PIC18F26K40-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic18f26k40-i",
  "title": "PIC18F26K40-I",
  "brief": "Microchip Tech MICROCHIP, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "pic18f26k40-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC18F26K40-I",
    "manufacturer": "Microchip Tech",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "MICROCHIP",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/PIC18-L-F26-45-46K40-Microcontroller-Data-Sheet-DS40001816.pdf",
    "parts": {
      "symbol": "pic18f26k40-i.kicad_sym",
      "footprint": "pic18f26k40-i.kicad_mod",
      "model_3d": "pic18f26k40-i-hero.glb",
      "model_3d_plain": "pic18f26k40-i-etched.glb",
      "model_3d_step": "pic18f26k40-i-etched.step",
      "model_3d_step_plain": "pic18f26k40-i.step",
      "lbr": "pic18f26k40-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C219976"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:40:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RE3/MCLR/VPP",
        "type": "input",
        "description": "Input-only port pin RE3 with interrupt-on-change (IOCE3) and weak pull-up that serves as Master Clear (MCLR) Reset input and Vpp programming voltage input."
      },
      {
        "number": "2",
        "name": "RA0",
        "type": "bidirectional",
        "description": "PORTA bit 0 I/O with analog input ANA0, comparator inputs C1IN0-/C2IN0-, interrupt-on-change IOCA0 and weak pull-up."
      },
      {
        "number": "3",
        "name": "RA1",
        "type": "bidirectional",
        "description": "PORTA bit 1 I/O with analog input ANA1, comparator inputs C1IN1-/C2IN1-, interrupt-on-change IOCA1 and weak pull-up."
      },
      {
        "number": "4",
        "name": "RA2",
        "type": "bidirectional",
        "description": "PORTA bit 2 I/O with analog input ANA2, DAC1OUT1 output, Vref- (DAC) and Vref- (ADC) reference input, comparator inputs C1IN0+/C2IN0+, IOCA2 and weak pull-up."
      },
      {
        "number": "5",
        "name": "RA3",
        "type": "bidirectional",
        "description": "PORTA bit 3 I/O with analog input ANA3, Vref+ (DAC) and Vref+ (ADC) reference input, comparator input C1IN1+, MDCARL (PPS input), IOCA3 and weak pull-up."
      },
      {
        "number": "6",
        "name": "RA4",
        "type": "bidirectional",
        "description": "PORTA bit 4 I/O with analog input ANA4, T0CKI (PPS input), MDCARH (PPS input), IOCA4 and weak pull-up."
      },
      {
        "number": "7",
        "name": "RA5",
        "type": "bidirectional",
        "description": "PORTA bit 5 I/O with analog input ANA5, MDSRC (PPS input), SS1 MSSP slave select (PPS input), IOCA5 and weak pull-up."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; all VSS pins must be connected."
      },
      {
        "number": "9",
        "name": "RA7/OSC1/CLKIN",
        "type": "bidirectional",
        "description": "PORTA bit 7 I/O with analog input ANA7, OSC1 crystal/resonator input or CLKIN external clock input, IOCA7 and weak pull-up."
      },
      {
        "number": "10",
        "name": "RA6/OSC2/CLKOUT",
        "type": "bidirectional",
        "description": "PORTA bit 6 I/O with analog input ANA6, OSC2 crystal/resonator connection or CLKOUT (FOSC/4) output, IOCA6 and weak pull-up."
      },
      {
        "number": "11",
        "name": "RC0/SOSCO",
        "type": "bidirectional",
        "description": "PORTC bit 0 I/O with analog input ANC0, secondary oscillator output SOSCO, T1CKI/T3CKI/T3G (PPS inputs), IOCC0 and weak pull-up."
      },
      {
        "number": "12",
        "name": "RC1/SOSCIN/SOSCI",
        "type": "bidirectional",
        "description": "PORTC bit 1 I/O with analog input ANC1, secondary oscillator input SOSCIN/SOSCI, CCP2 (PPS input), IOCC1 and weak pull-up."
      },
      {
        "number": "13",
        "name": "RC2",
        "type": "bidirectional",
        "description": "PORTC bit 2 I/O with analog input ANC2, T5CKI and CCP1 (PPS inputs), IOCC2 and weak pull-up."
      },
      {
        "number": "14",
        "name": "RC3",
        "type": "bidirectional",
        "description": "PORTC bit 3 I/O with analog input ANC3, T2IN, MSSP1 SCK1/SCL1 (I2C logic levels), IOCC3 and weak pull-up."
      },
      {
        "number": "15",
        "name": "RC4",
        "type": "bidirectional",
        "description": "PORTC bit 4 I/O with analog input ANC4, MSSP1 SDI1/SDA1 (I2C logic levels), IOCC4 and weak pull-up."
