current Comparator, max +85°C",
          "symbol": "IPD_CMP",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 30,
          "max": 57,
          "conditions": "3.0V",
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        {
          "name": "Power-Down Current Comparator, max +125°C",
          "symbol": "IPD_CMP",
          "kind": "electrical",
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          "max": 58,
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          "name": "Input Leakage Current I/O ports, 85°C",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
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          "typ": 5,
          "max": 125,
          "conditions": "VSS≤VPIN≤VDD, Pin at high-impedance, 85°C",
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          "source": "datasheet"
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        {
          "name": "Weak Pull-up Current",
          "symbol": "IPUR",
          "kind": "electrical",
          "unit": "μA",
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          "max": 200,
          "conditions": "VDD=3.0V, VPIN=VSS",
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          "name": "Pin capacitance, All I/O Pins",
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          "typ": 5,
          "max": 50,
          "conditions": "",
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        {
          "name": "Voltage on MCLR/VPP pin to enter programming mode",
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          "unit": "V",
          "min": 8,
          "typ": null,
          "max": 9,
          "conditions": "Note 2, Note 3",
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          "source": "datasheet"
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        {
          "name": "Current on MCLR/VPP pin during programming mode",
          "symbol": "IPPGM",
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          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Note 2",
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        {
          "name": "Supply Current during programming operation",
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          "max": 10,
          "conditions": "",
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        {
          "name": "Thermal Resistance Junction to Ambient, 20-pin SSOP",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 87.3,
          "max": null,
          "conditions": "20-pin SSOP package",
          "source_page": 638,
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        },
        {
          "name": "Thermal Resistance Junction to Case, 20-pin SSOP",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
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