PIC16F876A-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic16f876a-i",
  "title": "PIC16F876A-I",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), SOIC-28-300mil. 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",
    "embedded processors & controllers",
    "pic16f876a-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC16F876A-I",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-28-300mil",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883391181688832",
    "parts": {
      "symbol": "pic16f876a-i.kicad_sym",
      "footprint": "pic16f876a-i.kicad_mod",
      "model_3d": "pic16f876a-i-hero.glb",
      "model_3d_plain": "pic16f876a-i-etched.glb",
      "model_3d_step": "pic16f876a-i-etched.step",
      "model_3d_step_plain": "pic16f876a-i.step",
      "lbr": "pic16f876a-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C112177"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:37:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MCLR/VPP",
        "type": "input",
        "description": "Active-low Master Clear (Reset) input to the device; also the programming voltage input (VPP)."
      },
      {
        "number": "2",
        "name": "RA0/AN0",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with analog input 0."
      },
      {
        "number": "3",
        "name": "RA1/AN1",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with analog input 1."
      },
      {
        "number": "4",
        "name": "RA2/AN2/VREF-/CVREF",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with analog input 2, A/D reference voltage (low) input, and comparator VREF output."
      },
      {
        "number": "5",
        "name": "RA3/AN3/VREF+",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with analog input 3 and A/D reference voltage (high) input."
      },
      {
        "number": "6",
        "name": "RA4/T0CKI/C1OUT",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input, open-drain when configured as output) with Timer0 external clock input and Comparator 1 output."
      },
      {
        "number": "7",
        "name": "RA5/AN4/SS/C2OUT",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with analog input 4, SPI slave select input, and Comparator 2 output."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "9",
        "name": "OSC1/CLKI",
        "type": "input",
        "description": "Oscillator crystal input or external clock source input (ST buffer when configured in RC mode, otherwise CMOS)."
      },
      {
        "number": "10",
        "name": "OSC2/CLKO",
        "type": "output",
        "description": "Oscillator crystal output connecting to a crystal or resonator; in RC mode outputs CLKO at 1/4 the frequency of OSC1."
      },
      {
        "number": "11",
        "name": "RC0/T1OSO/T1CKI",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with Timer1 oscillator output and Timer1 external clock input."
      },
      {
        "number": "12",
        "name": "RC1/T1OSI/CCP2",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with Timer1 oscillator input and Capture2 input / Compare2 output / PWM2 output."
      },
      {
        "number": "13",
        "name": "RC2/CCP1",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with Capture1 input, Compare1 output, or PWM1 output."
      },
      {
        "number": "14",
        "name": "RC3/SCK/SCL",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with synchronous serial clock input/output for SPI mode or I2C mode."
      },
      {
        "number": "15",
        "name": "RC4/SDI/SDA",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with SPI data in or I2C data I/O."
      },
      {
        "number": "16",
        "name": "RC5/SDO",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with SPI data out."
      },
      {
        "number": "17",
        "name": "RC6/TX/CK",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with USART asynchronous transmit or USART synchronous clock."
      },
      {
        "number": "18",
        "name": "RC7/RX/DT",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (Schmitt Trigger input) with USART asynchronous receive or USART synchronous data."
      },
      {
        "number": "19",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for logic and I/O pins."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for logic and I/O pins."
      },
      {
        "number": "21",
        "name": "RB0/INT",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL/Schmitt Trigger input when configured as external interrupt) with external interrupt input; PORTB can be software-programmed for weak pull-ups."
      },
      {
        "number": "22",
        "name": "RB1",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with software-programmable internal weak pull-up."
      },
      {
        "number": "23",
        "name": "RB2",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with software-programmable internal weak pull-up."
      },
      {
        "number": "24",
        "name": "RB3/PGM",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) that also serves as the low-voltage (single-supply) ICSP programming enable pin."
      },
      {
        "number": "25",
        "name": "RB4",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with software-programmable internal weak pull-up."
      },
      {
        "number": "26",
        "name": "RB5",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL input buffer) with software-programmable internal weak pull-up."
      },
      {
        "number": "27",
        "name": "RB6/PGC",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL/Schmitt Trigger input in serial programming mode) serving as in-circuit debugger and ICSP programming clock."
      },
      {
        "number": "28",
        "name": "RB7/PGD",
        "type": "bidirectional",
        "description": "Bidirectional digital I/O (TTL/Schmitt Trigger input in serial programming mode) serving as in-circuit debugger and ICSP programming data."
