component
PIC18F46K20-I
Public Made by Adomby adom
Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "pic18f46k20-i",
"title": "PIC18F46K20-I",
"brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-44(10x10). 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",
"pic18f46k20-i",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PIC18F46K20-I",
"manufacturer": "Microchip Tech",
"package": "TQFP-44(10x10)",
"pin_count": 44,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182037783265280",
"parts": {
"symbol": "pic18f46k20-i.kicad_sym",
"footprint": "pic18f46k20-i.kicad_mod",
"model_3d": "pic18f46k20-i-hero.glb",
"model_3d_plain": "pic18f46k20-i-etched.glb",
"model_3d_step": "pic18f46k20-i-etched.step",
"model_3d_step_plain": "pic18f46k20-i.step",
"lbr": "pic18f46k20-i.lbr"
},
"distributor_links": {
"lcsc": "C70902"
},
"distributor_check": {
"checked_at": "2026-10-19T09:02:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "error"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "RC7/RX/DT",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; EUSART asynchronous receive input (RX) or synchronous data I/O (DT)."
},
{
"number": "2",
"name": "RD4/PSP4",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 4 (PSP4)."
},
{
"number": "3",
"name": "RD5/PSP5/P1B",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 5 or ECCP1 Enhanced PWM output channel B (P1B)."
},
{
"number": "4",
"name": "RD6/PSP6/P1C",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 6 or ECCP1 Enhanced PWM output channel C (P1C)."
},
{
"number": "5",
"name": "RD7/PSP7/P1D",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 7 or ECCP1 Enhanced PWM output channel D (P1D)."
},
{
"number": "6",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for logic and I/O pins."
},
{
"number": "7",
"name": "VDD",
"type": "power_in",
"description": "Positive supply for logic and I/O pins."
},
{
"number": "8",
"name": "RB0/INT0/FLT0/AN12",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; external interrupt 0 (INT0), ECCP1 PWM Fault input (FLT0), or ADC analog input channel 12."
},
{
"number": "9",
"name": "RB1/INT1/AN10/C12IN3-",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; external interrupt 1 (INT1), ADC analog input channel 10, or comparator C1/C2 inverting input channel 3."
},
{
"number": "10",
"name": "RB2/INT2/AN8",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; external interrupt 2 (INT2) or ADC analog input channel 8."
},
{
"number": "11",
"name": "RB3/AN9/C12IN2-/CCP2",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; ADC analog input channel 9, comparator C1/C2 inverting input channel 2, or CCP2 capture/compare/PWM (alternate pin when CCP2MX is cleared)."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "14",
"name": "RB4/KBI0/AN11",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI0 or ADC analog input channel 11."
},
{
"number": "15",
"name": "RB5/KBI1/PGM",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI1 or low-voltage ICSP programming enable (PGM)."
},
{
"number": "16",
"name": "RB6/KBI2/PGC",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI2 or in-circuit debugger and ICSP programming clock (PGC)."
},
{
"number": "17",
"name": "RB7/KBI3/PGD",
"type": "bidirectional",
"description": "Digital I/O with programmable weak pull-up; interrupt-on-pin-change KBI3 or in-circuit debugger and ICSP programming data (PGD)."
},
{
"number": "18",
"name": "MCLR/VPP/RE3",
"type": "input",
"description": "Active-low Master Clear (device Reset) input when MCLRE is enabled, programming voltage input (VPP), or digital input RE3 when MCLR is disabled."
},
{
"number": "19",
"name": "RA0/AN0/C12IN0-",
"type": "bidirectional",
"description": "Digital I/O (TTL input); ADC analog input channel 0 or comparator C1/C2 inverting input channel 0."
},
{
"number": "20",
"name": "RA1/AN1/C12IN0-",
"type": "bidirectional",
"description": "Digital I/O (TTL input); ADC analog input channel 1 or comparator C1/C2 inverting input (printed as C12IN0- in the 40/44-pin table)."
},
{
"number": "21",
"name": "RA2/AN2/VREF-/CVREF/C2IN+",
"type": "bidirectional",
"description": "Digital I/O (TTL input); ADC analog input channel 2, A/D reference voltage (low) input VREF-, comparator reference voltage output CVREF, or comparator C2 non-inverting input."
},
{
"number": "22",
"name": "RA3/AN3/VREF+/C1IN+",
"type": "bidirectional",
"description": "Digital I/O (TTL input); ADC analog input channel 3, A/D reference voltage (high) input VREF+, or comparator C1 non-inverting input."
},
{
"number": "23",
"name": "RA4/T0CKI/C1OUT",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Timer0 external clock input (T0CKI) or comparator C1 output."
},
{
"number": "24",
"name": "RA5/AN4/SS/HLVDIN/C2OUT",
"type": "bidirectional",
"description": "Digital I/O (TTL input); ADC analog input channel 4, SPI slave select input (SS), high/low-voltage detect input (HLVDIN), or comparator C2 output."
},
{
"number": "25",
"name": "RE0/RD/AN5",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port read control (RD) or ADC analog input channel 5."
},
{
"number": "26",
"name": "RE1/WR/AN6",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port write control (WR) or ADC analog input channel 6."
},
{
"number": "27",
"name": "RE2/CS/AN7",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port chip select (CS) or ADC analog input channel 7."
},
{
"number": "28",
"name": "VDD",
"type": "power_in",
"description": "Positive supply for logic and I/O pins."
},
{
"number": "29",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for logic and I/O pins."
