ATMEGA328PB-AUAlternatives & Equivalent Parts

About ATMEGA328PB-AU

ATMEGA328PB-AU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Get one quote covering all 14 alternatives for ATMEGA328PB-AU — response within 24 hours.

Specification Comparison

ParameterATMEGA328PB-AUSourceATMEGA328PB-ANATMEGA328PB-ANRATMEGA328PB-MN282844-2TLV70133DBVT22-28-4023STM32F107VCT6825433-3SN74HCT244DWSN74HCT245DWATMEGA328PB-AURATMEGA3208-AUATMEGA32M1-AUATMEGA3208-AFR
ManufacturerMicrochipMicrochipMicrochipMicrochipTE ConnectivityTexas InstrumentsMolexSTMicroelectronicsTE ConnectivityTexas InstrumentsTexas InstrumentsMicrochipMicrochipMicrochipMicrochip
Package TypeQuad Flat PackagesQuad Flat PackagesQuad Flat PackagesQuad Flat No-LeadOtherSOT23 (5-Pin)Header, VerticalQuad Flat PackagesHeader, VerticalSmall Outline PackagesSOIC-WideQuad Flat PackagesQuad Flat PackagesQuad Flat PackagesQuad Flat Packages
Pin Count323232322521003202032323232
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 105.0°C-40.0°C ~ 105.0°C-40.0°C ~ 105.0°C———-40.0°C ~ 85.0°C-65.0°C ~ 105.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C
Price$1.3500$1.2000$1.2800$1.1300$0.2060$0.2612$0.0612$4.5264$0.2100$0.1388$0.1600$1.2400$1.2000$4.3400$1.2500
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYes—Yes—Yes——Yes—Yes—
Manufacturer Package CodeTQFP-32TQFP-32TQFP-32VQFN-32———————TQFP-32TQFP-32TQFP-32TQFP-32
Factory Lead Time2 Weeks4 Weeks9 Weeks10 Weeks———13 Weeks22 Weeks, 6 Days——7 Weeks7 Weeks7 Weeks7 Weeks
YTEOL14181818609.199.10—18181418
Has ADCYESYESYESYES———YES———YESYESYESYES
Additional FeatureALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLYALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLYALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLYALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLYBUCHANAN, POLYAMIDE66, 94V-0—SURFACE-MOUNT COMPATIBLE—AMPMODU——ALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLYALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 5MHZOPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZALSO OPERATES AT 2.7V MINIMUM SUPPLY AT 8MHZ
Bit Size8888———32———8888
Boundary ScanNONONONO———YES———NONONOYES
CPU FamilyAVR RISCAVR RISCAVR RISCAVR RISC———CORTEX-M3———AVR RISCAVR RISCAVR RISCAVR RISC
Clock Frequency-Max20 MHz20 MHz20 MHz20 MHz———50 MHz———20 MHz20 MHz16 MHz20 MHz
DAC ChannelsNONONONO———YES———NONOYESNO
DMA ChannelsNONONONO———YES———NONONONO
FormatFIXED POINTFIXED POINTFIXED POINTFIXED POINT———————FIXED POINTFIXED POINTFIXED POINTFIXED POINT
Integrated CacheNONONONO———————NONONONO
JESD-30 CodeS-PQFP-G32S-PQFP-G32S-PQFP-G32S-PQCC-N32—R-PDSO-G5—S-PQFP-G100—R-PDSO-G20—S-PQFP-G32S-PQFP-G32S-PQFP-G32S-PQFP-G32
JESD-609 Codee3e3e3e3—e4e3e4—e4—e3e3e3e3
Low Power ModeYESYESYESYES———————YESYESYESYES
Number of I/O Lines27272727———80———27272727
Number of Serial I/Os2222———————2333
Number of Timers5555———————5424
On Chip Data RAM Width8888———————8888
On Chip Program ROM Width16161616———8———16888
PWM ChannelsYESYESYESYES———YES———YESNOYESNO
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXY—PLASTIC/EPOXY—PLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTQFP32,.35SQ,32TQFP32,.35SQ,32TQFP32,.35SQ,32LCC32,.2SQ,20—TSOP5/6,.11,37—QFP100,.63SQ,20—SOP20,.4—TQFP32,.35SQ,32TQFP32,.35SQ,32TQFP32,.35SQ,32TQFP32,.35SQ,32
Package ShapeSQUARESQUARESQUARESQUARE—RECTANGULAR—SQUARE—RECTANGULAR—SQUARESQUARESQUARESQUARE
Package StyleFLATPACK, THIN PROFILEFLATPACK, THIN PROFILEFLATPACK, THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE—SMALL OUTLINE, LOW PROFILE, SHRINK PITCH—FLATPACK, LOW PROFILE, FINE PITCH—SMALL OUTLINE—FLATPACK, THIN PROFILEFLATPACK, THIN PROFILEFLATPACK, THIN PROFILEFLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel)260260260260—260—260—260—260260260260
RAM (bytes)2048204820482048———65536———2048409610244096
ROM (words)16384163841638416384———262144———16384327683276832768
