component
ATMEGA168PB-AU
Public Made by Adomby adom
Microchip Tech ATMEL & AVR, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "atmega168pb-au",
"title": "ATMEGA168PB-AU",
"brief": "Microchip Tech ATMEL & AVR, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"component": {
"mpn": "ATMEGA168PB-AU",
"manufacturer": "Microchip Tech",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Embedded Processors & Controllers",
"subcategory": "ATMEL & AVR",
"datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega48PB-88PB-168PB-DataSheet-DS40001909B.pdf",
"parts": {
"symbol": "atmega168pb-au.kicad_sym",
"footprint": "atmega168pb-au.kicad_mod",
"model_3d": "atmega168pb-au-hero.glb",
"model_3d_plain": "atmega168pb-au-etched.glb",
"model_3d_step": "atmega168pb-au-etched.step",
"model_3d_step_plain": "atmega168pb-au.step",
"lbr": "atmega168pb-au.lbr"
},
"distributor_links": {
"lcsc": "C194438",
"digikey": "ATMEGA168PB-AU-ND",
"mouser": "556-ATMEGA168PB-AU"
},
"distributor_check": {
"checked_at": "2026-11-04T23:20:59Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "ATMEGA168PB-AU-ND",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "PD3",
"type": "bidirectional",
"description": "Port D bit 3, an 8-bit bidirectional I/O pin with internal pull-up; alternate functions INT1, OC2B and PCINT19."
},
{
"number": "2",
"name": "PD4",
"type": "bidirectional",
"description": "Port D bit 4 bidirectional I/O with internal pull-up; alternate functions XCK (USART external clock), T0 and PCINT20."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "VCC",
"type": "power_in",
"description": "Digital supply voltage, 1.8 to 5.5 V operating range."
},
{
"number": "5",
"name": "PE0",
"type": "bidirectional",
"description": "Port E bit 0 bidirectional I/O with internal pull-up; alternate function ACO (analog comparator output)."
},
{
"number": "6",
"name": "PE1",
"type": "bidirectional",
"description": "Port E bit 1 bidirectional I/O with internal pull-up; no alternate function."
},
{
"number": "7",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6 I/O; alternate XTAL1/TOSC1 and PCINT6, serving as input to the inverting oscillator amplifier when used as a clock pin."
},
{
"number": "8",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7 I/O; alternate XTAL2/TOSC2 and PCINT7, serving as output from the inverting oscillator amplifier when used as a clock pin."
},
{
"number": "9",
"name": "PD5",
"type": "bidirectional",
"description": "Port D bit 5 bidirectional I/O with internal pull-up; alternate functions T1, OC0B and PCINT21."
},
{
"number": "10",
"name": "PD6",
"type": "bidirectional",
"description": "Port D bit 6 bidirectional I/O with internal pull-up; alternate functions AIN0 (analog comparator positive input), OC0A and PCINT22."
},
{
"number": "11",
"name": "PD7",
"type": "bidirectional",
"description": "Port D bit 7 bidirectional I/O with internal pull-up; alternate functions AIN1 (analog comparator negative input) and PCINT23."
},
{
"number": "12",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0 bidirectional I/O with internal pull-up; alternate functions ICP1 (Timer/Counter1 input capture), CLKO (divided system clock output) and PCINT0."
},
{
"number": "13",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1 bidirectional I/O with internal pull-up; alternate functions OC1A and PCINT1."
},
{
"number": "14",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2 bidirectional I/O with internal pull-up; alternate functions SS (SPI slave select), OC1B and PCINT2."
},
{
"number": "15",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3 bidirectional I/O with internal pull-up; alternate functions MOSI, OC2A and PCINT3."
},
{
"number": "16",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4 bidirectional I/O with internal pull-up; alternate functions MISO (SPI master input/slave output) and PCINT4."
},
{
"number": "17",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5 bidirectional I/O with internal pull-up; alternate functions SCK (SPI clock) and PCINT5."
