PIC16F1578-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "pic16f1578-i",
  "title": "PIC16F1578-I",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), 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": [
    "component",
    "embedded processors & controllers",
    "pic16f1578-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PIC16F1578-I",
    "manufacturer": "Microchip Tech",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589807756921237504",
    "parts": {
      "symbol": "pic16f1578-i.kicad_sym",
      "footprint": "pic16f1578-i.kicad_mod",
      "model_3d": "pic16f1578-i-hero.glb",
      "model_3d_plain": "pic16f1578-i-etched.glb",
      "model_3d_step": "pic16f1578-i-etched.step",
      "model_3d_step_plain": "pic16f1578-i.step",
      "lbr": "pic16f1578-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C639203"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:52:29Z",
      "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 pin; the PIC16F1574/5/8/9 operating voltage range is 2.3V to 5.5V."
      },
      {
        "number": "2",
        "name": "RA5",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also external clock input CLKIN (EC mode) and Timer1 clock input T1CKI."
      },
      {
        "number": "3",
        "name": "RA4",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN3, Timer1 gate input T1G, and CLKOUT (FOSC/4 output)."
      },
      {
        "number": "4",
        "name": "RA3",
        "type": "input",
        "description": "Input-only general purpose pin with interrupt-on-change and weak pull-up; it is also the MCLR Master Clear input with internal pull-up and the VPP programming voltage (HV) pin."
      },
      {
        "number": "5",
        "name": "RC5",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; PPS can route comparator, PWM, CWG and USART outputs to this pin."
      },
      {
        "number": "6",
        "name": "RC4",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC auto-conversion trigger input ADCACT."
      },
      {
        "number": "7",
        "name": "RC3",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN7 and comparator negative inputs C1IN3-/C2IN3-."
      },
      {
        "number": "8",
        "name": "RC6",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN8."
      },
      {
        "number": "9",
        "name": "RC7",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN9."
      },
      {
        "number": "10",
        "name": "RB7",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also USART synchronous clock CK."
      },
      {
        "number": "11",
        "name": "RB6",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up."
      },
      {
        "number": "12",
        "name": "RB5",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN11 and USART asynchronous receive input RX."
      },
      {
        "number": "13",
        "name": "RB4",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN10."
      },
      {
        "number": "14",
        "name": "RC2",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN6 and comparator negative inputs C1IN2-/C2IN2-."
      },
      {
        "number": "15",
        "name": "RC1",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN5 and comparator negative inputs C1IN1-/C2IN1-."
      },
      {
        "number": "16",
        "name": "RC0",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN4 and comparator positive input C2IN+."
      },
      {
        "number": "17",
        "name": "RA2",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN2, Timer0 clock input T0CKI, CWG complementary input CWG1IN, and external interrupt INT."
      },
      {
        "number": "18",
        "name": "RA1",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN1, voltage reference input VREF+, comparator negative inputs C1IN0-/C2IN0-, and ICSP programming clock ICSPCLK."
      },
      {
        "number": "19",
        "name": "RA0",
        "type": "bidirectional",
        "description": "General purpose I/O with interrupt-on-change and weak pull-up; also ADC channel AN0, comparator positive input C1IN+, DAC1OUT output, and ICSP data ICSPDAT."
      },
      {
        "number": "20",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      }
    ],
    "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: Package naming: the text gives the 20-pin pin allocation as 'PDIP/SOIC/SSOP' (Table 4, page 7) and t; Figure 3 (page 5) pin-label drawing is garbled in the extracted text, so pin numbers were taken from; RC6 and RC7 (pins 8 and 9) are absent from the Table 1-3 pin description table, which stops at RC0-R",
          "4/20 pins cited to the wrong page (name found elsewhere): ['11:RB6@p15', '18:RA1@p15', '19:RA0@p15', '20:VSS@p15']"
        ],
        "pages_sent": 70,
        "cost_usd": 0.2817,
        "at": "2026-10-18T22:52:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589807756921237504",
        "pages": 342,
        "sha256": "0edc2c31fced9150",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.1
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "bd77bb8fff93e39e133efd762db422e75c4fbc147c0035ff302819e9e07767ea",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SSOP-20-208mil",
      "Category": "Embedded Processors & Controllers",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0edc2c31fced9150153314a50a3852345682230f7a4986123d43161d7d0ee34f",
      "rows": [
        {
          "name": "Ambient temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "under bias",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VDD pin with respect to VSS",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "PIC16F1574/5/8/9",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Voltage on MCLR pin with respect to VSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 9,
          "conditions": "",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Voltage on all other pins with respect to VSS",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max = VDD + 0.3V",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Maximum current on VSS pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "-40°C ≤ TA ≤ +85°C",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Maximum current on VSS pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "+85°C ≤ TA ≤ +125°C",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Maximum current on VDD pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "-40°C ≤ TA ≤ +85°C",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Maximum current on VDD pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 85,
          "conditions": "+85°C ≤ TA ≤ +125°C",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Current sunk by any standard I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Current sourced by any standard I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Clamp current",