ROM ProgrammabilityFLASHFLASHFLASHFLASH———FLASH———FLASHFLASHFLASHFLASH
Screening LevelTS 16949TS 16949TS 16949TS 16949———————TS 16949——AEC-Q100
Speed20 MHz20 MHz20 MHz20 MHz———72 MHz———20 MHz20 MHz16 MHz16 MHz
Supply Current-Max9 mA10 mA10 mA10 mA———68 mA———9 mA200 mA15 mA200 mA
Supply Voltage-Max5.5 V5.5 V5.5 V5.5 V———3.6 V———5.5 V5.5 V5.5 V5.5 V
Supply Voltage-Min4.5 V4.5 V4.5 V4.5 V———3.3 V———4.5 V5 V5 V4.5 V
Supply Voltage-Nom5 V5 V5 V5 V———3.3 V———5 V5 V5 V5 V
Surface MountYESYESYESYES—YES—YES—YES—YESYESYESYES
TechnologyCMOSCMOSCMOSCMOS—CMOS—CMOS—CMOS—CMOSCMOSCMOSCMOS
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIAL———INDUSTRIAL—INDUSTRIAL—INDUSTRIALINDUSTRIALINDUSTRIALAUTOMOTIVE
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)—Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)—Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGNO LEAD—GULL WING—GULL WING—GULL WING—GULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.8 mm0.8 mm0.8 mm0.5 mm—0.95 mm2.54 mm0.5 mm2.54 mm1.27 mm—0.8 mm0.8 mm0.8 mm0.8 mm
Terminal PositionQUADQUADQUADQUAD—DUAL—QUAD—DUAL—QUADQUADQUADQUAD
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISC———MICROCONTROLLER, RISC———MICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISC
## ATMEGA328PB-AU Alternates Showing resultsImage——————————————
Reach Compliance Code—Compliant——Compliant——————————
Time@Peak Reflow Temperature-Max (s)—40———30—30—30—40—40—
## ATMEGA328PB-AN Alternates Showing results—Image—————————————
## ATMEGA328PB-ANR Alternates Showing results——Image————————————
## ATMEGA328PB-MN Alternates Showing results———Image———————————
Fastening Method————SCREW——————————
Mounting Type————BOARD—BOARD—BOARD——————
Number of Decks————1——————————
Number of Rows————1——————————
Number of Ways————2——————————
Rated Current————17.5 A——————————
Rated Voltage————300 V——————————
Safety Approval————UL——————————
Terminal and Terminal Block Type————MODULAR TERMINAL BLOCK——————————
Wire Cross Section————2 mm2——————————
Wire Gauge————12 AWG——————————
Primary Product Color Green————Configuration Features: Stacked Levels Without——————————
Wire Entry Location Side————Number of Positions 2——————————
Stacking Configuration Side Stackable————Contact Features: Contact Current Rating (Max) 17.5 AMP——————————
Contact Mating Area Plating Material Tin————Dimensions: Wire Size 30 – 12 AWG——————————
Adjustability—————FIXED—————————
Dropout Voltage1-Max—————0.4 V—————————
Dropout Voltage1-Nom—————0.4 V—————————
Input Voltage Absolute-Max—————24 V—————————
Input Voltage-Max—————24 V—————————
Input Voltage-Min—————4.3 V—————————
Line Regulation-Max—————0.05%—————————
Load Regulation-Max—————0.05%—————————
Number of Functions—————1———8—————
Number of Outputs—————1—————————
Operating Temperature TJ-Max—————125 °C—————————
Operating Temperature TJ-Min—————-40 °C—————————
Output Current1-Max—————0.15 A—————————
Output Voltage1-Max—————3.366 V—————————
Output Voltage1-Min—————3.234 V—————————
Output Voltage1-Nom—————3.3 V—————————
Packing Method—————TR, 7 INCH———TUBE—————
Qualification Status—————Not Qualified—Not Qualified—Not Qualified———Not Qualified—
Regulator Type—————FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR—————————
Voltage Tolerance-Max—————2%—————————
## TLV70133DBVT Alternates Showing results—————Image—————————
Body Breadth——————0.098 inch—0.145 inch——————
Body Depth——————0.09 inch—0.11 inch——————
Body Length——————0.2 inch—0.3 inch——————
Connector Type——————BOARD CONNECTOR—BOARD CONNECTOR——————
Contact Finish Mating——————NOT SPECIFIED—NOT APPLICABLE——————
Contact Finish Termination——————Tin (Sn)————————
Contact Gender——————MALE—MALE——————
Contact Material——————NOT SPECIFIED—NOT APPLICABLE——————
Contact Pattern——————RECTANGULAR—RECTANGULAR——————
Contact Resistance——————10 mΩ————————
Contact Style——————SQ PIN-SKT—SQ PIN-SKT——————
DIN Conformance——————NO—NO——————