      },
      {
        "number": "16",
        "name": "RC5",
        "type": "bidirectional",
        "description": "PORTC bit 5 I/O with analog input ANC5, T4IN (PPS input), IOCC5 and weak pull-up."
      },
      {
        "number": "17",
        "name": "RC6",
        "type": "bidirectional",
        "description": "PORTC bit 6 I/O with analog input ANC6, EUSART1 CK1 (bidirectional), IOCC6 and weak pull-up."
      },
      {
        "number": "18",
        "name": "RC7",
        "type": "bidirectional",
        "description": "PORTC bit 7 I/O with analog input ANC7, EUSART1 RX1/DT1 (bidirectional), IOCC7 and weak pull-up."
      },
      {
        "number": "19",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; all VSS pins must be connected."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; must always be connected and decoupled with a 0.1 uF capacitor (2.3V to 5.5V for PIC18F26K40)."
      },
      {
        "number": "21",
        "name": "RB0",
        "type": "bidirectional",
        "description": "PORTB bit 0 I/O with analog input ANB0, comparator input C2IN1+, CWG1 and ZCDIN inputs, INT0 external interrupt, IOCB0 and weak pull-up."
      },
      {
        "number": "22",
        "name": "RB1",
        "type": "bidirectional",
        "description": "PORTB bit 1 I/O with analog input ANB1, comparator inputs C1IN3-/C2IN3-, INT1 external interrupt, IOCB1 and weak pull-up."
      },
      {
        "number": "23",
        "name": "RB2",
        "type": "bidirectional",
        "description": "PORTB bit 2 I/O with analog input ANB2, INT2 external interrupt, IOCB2 and weak pull-up."
      },
      {
        "number": "24",
        "name": "RB3",
        "type": "bidirectional",
        "description": "PORTB bit 3 I/O with analog input ANB3, comparator inputs C1IN2-/C2IN2-, IOCB3 and weak pull-up."
      },
      {
        "number": "25",
        "name": "RB4",
        "type": "bidirectional",
        "description": "PORTB bit 4 I/O with analog input ANB4, T5G (PPS input), IOCB4 and weak pull-up."
      },
      {
        "number": "26",
        "name": "RB5",
        "type": "bidirectional",
        "description": "PORTB bit 5 I/O with analog input ANB5, T1G (PPS input), IOCB5 and weak pull-up."
      },
      {
        "number": "27",
        "name": "RB6/ICSPCLK",
        "type": "bidirectional",
        "description": "PORTB bit 6 I/O with analog input ANB6, ICSP programming clock input ICSPCLK, IOCB6 and weak pull-up."
      },
      {
        "number": "28",
        "name": "RB7/ICSPDAT",
        "type": "bidirectional",
        "description": "PORTB bit 7 I/O with analog input ANB7, DAC1OUT2 output, T6IN (PPS input), ICSP programming data I/O ICSPDAT, IOCB7 and weak pull-up."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The 28-pin table column is labeled 'SPDIP, SOIC, SSOP' and is shared by those packages. It is not a ; The table lists two VSS pins (8 and 19) and one VDD pin (20) with no electrical limits. The VDD rang; RE3 acts as MCLR only while MCLR is enabled (the LVP bit forces it on). It is input-only, so I typed",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 67,
        "cost_usd": 2.2706,
        "at": "2026-10-23T03:39:49"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/PIC18-L-F26-45-46K40-Microcontroller-Data-Sheet-DS40001816.pdf",
        "pages": 755,
        "sha256": "e86a60cc739f0fa4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "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": [
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          10.2,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SSOP-28-208mil",
      "Category": "Embedded Processors & Controllers",
      "Pins": "28"
    },
    "appearance": {
      "housing": {
        "quote": "body RxyPPS",
        "page": 296,
        "doc": "ds.pdf",
        "material": "PPS"
      },
      "version": 1,
      "datasheet_sha256": "e86a60cc739f0fa4a94b765c6524b944d521f782c2088615f2a128c184604238"
    },
    "characteristics": {
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      "rows": [
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          "name": "Operating supply voltage (FOSC<=16 MHz)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC ≤ 16 MHz",
          "source_page": 671,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage (FOSC>16 MHz)",
          "symbol": "VDD",
          "kind": "recommended_operating",
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        {
          "name": "Operating supply voltage (FOSC>32 MHz)",
          "symbol": "VDD",
          "kind": "recommended_operating",
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          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC > 32 MHz",
          "source_page": 671,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature, industrial",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial",
          "source_page": 669,
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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": 671,
          "source": "datasheet"
        },
        {
          "name": "VDD rise rate for POR",
          "symbol": "SVDD",
          "kind": "electrical",
          "unit": "V/ms",
          "min": 0.05,
          "typ": null,
          "max": null,
          "conditions": "BOR or LPBOR disabled",
          "source_page": 671,
          "source": "datasheet"
        },
        {
          "name": "Supply current XT 4 MHz",
          "symbol": "IDDXT4",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 550,
          "max": 750,
          "conditions": "XT = 4 MHz, 3.0V",
          "source_page": 673,
          "source": "datasheet"
