component
PIC16F77-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": "pic16f77-i",
"title": "PIC16F77-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",
"pic16f77-i",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "PIC16F77-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/8586182464926179328",
"parts": {
"symbol": "pic16f77-i.kicad_sym",
"footprint": "pic16f77-i.kicad_mod",
"model_3d": "pic16f77-i-hero.glb",
"model_3d_plain": "pic16f77-i-etched.glb",
"model_3d_step": "pic16f77-i-etched.step",
"model_3d_step_plain": "pic16f77-i.step",
"lbr": "pic16f77-i.lbr"
},
"distributor_links": {
"lcsc": "C127934"
},
"distributor_check": {
"checked_at": "2026-10-21T02:09:28Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "RC7/RX/DT",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as USART asynchronous receive input (RX) or USART synchronous data I/O (DT)."
},
{
"number": "2",
"name": "RD4/PSP4",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 4 (PSP4)."
},
{
"number": "3",
"name": "RD5/PSP5",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 5 (PSP5)."
},
{
"number": "4",
"name": "RD6/PSP6",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 6 (PSP6)."
},
{
"number": "5",
"name": "RD7/PSP7",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 7 (PSP7)."
},
{
"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/INT",
"type": "bidirectional",
"description": "Digital I/O (TTL/Schmitt Trigger when used as external interrupt) that serves as external interrupt input INT; PORTB has software-programmable weak pull-up."
},
{
"number": "9",
"name": "RB1",
"type": "bidirectional",
"description": "Digital I/O (TTL) with software-programmable PORTB weak pull-up."
},
{
"number": "10",
"name": "RB2",
"type": "bidirectional",
"description": "Digital I/O (TTL) with software-programmable PORTB weak pull-up."
},
{
"number": "11",
"name": "RB3/PGM",
"type": "bidirectional",
"description": "Digital I/O (TTL) that serves as low-voltage ICSP programming enable pin (PGM)."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; these pins should be left unconnected."
},
{
"number": "13",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; these pins should be left unconnected."
},
{
"number": "14",
"name": "RB4",
"type": "bidirectional",
"description": "Digital I/O (TTL) with software-programmable PORTB weak pull-up."
},
{
"number": "15",
"name": "RB5",
"type": "bidirectional",
"description": "Digital I/O (TTL) with software-programmable PORTB weak pull-up."
},
{
"number": "16",
"name": "RB6/PGC",
"type": "bidirectional",
"description": "Digital I/O (TTL/Schmitt Trigger in serial programming mode) that serves as In-Circuit Debugger and ICSP programming clock (PGC)."
},
{
"number": "17",
"name": "RB7/PGD",
"type": "bidirectional",
"description": "Digital I/O (TTL/Schmitt Trigger in serial programming mode) that serves as In-Circuit Debugger and ICSP programming data (PGD)."
},
{
"number": "18",
"name": "MCLR/VPP",
"type": "input",
"description": "Active-low master clear (Reset) input to the device, or programming voltage input (VPP)."
},
{
"number": "19",
"name": "RA0/AN0",
"type": "bidirectional",
"description": "Digital I/O (TTL) that also serves as analog input 0 (AN0)."
},
{
"number": "20",
"name": "RA1/AN1",
"type": "bidirectional",
"description": "Digital I/O (TTL) that also serves as analog input 1 (AN1)."
},
{
"number": "21",
"name": "RA2/AN2",
"type": "bidirectional",
"description": "Digital I/O (TTL) that also serves as analog input 2 (AN2)."
},
{
"number": "22",
"name": "RA3/AN3/VREF",
"type": "bidirectional",
"description": "Digital I/O (TTL) that also serves as analog input 3 (AN3) and A/D reference voltage input (VREF)."
},
{
"number": "23",
"name": "RA4/T0CKI",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input, open drain when configured as output) that serves as Timer0 external clock input (T0CKI)."
},
{
"number": "24",
"name": "RA5/SS/AN4",
"type": "bidirectional",
"description": "Digital I/O (TTL) that serves as SPI slave select input (SS) and analog input 4 (AN4)."
},
{
"number": "25",
"name": "RE0/RD/AN5",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port read control (RD) and analog input 5 (AN5)."
},
{
"number": "26",
"name": "RE1/WR/AN6",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port write control (WR) and analog input 6 (AN6)."
},
{
"number": "27",
"name": "RE2/CS/AN7",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port chip select control (CS) and analog input 7 (AN7)."
},
{
"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/CLKI",
"type": "input",
"description": "Oscillator crystal input or external clock source input (ST buffer in RC mode, otherwise CMOS)."
},
{
"number": "31",
"name": "OSC2/CLKO",
"type": "output",
"description": "Oscillator crystal output for crystal/resonator mode; in RC mode outputs CLKO at 1/4 the frequency of OSC1."
},
{
"number": "32",
"name": "RC0/T1OSO/T1CKI",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as Timer1 oscillator output (T1OSO) and Timer1 external clock input (T1CKI)."
},
{
"number": "33",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; these pins should be left unconnected."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "Not internally connected; these pins should be left unconnected."