},
{
"number": "30",
"name": "OSC1/CLKIN/RA7",
"type": "bidirectional",
"description": "Oscillator crystal or external clock input (OSC1/CLKIN) in oscillator modes; otherwise general purpose I/O RA7."
},
{
"number": "31",
"name": "OSC2/CLKOUT/RA6",
"type": "bidirectional",
"description": "Oscillator crystal output (OSC2) or CLKOUT at FOSC/4 in RC mode; otherwise general purpose I/O RA6."
},
{
"number": "32",
"name": "RC0/T1OSO/T13CKI",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Timer1 oscillator output (T1OSO) or Timer1/Timer3 external clock input (T13CKI)."
},
{
"number": "33",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "35",
"name": "RC1/T1OSI/CCP2",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Timer1 oscillator input (T1OSI) or CCP2 capture/compare/PWM (default CCP2 pin when CCP2MX is set)."
},
{
"number": "36",
"name": "RC2/CCP1/P1A",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; ECCP1 capture/compare input/output or Enhanced PWM output channel A (P1A)."
},
{
"number": "37",
"name": "RC3/SCK/SCL",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; MSSP synchronous serial clock input/output for SPI (SCK) or I2C (SCL) mode."
},
{
"number": "38",
"name": "RD0/PSP0",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 0 (TTL input when PSP is enabled)."
},
{
"number": "39",
"name": "RD1/PSP1",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 1 (TTL input when PSP is enabled)."
},
{
"number": "40",
"name": "RD2/PSP2",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 2 (TTL input when PSP is enabled)."
},
{
"number": "41",
"name": "RD3/PSP3",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; Parallel Slave Port data bit 3 (TTL input when PSP is enabled)."
},
{
"number": "42",
"name": "RC4/SDI/SDA",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; MSSP SPI data input (SDI) or I2C data I/O (SDA)."
},
{
"number": "43",
"name": "RC5/SDO",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; MSSP SPI data output (SDO)."
},
{
"number": "44",
"name": "RC6/TX/CK",
"type": "bidirectional",
"description": "Digital I/O with Schmitt Trigger input; EUSART asynchronous transmit output (TX) or synchronous clock I/O (CK)."
}
],
"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: The 44-pin TQFP pin diagram is not present in the extracted text (only the 28-pin diagrams are). All; Pin types are engineering classifications, not printed in the datasheet as single types. Multi-funct; Printed names were normalized or kept as printed. The table prints RB3 as 'C12IN23-' in one row, whi"
],
"pages_sent": 85,
"cost_usd": 0.4136,
"at": "2026-10-19T09:02:32"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182037783265280",
"pages": 440,
"sha256": "4e7e234c713a2325",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 44,
"described": 44,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "pic18f46k20-i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pic18f46k20-i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "be162771e21081f4ee15bfd81a2e62a2ffff99592b0d43fd6d670e33cecc5ae6",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-44(10x10)",
"Category": "Embedded Processors & Controllers",
"Pins": "44"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4e7e234c713a2325b16ed61a6ef241b1db57e9559604e59b3c0a123e6ac1501a",
"rows": [
{
"name": "Ambient temperature under bias",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "Under bias",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Voltage on pins with respect to VSS (except VDD and MCLR)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Except VDD and MCLR; upper limit printed as (VDD + 0.3V)",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Voltage on VDD pin with respect to VSS",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4.5,
"conditions": "",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Voltage on MCLR with respect to VSS",
"symbol": "MCLR",
"kind": "absolute_maximum",
"unit": "V",
"min": 0,
"typ": null,
"max": 11,
"conditions": "",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Total power dissipation",
"symbol": "",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Maximum current out of VSS pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 350,
"conditions": "-40°C to +85°C for industrial",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Maximum current into VDD pin (PIC18F4XK20)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 350,
"conditions": "-40°C to +85°C for industrial",
"source_page": 350,
"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": 350,
"source": "datasheet"
},
{
"name": "Maximum output current sunk by any I/O pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 350,
"source": "datasheet"
},
{
"name": "Maximum output current sourced by any I/O pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 350,
"source": "datasheet"
},
{
"name": "VDDMIN (Fosc <= 16 MHz)",
"symbol": "VDDMIN",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": null,
"conditions": "Fosc <= 16 MHz",
"source_page": 351,
"source": "datasheet"
},
{
"name": "VDDMIN (Fosc <= 20 MHz)",
"symbol": "VDDMIN",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "Fosc <= 20 MHz",
"source_page": 351,
"source": "datasheet"
},
{
"name": "VDDMIN (Fosc <= 64 MHz, Industrial Temperature)",
"symbol": "VDDMIN",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
"max": null,
"conditions": "Fosc <= 64 MHz, industrial temperature",
"source_page": 351,
"source": "datasheet"
},
{
"name": "VDDMAX",
"symbol": "VDDMAX",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 351,
"source": "datasheet"
},
{
"name": "TA_MIN operating ambient temperature (industrial)",
"symbol": "TA_MIN",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": null,
"conditions": "Industrial temperature",
"source_page": 351,
"source": "datasheet"
},
{
"name": "TA_MAX operating ambient temperature (industrial)",
"symbol": "TA_MAX",
"kind": "recommended_operating",
"unit": "°C",
"min": null,
"typ": null,
"max": 85,
"conditions": "Industrial temperature",
"source_page": 351,
"source": "datasheet"
},
{
"name": "Supply Voltage (D001)",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 353,
"source": "datasheet"
},
{
"name": "RAM Data Retention Voltage (D002)",
"symbol": "VDR",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": null,
"max": null,
"conditions": "",
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