PIC16F18346T-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic16f18346t-i",
  "title": "PIC16F18346T-I",
  "brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-20-300mil. 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",
    "pic16f18346t-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC16F18346T-I",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/40001839E.pdf",
    "parts": {
      "symbol": "pic16f18346t-i.kicad_sym",
      "footprint": "pic16f18346t-i.kicad_mod",
      "model_3d": "pic16f18346t-i-hero.glb",
      "model_3d_plain": "pic16f18346t-i-etched.glb",
      "model_3d_step": "pic16f18346t-i-etched.step",
      "model_3d_step_plain": "pic16f18346t-i.step",
      "lbr": "pic16f18346t-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C629615"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T09:46:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; 2.3V to 5.5V for PIC16F18346 (1.8V to 3.6V for the LF version), must be connected and decoupled with a 0.1 µF capacitor."
      },
      {
        "number": "2",
        "name": "RA5",
        "type": "bidirectional",
        "description": "General purpose I/O with ANA5 ADC input, T1CKI/T3CKI/T5CKI timer clock inputs, SOSCIN/SOSCI secondary oscillator, and CLKIN/OSC1 external clock or crystal connection."
      },
      {
        "number": "3",
        "name": "RA4",
        "type": "bidirectional",
        "description": "General purpose I/O with ANA4 ADC input, T1G/T3G/T5G gate inputs, CCP4 input, SOSCO secondary oscillator, and CLKOUT (FOSC/4) or OSC2 crystal connection."
      },
      {
        "number": "4",
        "name": "RA3/MCLR/VPP",
        "type": "input",
        "description": "Input-only pin serving as general purpose input, Master Clear reset with internal weak pull-up (MCLR), or programming voltage input (VPP)."
      },
      {
        "number": "5",
        "name": "RC5",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC5 ADC input, MDCIN2 modular carrier input and CCP1 input."
      },
      {
        "number": "6",
        "name": "RC4",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC4 ADC input."
      },
      {
        "number": "7",
        "name": "RC3",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC3 ADC input, C1IN3-/C2IN3- comparator negative inputs, MDMIN modular source input, CCP2 input and CLCIN1 input."
      },
      {
        "number": "8",
        "name": "RC6",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC6 ADC input and SS1 slave select input."
      },
      {
        "number": "9",
        "name": "RC7",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC7 ADC input."
      },
      {
        "number": "10",
        "name": "RB7",
        "type": "bidirectional",
        "description": "General purpose I/O with ANB7 ADC input and SCK2 SPI clock / SCL2 I2C clock."
      },
      {
        "number": "11",
        "name": "RB6",
        "type": "bidirectional",
        "description": "General purpose I/O with ANB6 ADC input and SCK1 SPI clock / SCL1 I2C clock."
      },
      {
        "number": "12",
        "name": "RB5",
        "type": "bidirectional",
        "description": "General purpose I/O with ANB5 ADC input, SDI2 SPI data in / SDA2 I2C data, EUSART RX/DT and CLCIN3 input."
      },
      {
        "number": "13",
        "name": "RB4",
        "type": "bidirectional",
        "description": "General purpose I/O with ANB4 ADC input, SDI1 SPI data in / SDA1 I2C data and CLCIN2 input."
      },
      {
        "number": "14",
        "name": "RC2",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC2 ADC input, C1IN2-/C2IN2- comparator negative inputs and MDCIN1 modular carrier input."
      },
      {
        "number": "15",
        "name": "RC1",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC1 ADC input and C1IN1-/C2IN1- comparator negative inputs."
      },
      {
        "number": "16",
        "name": "RC0",
        "type": "bidirectional",
        "description": "General purpose I/O with ANC0 ADC input and C2IN0+ comparator positive input."
      },
      {
        "number": "17",
        "name": "RA2",
        "type": "bidirectional",
        "description": "General purpose I/O with ANA2 ADC input, VREF- and DAC1REF- reference inputs, T0CKI, CCP3, CWG1IN/CWG2IN, CLCIN0 and INT external interrupt inputs."
