ATMEGA168PA-AUAlternatives & Equivalent Parts

About ATMEGA168PA-AU

ATMEGA168PA-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.

Specification Comparison

ParameterATMEGA168PA-AUSourceOPA140AIDATMEGA168A-AUATMEGA168P-20AUATMEGA168-20AU
ManufacturerMicrochipTexas InstrumentsMicrochipMicrochipMicrochip
Package TypeQuad Flat PackagesSmall Outline PackagesQuad Flat PackagesQuad Flat PackagesQuad Flat Packages
Pin Count328323232
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$1.4239$1.5375$1.7700$3.0200
Electrical Parameters
Pbfree CodeYesYesYesYesYes
Manufacturer Package CodeTQFP-32TQFP-32TQFP-32TQFP-32
Reach Compliance CodeCompliant
Factory Lead Time6 Weeks6 Weeks9 Weeks7 Weeks
YTEOL1415141414
Has ADCYESYESYESYES
Additional FeatureIT ALSO OPERATES 1.8V AT 4 MHZIT ALSO OPERATES 1.8V AT 4 MHZOPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
Bit Size8888
Boundary ScanNONONONO
CPU FamilyAVR RISCAVR RISCAVR RISCAVR RISC
Clock Frequency-Max20 MHz20 MHz20 MHz20 MHz
DAC ChannelsNONONONO
DMA ChannelsNONONONO
FormatFIXED POINTFIXED POINTFIXED POINTFIXED POINT
Integrated CacheNONONONO
JESD-30 CodeS-PQFP-G32R-PDSO-G8S-PQFP-G32S-PQFP-G32S-PQFP-G32
JESD-609 Codee3e4e3e3e3
Low Power ModeYESYESYESYES
Number of External Interrupts2222
Number of I/O Lines23232323
Number of Serial I/Os1111
Number of Timers3333
On Chip Data RAM Width8888
On Chip Program ROM Width1616168
PWM ChannelsYESYESYESYES
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeQFP32,.35SQ,32SOP8,.25TQFP32,.35SQ,32TQFP32,.35SQ,32TQFP32,.35SQ,32
Package ShapeSQUARERECTANGULARSQUARESQUARESQUARE
Package StyleFLATPACK, THIN PROFILESMALL OUTLINEFLATPACK, THIN PROFILEFLATPACK, THIN PROFILEFLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel)260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
RAM (bytes)1024102410241024
RAM (words)10241024512
ROM (words)81928192819216384
ROM ProgrammabilityFLASHFLASHFLASHFLASH
Speed20 MHz20 MHz20 MHz20 MHz
Supply Current-Max2.7 mA2.7 mA12 mA9 mA12 mA
Supply Voltage-Max5.5 V5.5 V5.5 V5.5 V
Supply Voltage-Min5 V5 V4.5 V3 V
Supply Voltage-Nom5 V5 V5 V3 V
Surface MountYESYESYESYESYES
TechnologyCMOSJFETCMOSCMOSCMOS
Temperature GradeINDUSTRIALAUTOMOTIVEINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishMatte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.8 mm1.27 mm0.8 mm0.8 mm0.8 mm
Terminal PositionQUADDUALQUADQUADQUAD
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISC
## ATMEGA168PA-AU Alternates Showing resultsImage
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)0.003 µA
Bias Current-Max (IIB) @25C0.00001 µA
Common-mode Reject Ratio-Min126 dB
Common-mode Reject Ratio-Nom140 dB
Frequency CompensationYES
Input Offset Current-Max (IIO)0.001 µA
Input Offset Voltage-Max120 µV
Low-BiasYES
Low-OffsetYES
MicropowerNO
Neg Supply Voltage Limit-Max-20 V
Neg Supply Voltage-Nom (Vsup)-18 V
Number of Functions1
Packing MethodTUBE
PowerNO
Programmable PowerNO
Slew Rate-Nom20 V/us
Supply Voltage Limit-Max20 V
Supply Voltage-Nom (Vsup)18 V
Time@Peak Reflow Temperature-Max (s)3040
Unity Gain BW-Nom11000
Voltage Gain-Min501187.2336
WidebandNO
## OPA140AID Alternates Showing resultsImage
Screening LevelTS 16949
## ATMEGA168-20AU Alternates Showing resultsImage

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

Quick Links

OPA140AID

suggested

ATMEGA168A-AUby Microchip Technology Inc

20 MHz, TQFP, Ind Temp, Green

ATMEGA168P-20AUby Microchip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32

ATMEGA168-20AUby Microchip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32

Why Look for Alternatives?

Finding alternatives for ATMEGA168PA-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 ATMEGA168PA-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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Request Alternatives for ATMEGA168PA-AU

FAQ

What is equivalent to ATMEGA168PA-AU?

Known equivalents for ATMEGA168PA-AU include OPA140AID, ATMEGA168A-AU, ATMEGA168P-20AU. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ATMEGA168PA-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 ATMEGA168PA-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.