        },
        {
          "name": "Supply current HFINTOSC 16 MHz",
          "symbol": "IDDHFO16",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 2.7,
          "conditions": "HFINTOSC = 16 MHz, 3.0V",
          "source_page": 673,
          "source": "datasheet"
        },
        {
          "name": "Supply current HFINTOSC 64 MHz",
          "symbol": "IDDHFOPLL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7.5,
          "max": 9.5,
          "conditions": "HFINTOSC = 64 MHz, 3.0V",
          "source_page": 673,
          "source": "datasheet"
        },
        {
          "name": "Supply current HS+PLL 64 MHz",
          "symbol": "IDDHSPLL64",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7,
          "max": 9,
          "conditions": "HS+PLL = 64 MHz, 3.0V",
          "source_page": 673,
          "source": "datasheet"
        },
        {
          "name": "Power-down base current (max 85°C)",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.4,
          "max": 4,
          "conditions": "3.0V, VREGPM=1, max at +85°C (12 at +125°C)",
          "source_page": 674,
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        },
        {
          "name": "WDT power-down current",
          "symbol": "IPD_WDT",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.6,
          "max": 5,
          "conditions": "3.0V, max at +85°C",
          "source_page": 674,
          "source": "datasheet"
        },
        {
          "name": "SOSC power-down current",
          "symbol": "IPD_SOSC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.8,
          "max": 8.5,
          "conditions": "3.0V, max at +85°C",
          "source_page": 674,
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        },
        {
          "name": "LPBOR power-down current",
          "symbol": "IPD_LPBOR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.7,
          "max": 5,
          "conditions": "3.0V, max at +85°C",
          "source_page": 675,
          "source": "datasheet"
        },
        {
          "name": "FVR power-down current",
          "symbol": "IPD_FVR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 32,
          "max": 53,
          "conditions": "3.0V, FVRCON = 0x81 or 0x84, max at +85°C",
          "source_page": 675,
          "source": "datasheet"
        },
        {
          "name": "BOR power-down current",
          "symbol": "IPD_BOR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 14,
          "max": 19,
          "conditions": "3.0V, max at +85°C",
          "source_page": 675,
          "source": "datasheet"
        },
        {
          "name": "Comparator power-down current",
          "symbol": "IPD_CMP",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 31,
          "max": 47,
          "conditions": "3.0V, max at +85°C",
          "source_page": 675,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, TTL",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "4.5V≤VDD≤5.5V",
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          "source": "datasheet"
        },
        {
          "name": "Input low voltage, Schmitt Trigger",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "0.2 VDD, 2.0V≤VDD≤5.5V",
          "source_page": 675,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage MCLR",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "0.2 VDD",
          "source_page": 675,
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        },
        {
          "name": "Input high voltage, TTL",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "4.5V≤VDD≤5.5V",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, Schmitt Trigger",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "0.8 VDD, 2.0V≤VDD≤5.5V",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage MCLR",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "0.7 VDD",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current I/O",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": -125,
          "typ": 5,
          "max": 125,
          "conditions": "VSS≤VPIN≤VDD, 85°C",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Weak pull-up current",
          "symbol": "IPUR",
          "kind": "electrical",
          "unit": "μA",
          "min": 25,
          "typ": 120,
          "max": 200,
          "conditions": "VDD=3.0V, VPIN=VSS",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IOL=10.0 mA, VDD=3.0V",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Output high voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VDD-0.7, IOH=6.0 mA, VDD=3.0V",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "I/O pin capacitance",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 5,
          "max": 50,
          "conditions": "",
          "source_page": 676,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset voltage BORV=00",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 2.85,
          "max": 3,
          "conditions": "BORV=00",
          "source_page": 683,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset voltage BORV=01",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.55,
          "typ": 2.7,
          "max": 2.85,
          "conditions": "BORV=01",
          "source_page": 683,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset voltage BORV=10",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": 2.45,
          "max": 2.6,
          "conditions": "BORV=10",
          "source_page": 683,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset voltage BORV=11",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": 2.45,
          "max": 2.6,
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