Dielectric Withstanding Voltage——————1500VAC V————————
Durability——————25 Cycles————————
Filter Feature——————NO—NO——————
IEC Conformance——————NO—NO——————
Insertion Force-Max——————4.9 N————————
Insulation Resistance——————1000000000 Ω—5000000000 Ω——————
Insulator Color——————BLACK—GREEN——————
Insulator Material——————GLASS FILLED POLYAMIDE—POLYBUTYLENE TEREPHTHALATE——————
MIL Conformance——————NO—NO——————
Mating Contact Pitch——————0.1 inch—0.1 inch——————
Mixed Contacts——————NO—NO——————
Mounting Option 1——————LOCKING—LOCKING——————
Mounting Style——————STRAIGHT—STRAIGHT——————
Number Of Connectors——————ONE—ONE——————
Number Of PCB Rows——————1—1——————
Number of Rows Loaded——————1—1——————
Option——————GENERAL PURPOSE—GENERAL PURPOSE——————
PCB Contact Pattern——————RECTANGULAR—RECTANGULAR——————
Plating Thickness——————15u inch—31.5u inch——————
Rated Current (Signal)——————4 A—5 A——————
Reference Standard——————UL—CSA, LR, U——————
Terminal Length——————0.125 inch—0.126 inch——————
Termination Type——————SOLDER—SOLDER——————
Total Number of Contacts——————2—3——————
UL Flammability Code——————94V-0—94V-0——————
Withdrawl Force-Min——————0.56 N————————
EMI Shielded————————NO——————
Empty Shell————————NO——————
Mains Connector Rating————————5A——————
Number of Ports————————12—————
Panel Mount————————NO——————
Configuration Features: Number of Positions 3————————Number of Rows 1——————
PCB Mount Orientation Vertical————————Connector Contact Load Condition Fully Loaded——————
Contact Base Material Brass————————Contact Current Rating (Max) 5 AMP——————
Control Type—————————ENABLE LOW—————
Count Direction—————————UNIDIRECTIONAL—————
Family—————————HCT—————
Load Capacitance (CL)—————————150 pF—————
Logic IC Type—————————BUS DRIVER—————
Max I(ol)—————————0.006 A—————
Number of Bits—————————48————
Output Characteristics—————————3-STATE—————
Output Polarity—————————TRUE—————
Power Supply Current-Max (ICC)—————————0.08 mA—————
Prop. Delay@Nom-Sup—————————35 ns—————
Propagation Delay (tpd)—————————56 ns—————
Supply Voltage-Max (Vsup)—————————5.5 V—————
Supply Voltage-Min (Vsup)—————————4.5 V—————
Supply Voltage-Nom (Vsup)—————————5 V—————
## SN74HCT244DW Alternates Showing results—————————Image—————
Supply Voltage——————————4.5–5.5 V————
Logic Family——————————HCT————
Propagation Delay (typ)——————————10 ns————
Output Current (IOH/IOL)——————————±25 mA————
Operating Temperature——————————-40 to +85 °C————
Package——————————SOIC-Wide (DW)————
Pin Count——————————20————
Input Type——————————TTL-compatible————
Output Type——————————3-State————
Date Of Intro————————————2019-08-07—2019-08-07
Number of External Interrupts————————————747
## ATMEGA3208-AU Alternates Showing results————————————Image——

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 14 alternatives for ATMEGA328PB-AU — response within 24 hours.

Quick Links

ATMEGA328PB-AN

Microchip Technology Inc 20MHZ, TQFP, Extended TEMP, GREEN 5 V

ATMEGA328PB-ANR

Microchip Technology Inc 20MHZ,TQFP, Extended TEMP, GREEN 5 V T&R

282844-2

suggested

825433-3

suggested

ATMEGA328PB-AURby Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN 5 V T&R

ATMEGA3208-AUby Microchip Technology Inc

20MHz,32KB, TQFP32,Ind 85C, Green, TRAY

ATMEGA32M1-AUby Microchip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP32

ATMEGA3208-AFRby Microchip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP32

Why Look for Alternatives?

Finding alternatives for ATMEGA328PB-AU is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating ATMEGA328PB-AU replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to ATMEGA328PB-AU?

Known equivalents for ATMEGA328PB-AU include ATMEGA328PB-AN, ATMEGA328PB-ANR, ATMEGA328PB-MN. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ATMEGA328PB-AU?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify ATMEGA328PB-AU alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.