ATSAMD21J18A-AUAlternatives & Equivalent Parts

About ATSAMD21J18A-AU

ATSAMD21J18A-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 4 alternatives for ATSAMD21J18A-AU — response within 24 hours.

Specification Comparison

ParameterATSAMD21J18A-AUSourceATSAMD21J18A-AUTATSAMD20J17A-AUATSAMD21J16B-AUATSAMD21J18A-AFT
ManufacturerMicrochipMicrochipMicrochipMicrochipMicrochip
Package TypeQuad Flat PackagesQuad Flat PackagesQuad Flat PackagesQuad Flat PackagesQuad Flat Packages
Pin Count6464646464
Temperature Range-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$3.1500$3.6307$2.2200$2.3300$3.5400
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYes
Manufacturer Package CodeTQFP-64TQFP-64TQFP-64TQFP-64TQFP-64
Factory Lead Time4 Weeks1 Week7 Weeks7 Weeks7 Weeks
YTEOL1414141419
Has ADCYESYESYESYESYES
Bit Size3232323232
Boundary ScanNONOYESYESNO
CPU FamilyCortex-M0+Cortex-M0+CORTEX-M0Cortex-M0+Cortex-M0+
Clock Frequency-Max32 MHz32 MHz32 MHz32 MHz32 MHz
DAC ChannelsYESYESYESYESYES
DMA ChannelsYESYESNOYESYES
FormatFIXED POINTFIXED POINTFIXED POINTFIXED POINTFIXED POINT
Integrated CacheYESYESYESYESYES
JESD-30 CodeS-PQFP-G64S-PQFP-G64S-PQFP-G64S-PQFP-G64S-PQFP-G64
JESD-609 Codee3e3e3e3e3
Low Power ModeYESYESYESYESYES
Number of DMA Channels12121212
Number of External Interrupts1616161616
Number of I/O Lines5252525252
Number of Serial I/Os6686
Number of Timers88888
On Chip Data RAM Width88888
On Chip Program ROM Width88888
PWM ChannelsYESYESYESYESYES
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTQFP64,.47SQTQFP64,.47SQTQFP64,.47SQTQFP64,.47SQTQFP64,.47SQ
Package ShapeSQUARESQUARESQUARESQUARESQUARE
Package StyleFLATPACK, THIN PROFILE, FINE PITCHFLATPACK, THIN PROFILE, FINE PITCHFLATPACK, THIN PROFILE, FINE PITCHFLATPACK, THIN PROFILE, FINE PITCHFLATPACK, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)260260260260
Qualification StatusNot QualifiedNot QualifiedNot Qualified
RAM (bytes)327683276816384819232768
RAM (words)327683276816384819232768
ROM (words)26214426214413107265536262144
ROM ProgrammabilityFLASHFLASHFLASHFLASHFLASH
Screening LevelTS 16949TS 16949TS 16949TS 16949
Speed48 MHz48 MHz48 MHz48 MHz48 MHz
Supply Current-Max92 mA92 mA92 mA4.7 mA92 mA
Supply Voltage-Max3.63 V3.63 V3.63 V3.63 V3.63 V
Supply Voltage-Min1.62 V1.62 V3.3 V1.62 V1.62 V
Supply Voltage-Nom3.3 V3.3 V3.3 V3.3 V3.3 V
Surface MountYESYESYESYESYES
TechnologyCMOSCMOSCMOSCMOSCMOS
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALAUTOMOTIVE
Terminal FinishMatte Tin (Sn)Matte Tin (Sn) - annealedMatte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.5 mm0.5 mm0.5 mm0.5 mm0.5 mm
Terminal PositionQUADQUADQUADQUADQUAD
Time@Peak Reflow Temperature-Max (s)303030
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISCMICROCONTROLLER, RISC
## ATSAMD20J17A-AU Alternates Showing resultsImage

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

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Get one quote covering all 4 alternatives for ATSAMD21J18A-AU — response within 24 hours.

Quick Links

ATSAMD21J18A-AUTby Microchip Technology Inc

64TQFP IND TEMP, GREEN,1.6-3.6V,48MHz

ATSAMD20J17A-AUby Microchip Technology Inc

64TQFP IND TEMP, GREEN,1.6-3.6V,48MHz

ATSAMD21J16B-AUby Microchip Technology Inc

64TQFP,85C TEMP, GREEN, 3.3V, 48MHZ

ATSAMD21J18A-AFTby Microchip Technology Inc

64TQFP 125C, GREEN,1.6-3.6V,48MHz

Why Look for Alternatives?

Finding alternatives for ATSAMD21J18A-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 ATSAMD21J18A-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 ATSAMD21J18A-AU?

Known equivalents for ATSAMD21J18A-AU include ATSAMD21J18A-AUT, ATSAMD20J17A-AU, ATSAMD21J16B-AU. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ATSAMD21J18A-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 ATSAMD21J18A-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.