},
{
"number": "18",
"name": "AVCC",
"type": "power_in",
"description": "Supply voltage pin for the A/D converter, PC3:0 and PE3:2; it should be externally connected to VCC even if the ADC is not used."
},
{
"number": "19",
"name": "PE2",
"type": "bidirectional",
"description": "Port E bit 2 bidirectional I/O; also ADC input channel 6 powered from the analog supply."
},
{
"number": "20",
"name": "AREF",
"type": "input",
"description": "Analog reference pin for the A/D converter."
},
{
"number": "21",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "22",
"name": "PE3",
"type": "bidirectional",
"description": "Port E bit 3 bidirectional I/O; also ADC input channel 7 powered from the analog supply."
},
{
"number": "23",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0 I/O; also ADC input channel 0 (analog power) and PCINT8."
},
{
"number": "24",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1 I/O; also ADC input channel 1 (analog power) and PCINT9."
},
{
"number": "25",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2 I/O; also ADC input channel 2 (analog power) and PCINT10."
},
{
"number": "26",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3 I/O; also ADC input channel 3 (analog power) and PCINT11."
},
{
"number": "27",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4 I/O; alternate functions SDA (2-wire serial data), ADC4 (digital power) and PCINT12."
},
{
"number": "28",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5 I/O; alternate functions SCL (2-wire serial clock), ADC5 (digital power) and PCINT13."
},
{
"number": "29",
"name": "PC6",
"type": "input",
"description": "Port C bit 6; when the RSTDISBL fuse is unprogrammed it is the active-low Reset input, and a low level longer than the minimum pulse length generates a Reset."
},
{
"number": "30",
"name": "PD0",
"type": "bidirectional",
"description": "Port D bit 0 bidirectional I/O with internal pull-up; alternate functions RXD (USART receive data) and PCINT16."
},
{
"number": "31",
"name": "PD1",
"type": "bidirectional",
"description": "Port D bit 1 bidirectional I/O with internal pull-up; alternate functions TXD (USART transmit data) and PCINT17."
},
{
"number": "32",
"name": "PD2",
"type": "bidirectional",
"description": "Port D bit 2 bidirectional I/O with internal pull-up; alternate functions INT0 and PCINT18."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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: Figure 2-1 (TQFP-32 pinout) is only partly recoverable from the text extraction, which is scrambled."
],
"pages_sent": 72,
"cost_usd": 0.2771,
"at": "2026-11-04T23:20:49"
},
"datasheet": {
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"sha256": "fd779f826965254e",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
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"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-32(7x7)",
"Category": "Embedded Processors & Controllers",
"Pins": "32"
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"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "fd779f826965254ea8f40664d6f2c8a94d3e2eb1f1ccb3d21641547f82da3904",
"rows": [
{
"name": "Operating Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 309,
"source": "datasheet"
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{
"name": "Storage Temperature",
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"min": -65,
"typ": null,
"max": 150,
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{
"name": "Voltage on any pin except RESET with respect to Ground (max VCC+0.5)",
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{
"name": "DC Current per I/O Pin",
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"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 309,
"source": "datasheet"
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{
"name": "DC Current VCC and GND Pins",
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{
"name": "Supply voltage operating range",
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"min": 1.8,
"typ": null,
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{
"name": "Operating temperature, industrial grade (ATmega168PB-AU)",
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"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Industrial (-40C to 85C)",
"source_page": 382,
"source": "datasheet"
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{
"name": "Input Low Voltage, except XTAL1 and RESET pin (max 0.2VCC)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 1.8V - 2.4V",
"source_page": 309,
"source": "datasheet"
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{
"name": "Input Low Voltage, except XTAL1 and RESET pin (max 0.3VCC)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 2.4V - 5.5V",