      }
    ],
    "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: Pin numbers are taken from the PDIP, SOIC, SSOP column of Table 1-2 (PIC16F873A/876A pinout, page 8); Pin 1 is listed as I/P (input / power) in the source table; typed as input (MCLR) with VPP programmi; Multi-function pins are typed as bidirectional because the datasheet lists them as I/O with alternat"
        ],
        "pages_sent": 37,
        "cost_usd": 0.2048,
        "at": "2026-10-18T17:37:00"
      },
      "datasheet": {
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        "pages": 234,
        "sha256": "94f1cb4c43edd96e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-18",
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      {
        "file": "pic16f876a-i-etched.step",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-28-300mil",
      "Category": "Embedded Processors & Controllers",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "94f1cb4c43edd96e17f528766f3904dd5936849aa128221a314b4f003c296f05",
      "rows": [
        {
          "name": "Ambient temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 173,
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        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 173,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin with respect to VSS (except VDD, MCLR, RA4)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as (VDD + 0.3V)",
          "source_page": 173,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VDD with respect to VSS",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7.5,
          "conditions": "",
          "source_page": 173,
          "source": "datasheet"
        },
        {
          "name": "Voltage on MCLR with respect to VSS",
          "symbol": "MCLR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 14,
          "conditions": "Note 2",
          "source_page": 173,
          "source": "datasheet"
        },
        {
          "name": "Voltage on RA4 with respect to VSS",
          "symbol": "RA4",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 8.5,
          "conditions": "",
          "source_page": 173,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Pdis",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Note 1",
          "source_page": 173,
          "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": 173,
          "source": "datasheet"
        },
        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VO < 0 or VO > VDD",
          "source_page": 173,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDD (PIC16F876A, 5V device)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 5.5,
          "conditions": "All configurations",
          "source_page": 175,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature, industrial",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial range (-I) per Standard Operating Conditions",
          "source_page": 175,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset voltage",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": 3.65,
          "typ": 4,
          "max": 4.35,
          "conditions": "BODEN bit in configuration word enabled",
          "source_page": 175,
          "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": "See Section 14.5 Power-on Reset (POR)",
          "source_page": 175,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, XT/RC oscillator",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.6,
          "max": 4,
          "conditions": "XT, RC osc configurations, FOSC = 4 MHz, VDD = 5.5V",
          "source_page": 176,
          "source": "datasheet"
        },
        {
          "name": "Supply current IDD, HS oscillator",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7,
          "max": 15,
          "conditions": "HS osc configuration, FOSC = 20 MHz, VDD = 5.5V",
          "source_page": 176,
          "source": "datasheet"
        },
        {
          "name": "Brown-out Reset current",
          "symbol": "IBOR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 85,
          "max": 200,
          "conditions": "BOR enabled, VDD = 5.0V",
          "source_page": 176,
          "source": "datasheet"
        },
        {
          "name": "Power-down current IPD, WDT enabled",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 10.5,
          "max": 42,
          "conditions": "VDD = 4.0V, WDT enabled, -40°C to +85°C",
          "source_page": 177,
          "source": "datasheet"
        },
        {
          "name": "Power-down current IPD, WDT disabled",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.5,
          "max": 16,
          "conditions": "VDD = 4.0V, WDT disabled, -40°C to +85°C",
          "source_page": 177,
          "source": "datasheet"
        },
        {
          "name": "Power-down current IPD, WDT disabled (row D021A)",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.5,
          "max": 19,
          "conditions": "VDD = 4.0V, WDT disabled, -40°C to +85°C",
          "source_page": 177,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, I/O ports with TTL buffer (D030A)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "4.5V ≤ VDD ≤ 5.5V",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, OSC1 in XT and LP modes",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "Note 1",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, I/O ports with TTL buffer (D040)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "4.5V ≤ VDD ≤ 5.5V",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, OSC1 in XT and LP modes",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "Note 1",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, Ports RC3 and RC4 with SMBus",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 5.5,
          "conditions": "For VDD = 4.5 to 5.5V",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, I/O ports",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VSS ≤ VPIN ≤ VDD, pin at high-impedance",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, MCLR and RA4/T0CKI",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VSS ≤ VPIN ≤ VDD",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "PORTB weak pull-up current",
          "symbol": "IPURB",
          "kind": "electrical",
          "unit": "µA",
          "min": 50,
          "typ": 250,
          "max": 400,
          "conditions": "VDD = 5V, VPIN = VSS, -40°C to +85°C",
          "source_page": 178,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage, I/O ports",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IOL = 8.5 mA, VDD = 4.5V, -40°C to +85°C",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage, OSC2/CLKO (RC osc config)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IOL = 1.6 mA, VDD = 4.5V, -40°C to +85°C",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "Open-drain high voltage, RA4 pin",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 8.5,
          "conditions": "RA4 pin",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "Capacitive loading, all I/O pins and OSC2 (RC mode)",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "All I/O pins and OSC2 (RC mode)",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "Capacitive loading, SCL and SDA (I2C mode)",
          "symbol": "CB",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "SCL, SDA (I2C mode)",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "Data EEPROM erase/write cycle time",
          "symbol": "TDEW",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "Program Flash erase/write cycle time",
          "symbol": "TPEW",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "VDD for read, program Flash (maximum)",
          "symbol": "VPR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "VMIN = min. operating voltage",
          "source_page": 179,
          "source": "datasheet"
        },
        {
          "name": "VDD for erase/write, program Flash (maximum)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "Using EECON to read/write, VMIN = min. operating voltage",
          "source_page": 179,
          "source": "datasheet"
        },
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