},
{
"number": "35",
"name": "RC1/T1OSI/CCP2",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as Timer1 oscillator input (T1OSI) and Capture2 input/Compare2 output/PWM2 output (CCP2)."
},
{
"number": "36",
"name": "RC2/CCP1",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as Capture1 input/Compare1 output/PWM1 output (CCP1)."
},
{
"number": "37",
"name": "RC3/SCK/SCL",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as synchronous serial clock input/output for SPI mode (SCK) and I2C mode (SCL)."
},
{
"number": "38",
"name": "RD0/PSP0",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 0 (PSP0)."
},
{
"number": "39",
"name": "RD1/PSP1",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 1 (PSP1)."
},
{
"number": "40",
"name": "RD2/PSP2",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 2 (PSP2)."
},
{
"number": "41",
"name": "RD3/PSP3",
"type": "bidirectional",
"description": "Digital I/O (ST/TTL input) that serves as Parallel Slave Port data bit 3 (PSP3)."
},
{
"number": "42",
"name": "RC4/SDI/SDA",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as SPI data in (SDI) and I2C data I/O (SDA)."
},
{
"number": "43",
"name": "RC5/SDO",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as SPI data out (SDO)."
},
{
"number": "44",
"name": "RC6/TX/CK",
"type": "bidirectional",
"description": "Digital I/O (Schmitt Trigger input) that serves as USART asynchronous transmit (TX) and USART synchronous clock (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 numbers are taken from the 'QFP' column of Table 1-3 (PIC16F74/PIC16F77 pinout),; The 10x10 mm TQFP body size from the package hint does not appear in the provided text. The package ; Pin types are inferred from the datasheet I/O/P column. Pins with multiple functions (I/O with analo"
],
"pages_sent": 33,
"cost_usd": 0.1993,
"at": "2026-10-21T02:05:28"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182464926179328",
"pages": 174,
"sha256": "81a107b5141fded6",
"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": "pic16f77-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": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "pic16f77-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": "e92119d5c06f93af4b6b5960704558f16d46cc45083f123a6b40f93d8bea648e",
"checked": "2026-10-21",
"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": "81a107b5141fded6bf5a9ada75f04977c3bef7972b0ad9ebaa6f53520952b39c",
"rows": [
{
"name": "Ambient temperature under bias",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Voltage on VDD with respect to VSS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6.5,
"conditions": "",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Voltage on MCLR with respect to VSS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": 0,
"typ": null,
"max": 13.5,
"conditions": "Note 2",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Voltage on RA4 with respect to VSS",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": 0,
"typ": null,
"max": 12,
"conditions": "",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Total power dissipation",
"symbol": "",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 1,
"conditions": "Note 1",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Input clamp current",
"symbol": "IIK",
"kind": "absolute_maximum",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "VI < 0 or VI > VDD",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Output clamp current",
"symbol": "IOK",
"kind": "absolute_maximum",
"unit": "mA",
"min": -20,
"typ": null,
"max": 20,
"conditions": "VO < 0 or VO > VDD",
"source_page": 121,
"source": "datasheet"
},
{
"name": "Operating temperature (industrial)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Standard Operating Conditions, industrial",
"source_page": 123,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 5.5,
"conditions": "All configurations",
"source_page": 123,
"source": "datasheet"
},
{
"name": "Supply voltage with BOR enabled",
"symbol": "VBOR*",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "BOR enabled (Note 7)",
"source_page": 123,
"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": 123,
"source": "datasheet"
},
{
"name": "Brown-out Reset current",
"symbol": "ΔIBOR",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 25,
"max": 200,
"conditions": "BOR enabled, VDD = 5.0V",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Supply current, XT or RC oscillator",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.9,
"max": 4,
"conditions": "XT, RC osc configuration, FOSC = 4 MHz, VDD = 5.5V (Note 4)",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Supply current, HS oscillator",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5.2,
"max": 15,
"conditions": "HS osc configuration, FOSC = 20 MHz, VDD = 5.5V",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Power-down current",
"symbol": "IPD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 5,
"max": 42,
"conditions": "VDD = 4.0V, WDT enabled, -40°C to +85°C",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Power-down current",
"symbol": "IPD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": 19,
"conditions": "VDD = 4.0V, WDT disabled, -40°C to +85°C",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Power-down current",
"symbol": "IPD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 10.5,
"max": 57,
"conditions": "VDD = 4.0V, WDT enabled, -40°C to +125°C",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Power-down current",
"symbol": "IPD",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1.5,
"max": 42,
"conditions": "VDD = 4.0V, WDT disabled, -40°C to +125°C",
"source_page": 124,
"source": "datasheet"
},
{
"name": "Input low voltage, I/O ports with TTL buffer",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "4.5V ≤ VDD ≤ 5.5V",
"source_page": 125,
"source": "datasheet"
},
{
"name": "Input low voltage, OSC1 (XT and LP mode)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "OSC1 in XT and LP mode",
"source_page": 125,
"source": "datasheet"
},
{
"name": "Input high voltage, I/O ports with TTL buffer",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
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