      },
      {
        "number": "18",
        "name": "RA1/ICSPCLK",
        "type": "bidirectional",
        "description": "General purpose I/O with ANA1 ADC input, VREF+, C1IN0-/C2IN0-, DAC1REF+, SS2 slave select input, and ICDCLK/ICSPCLK debug and programming clock."
      },
      {
        "number": "19",
        "name": "RA0/ICSPDAT",
        "type": "bidirectional",
        "description": "General purpose I/O with ANA0 ADC input, C1IN0+ comparator input, DAC1OUT analog output, and ICDDAT/ICSPDAT debug and programming data."
      },
      {
        "number": "20",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; must be connected."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOIC package drawing pages (20-lead SOIC 7.50 mm) are not in the provided text, so the 300 mil b; Pin types are inferred from the Input/Output Type columns of Table 1-3. RA3 is input-only per Note 1",
          "7/20 pins cited to the wrong page (name found elsewhere): ['9:RC7@p20', '10:RB7@p19', '11:RB6@p19', '12:RB5@p19']"
        ],
        "pages_sent": 84,
        "cost_usd": 0.6808,
        "at": "2026-10-27T09:46:15"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/40001839E.pdf",
        "pages": 500,
        "sha256": "caaf66beaba7d548",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "footprint_binding": "identity",
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        "checked": "2026-10-27",
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        "sha256": "ca6ffaf04474e5eb59d638c8ba47d7dffb670d6e939fc457e50f6ed85bd08810",
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-20-300mil",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "20"
    },
    "characteristics": {
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          "name": "Supply voltage (FOSC ≤ 16 MHz)",
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          "max": 5.5,
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          "name": "Supply voltage (FOSC > 16 MHz)",
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          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC > 16 MHz",
          "source_page": 414,
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        },
        {
          "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": 414,
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        },
        {
          "name": "Power-on Reset release voltage",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.6,
          "max": null,
          "conditions": "BOR and LPBOR disabled",
          "source_page": 414,
          "source": "datasheet"
        },
        {
          "name": "Power-on Reset rearm voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": null,
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          "name": "Supply current XT 4 MHz",
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          "kind": "electrical",
          "unit": "uA",
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          "typ": 332,
          "max": 479,
          "conditions": "XT = 4 MHz, VDD = 3.0V",
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        {
          "name": "Supply current HFO 16 MHz",
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          "kind": "electrical",
          "unit": "mA",
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          "typ": 1.4,
          "max": 1.9,
          "conditions": "HFO = 16 MHz, VDD = 3.0V",
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        {
          "name": "Supply current HFO 32 MHz",
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          "unit": "mA",
          "min": null,
          "typ": 2.3,
          "max": 2.9,
          "conditions": "HFO = 32 MHz, VDD = 3.0V",
          "source_page": 416,
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        },
        {
          "name": "Supply current HS+PLL 32 MHz",
          "symbol": "IDDHSPLL32",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.3,
          "max": 2.9,
          "conditions": "HS+PLL = 32 MHz, VDD = 3.0V",
          "source_page": 416,
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        },
        {
          "name": "Power-down current base (VREGPM = 1), max at +85°C",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.4,
          "max": 2.5,
          "conditions": "VDD = 3.0V, VREGPM = 1; max at +85°C (6 uA max at +125°C)",
          "source_page": 417,
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        {
          "name": "Power-down current base (VREGPM = 0), max at +85°C",
          "symbol": "IPD",
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          "min": null,
          "typ": 13,
          "max": 22,
          "conditions": "VDD = 3.0V, VREGPM = 0; max at +85°C (27 uA max at +125°C)",
          "source_page": 417,
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        {
          "name": "Watchdog timer power-down current, max at +85°C",
          "symbol": "IPD_WDT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1.1,
          "max": 3.3,
          "conditions": "VDD = 3.0V; max at +85°C (6.6 uA max at +125°C)",
          "source_page": 417,
          "source": "datasheet"
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        {
          "name": "Input low voltage, TTL buffer",
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          "max": 0.8,
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        {
          "name": "Input low voltage, SMBus levels",
          "symbol": "VIL",
          "kind": "electrical",
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          "max": 0.8,