"source_page": 309,
"source": "datasheet"
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{
"name": "Input Low Voltage, XTAL1 pin (max 0.1VCC)",
"symbol": "VIL1",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 1.8V - 5.5V",
"source_page": 309,
"source": "datasheet"
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{
"name": "Input Low Voltage, RESET pin (max 0.1VCC)",
"symbol": "VIL2",
"kind": "electrical",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 1.8V - 5.5V",
"source_page": 309,
"source": "datasheet"
},
{
"name": "Input Low Voltage, RESET pin as I/O (max 0.2VCC)",
"symbol": "VIL3",
"kind": "electrical",
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"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 1.8V - 2.4V",
"source_page": 309,
"source": "datasheet"
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{
"name": "Input Low Voltage, RESET pin as I/O (max 0.3VCC)",
"symbol": "VIL3",
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"min": -0.5,
"typ": null,
"max": null,
"conditions": "VCC = 2.4V - 5.5V",
"source_page": 309,
"source": "datasheet"
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{
"name": "Output Low Voltage, except RESET pin",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.9,
"conditions": "IOL = 20mA, VCC = 5V, TA=85C",
"source_page": 309,
"source": "datasheet"
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{
"name": "Output Low Voltage, except RESET pin",
"symbol": "VOL",
"kind": "electrical",
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"typ": null,
"max": 0.6,
"conditions": "IOL = 10mA, VCC = 3V, TA=85C",
"source_page": 309,
"source": "datasheet"
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{
"name": "Output High Voltage, except Reset pin",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": null,
"conditions": "IOH = -20mA, VCC = 5V, TA=85C",
"source_page": 310,
"source": "datasheet"
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{
"name": "Output High Voltage, except Reset pin",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.1,
"typ": null,
"max": null,
"conditions": "IOH = -10mA, VCC = 3V, TA=85C",
"source_page": 310,
"source": "datasheet"
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{
"name": "Input Leakage Current I/O Pin (absolute value)",
"symbol": "IIL",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VCC = 5.5V, pin low",
"source_page": 310,
"source": "datasheet"
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{
"name": "Reset Pull-up Resistor",
"symbol": "RRST",
"kind": "electrical",
"unit": "kΩ",
"min": 30,
"typ": null,
"max": 60,
"conditions": "",
"source_page": 310,
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{
"name": "I/O Pin Pull-up Resistor",
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"min": 20,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 310,
"source": "datasheet"
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{
"name": "Analog Comparator Input Offset Voltage",
"symbol": "VACIO",
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"unit": "mV",
"min": null,
"typ": null,
"max": 40,
"conditions": "VCC = 1.8-5V, 0V<Vin < VCC-0.1V",
"source_page": 310,
"source": "datasheet"
},
{
"name": "Analog Comparator Input Leakage Current",
"symbol": "IACLK",
"kind": "electrical",
"unit": "nA",
"min": -50,
"typ": null,
"max": 50,
"conditions": "VCC = 5V, Vin = VCC/2",
"source_page": 310,
"source": "datasheet"
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{
"name": "Power Supply Current, Active 1MHz",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.35,
"max": 0.5,
"conditions": "Active 1MHz, VCC = 2V, T = 85°C",
"source_page": 312,
"source": "datasheet"
},
{
"name": "Power Supply Current, Active 4MHz",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.9,
"max": 2.5,
"conditions": "Active 4MHz, VCC = 3V, T = 85°C",
"source_page": 312,
"source": "datasheet"
},
{
"name": "Power Supply Current, Active 8MHz",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5,
"max": 9,
"conditions": "Active 8MHz, VCC = 5V, T = 85°C",
"source_page": 312,
"source": "datasheet"
},
{
"name": "Power Supply Current, Idle 1MHz",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.06,
"max": 0.15,
"conditions": "Idle 1MHz, VCC = 2V, T = 85°C",
"source_page": 312,
"source": "datasheet"
},
{
"name": "Power Supply Current, Idle 4MHz",
"symbol": "ICC",
"kind": "electrical",
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"min": null,
"typ": 0.37,
"max": 0.7,
"conditions": "Idle 4MHz, VCC = 3V, T = 85°C",
"source_page": 312,
"source": "datasheet"
},
{
"name": "Power Supply Current, Idle 8MHz",
"symbol": "ICC",
"kind": "electrical",
"unit": "mA",
"min": null,
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