          "symbol": "IK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "VPIN < 0 or VPIN > VDD",
          "source_page": 274,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDD",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC ≤ 16 MHz",
          "source_page": 277,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDD",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "FOSC ≤ 32 MHz (PLL required)",
          "source_page": 277,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature, industrial",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial temperature (-I)",
          "source_page": 275,
          "source": "datasheet"
        },
        {
          "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": 277,
          "source": "datasheet"
        },
        {
          "name": "VDD rise rate",
          "symbol": "SVDD",
          "kind": "electrical",
          "unit": "V/ms",
          "min": 0.05,
          "typ": null,
          "max": null,
          "conditions": "Ensures POR signal is released properly",
          "source_page": 277,
          "source": "datasheet"
        },
        {
          "name": "FVR gain voltage accuracy for ADC, 1x",
          "symbol": "VADFVR",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "1x VFVR, ADFVR = 01, VDD ≥ 2.5V",
          "source_page": 277,
          "source": "datasheet"
        },
        {
          "name": "FVR gain voltage accuracy for ADC, 2x",
          "symbol": "VADFVR",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "2x VFVR, ADFVR = 10, VDD ≥ 2.5V",
          "source_page": 277,
          "source": "datasheet"
        },
        {
          "name": "FVR gain voltage accuracy for ADC, 4x",
          "symbol": "VADFVR",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "4x VFVR, ADFVR = 11, VDD ≥ 4.75V",
          "source_page": 277,
          "source": "datasheet"
        },
        {
          "name": "Weak pull-up current",
          "symbol": "IPUR",
          "kind": "electrical",
          "unit": "µA",
          "min": 25,
          "typ": 100,
          "max": 200,
          "conditions": "VDD = 3.3V, VPIN = VSS",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Weak pull-up current",
          "symbol": "IPUR",
          "kind": "electrical",
          "unit": "µA",
          "min": 25,
          "typ": 140,
          "max": 300,
          "conditions": "VDD = 5.0V, VPIN = VSS",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, I/O port with TTL buffer",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "4.5V ≤ VDD ≤ 5.5V",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, I/O port (0.15 × VDD)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "x VDD",
          "min": null,
          "typ": null,
          "max": 0.15,
          "conditions": "1.8V ≤ VDD ≤ 4.5V",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, I/O port with Schmitt Trigger (0.2 × VDD)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "x VDD",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "2.0V ≤ VDD ≤ 5.5V",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage, MCLR (0.2 × VDD)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "x VDD",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, I/O port with TTL buffer",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "4.5V ≤ VDD ≤ 5.5V",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, I/O port with Schmitt Trigger (0.8 × VDD)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "x VDD",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "2.0V ≤ VDD ≤ 5.5V",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage, MCLR (0.8 × VDD)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "x VDD",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, I/O ports",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": -125,
          "typ": 5,
          "max": 125,
          "conditions": "VSS ≤ VPIN ≤ VDD, pin at high-impedance, 85°C",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, MCLR",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": -200,
          "typ": 50,
          "max": 200,
          "conditions": "VSS ≤ VPIN ≤ VDD, pin at high-impedance, 85°C",
          "source_page": 283,
          "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 mA, VDD = 5V; IOL = 6 mA, VDD = 3.3V; IOL = 1.8 mA, VDD = 1.8V",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "Capacitive loading, all I/O pins",
          "symbol": "CIO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 283,
          "source": "datasheet"
        },
        {
          "name": "ADC integral error",
          "symbol": "EIL",
          "kind": "tolerance",
          "unit": "LSb",
          "min": -1.7,
          "typ": 1,
          "max": 1.7,
          "conditions": "VDD = 3.0V, TA = 25°C; VREF = 3.0V",
          "source_page": 293,
          "source": "datasheet"
        },
        {
          "name": "ADC differential error",
          "symbol": "EDL",
          "kind": "tolerance",
          "unit": "LSb",
          "min": -1,
          "typ": 1,
          "max": 1,
          "conditions": "VDD = 3.0V, TA = 25°C; no missing codes; VREF = 3.0V",
          "source_page": 293,
          "source": "datasheet"
        },
        {
          "name": "ADC offset error",
          "symbol": "EOFF",
          "kind": "tolerance",
          "unit": "LSb",
          "min": -2.5,
          "typ": 1,
          "max": 2.5,
          "conditions": "VDD = 3.0V, TA = 25°C; VREF = 3.0V",
          "source_page": 293,
          "source": "datasheet"
        },
        {
          "name": "ADC gain error",
          "symbol": "EGN",
          "kind": "tolerance",
          "unit": "LSb",
          "min": -2,
          "typ": 1,
          "max": 2,
          "conditions": "VDD = 3.0V, TA = 25°C; VREF = 3.0V",
          "source_page": 293,
          "source": "datasheet"
        },
        {
          "name": "Comparator input offset voltage",
          "symbol": "VIOFF",
          "kind": "tolerance",
          "unit": "mV",
          "min": -60,
          "typ": 7.5,
          "max": 60,
          "conditions": "VDD = 3.0V, TA = 25°C; CxSP = 1, VICM = VDD/2",
          "source_page": 296,
          "source": "datasheet"
        },
        {
          "name": "Comparator response time, rising edge",
          "symbol": "TRESP",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 400,
          "max": 800,
          "conditions": "VDD = 3.0V, TA = 25°C; CxSP = 1",
          "source_page": 296,
          "source": "datasheet"
        },
        {
          "name": "Comparator response time, falling edge",
          "symbol": "TRESP",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": 400,
          "conditions": "VDD = 3.0V, TA = 25°C; CxSP = 1",
          "source_page": 296,
          "source": "datasheet"
        },
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