          "conditions": "2.7V ≤ VDD ≤ 5.5V",
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        },
        {
          "name": "Input high voltage, TTL buffer",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "4.5V ≤ VDD ≤ 5.5V",
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          "source": "datasheet"
        },
        {
          "name": "Input high voltage, SMBus levels",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": null,
          "max": null,
          "conditions": "2.7V ≤ VDD ≤ 5.5V",
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          "source": "datasheet"
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          "name": "Input leakage current, I/O ports (85°C)",
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          "kind": "electrical",
          "unit": "nA",
          "min": -125,
          "typ": 5,
          "max": 125,
          "conditions": "VSS ≤ VPIN ≤ VDD, pin at high-impedance, 85°C",
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          "unit": "nA",
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          "typ": 5,
          "max": 1000,
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          "name": "Weak pull-up current",
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          "typ": 120,
          "max": 200,
          "conditions": "VDD = 3.0V, VPIN = VSS",
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          "name": "Output low voltage, I/O ports",
          "symbol": "VOL",
          "kind": "electrical",
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          "typ": null,
          "max": 0.6,
          "conditions": "IOL = 10.0 mA, VDD = 3.0V",
          "source_page": 418,
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        {
          "name": "I/O pin capacitance",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 5,
          "max": 50,
          "conditions": "",
          "source_page": 418,
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        {
          "name": "Brown-out Reset voltage BORV = 0",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.55,
          "typ": 2.7,
          "max": 2.85,
          "conditions": "BORV = 0",
          "source_page": 428,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset voltage BORV = 1",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": 2.45,
          "max": 2.6,
          "conditions": "BORV = 1 (PIC16F18326/18346)",
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        {
          "name": "Calibrated HFINTOSC frequency accuracy",
          "symbol": "FHFOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 3.92,
          "typ": 4,
          "max": 4.08,
          "conditions": "25°C",
          "source_page": 423,
          "source": "datasheet"
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        {
          "name": "ADC integral error",
          "symbol": "EIL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -1,
          "typ": 0.1,
          "max": 1,
          "conditions": "ADCREF+ = 3.0V, ADCREF- = 0V",
          "source_page": 429,
          "source": "datasheet"
        },
        {
          "name": "ADC differential error",
          "symbol": "EDL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -1,
          "typ": 0.1,
          "max": 1,
          "conditions": "ADCREF+ = 3.0V, ADCREF-= 0V",
          "source_page": 429,
          "source": "datasheet"
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        {
          "name": "Fixed Voltage Reference 1x accuracy",
          "symbol": "VFVR1",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "VDD ≥ 2.5V, -40°C to 85°C",
          "source_page": 432,
          "source": "datasheet"
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        {
          "name": "Fixed Voltage Reference 4x accuracy",
          "symbol": "VFVR4",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VDD ≥ 4.75V, -40°C to 85°C",
          "source_page": 432,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VDD pin w.r.t. VSS",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "PIC16F18326/18346",
          "source_page": 411,
          "source": "datasheet"
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        {
          "name": "Voltage on MCLR pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "with respect to VSS",
          "source_page": 411,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 411,
          "source": "datasheet"
        },
        {
          "name": "Maximum current on any I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 411,
          "source": "datasheet"
        },
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          "name": "Total power dissipation",
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          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 411,
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        {
          "name": "Operating ambient temperature, extended",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Extended temperature",
          "source_page": 412,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 77.7,
          "max": null,
          "conditions": "20-pin SOIC package",
          "source_page": 420,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 23.1,
          "max": null,
          "conditions": "20-pin SOIC package",
          "source_page": 420,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJMAX",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 420,
          "source": "datasheet"
        }
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