ATSAME51J20A-AUAlternatives & Equivalent Parts
About ATSAME51J20A-AU
ATSAME51J20A-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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Specification Comparison
| Parameter | ATSAME51J20A-AUSource | ATSAME54N19A-AU | ATSAME51N20A-AU | ATSAMD51P20A-AU | ATSAMD51P19A-AU | ATSAME51N19A-AUT | ATSAME54P19A-AFT | ATSAME54N20A-AUT | ATSAMD51J19A-AUT | ATSAME51J18A-AU | ATSAME53J20A-AUT | ATSAME51J19A-AUT | ATSAME51J18A-AU-EFP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 64 | 100 | 100 | 128 | 128 | 100 | 128 | 100 | 64 | 64 | 64 | 64 | 64 |
| 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 ~ 85.0°C | -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 | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $3.7037 | $5.7200 | $6.7700 | $6.7100 | $4.6700 | $5.7200 | $7.3600 | $6.2000 | $4.6000 | $4.0300 | $5.2700 | $5.0700 | $4.6300 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||||||
| Manufacturer Package Code | TQFP-64 | TQFP-100 | TQFP-100 | TQFP-128 | TQFP-128 | TQFP-100 | TQFP-128 | TQFP-100 | TQFP-64 | TQFP-64 | TQFP-64 | TQFP-64 | TQFP-64 |
| Factory Lead Time | 1 Week | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks | 11 Weeks |
| YTEOL | 20 | 18 | 18 | 18 | 18 | 18 | 20 | 18 | 18 | 18 | 18 | 18 | 18 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| CPU Family | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F | CORTEX-M4F |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DAC Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Format | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT |
| Integrated Cache | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G64 | S-PQFP-G100 | S-PQFP-G100 | S-PQFP-G128 | S-PQFP-G128 | S-PQFP-G100 | S-PQFP-G128 | S-PQFP-G100 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Number of DMA Channels | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Number of External Interrupts | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Number of I/O Lines | 51 | 81 | 81 | 99 | 99 | 81 | 99 | 81 | 51 | 51 | 51 | 51 | 51 |
| Number of Timers | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 13 | 13 | 13 | 13 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH | FLATPACK, THIN PROFILE, FINE PITCH |
| RAM (bytes) | 262144 | 196608 | 262144 | 262144 | 196608 | 196608 | 196608 | 262144 | 196608 | 131072 | 262144 | 196608 | 131072 |
| RAM (words) | 262144 | 196608 | 262144 | 262144 | 196608 | 196608 | 196608 | 262144 | 196608 | 131072 | 262144 | 196608 | 131072 |
| ROM (words) | 1048576 | 524288 | 1048576 | 1048576 | 524288 | 524288 | 524288 | 1048576 | 524288 | 262144 | 1048576 | 524288 | 262144 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Screening Level | ISO/TS-16949 | ISO/TS-16949 | ISO/TS-16949 | TS 16949 | TS 16949 | ISO/TS-16949 | TS 16949 | ISO/TS-16949 | TS 16949 | ISO/TS-16949 | ISO/TS-16949 | ISO/TS-16949 | ISO/TS-16949 |
| Speed | 120 MHz | 120 MHz | 120 MHz | 100 MHz | 100 MHz | 120 MHz | 100 MHz | 120 MHz | 100 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Supply Current-Max | 60 mA | 360 mA | 360 mA | 60 mA | 60 mA | 360 mA | 360 mA | 360 mA | 60 mA | 60 mA | 60 mA | 60 mA | 60 mA |
| Supply Voltage-Max | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V | 3.63 V |
| Supply Voltage-Min | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.4 mm | 0.4 mm | 0.5 mm | 0.4 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATSAME51J20A-AU Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — | — |
| ## ATSAME54N19A-AU Alternates Showing results | — | Image | — | — | — | — | — | — | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | — | 260 | — | — | 260 | — | — | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — | — | 30 | — | — | 30 | — | — | — | 30 |
| Number of Serial I/Os | — | — | — | 10 | 10 | — | — | — | 8 | — | — | — | — |
| Package Equivalence Code | — | — | — | TQFP128,.55SQ | TQFP128,.55SQ | — | TQFP128,.55SQ | — | TQFP64,.47SQ | — | — | — | — |
| ## ATSAMD51P20A-AU Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — | — |
| ## ATSAMD51P19A-AU Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — | — | — |
| ## ATSAME51N19A-AUT Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — | — | — |
| ## ATSAME54P19A-AFT Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — | — | — |
| ## ATSAME54N20A-AUT 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 12 alternatives for ATSAME51J20A-AU — response within 24 hours.
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RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 120MHz, CMOS, PQFP64
CM4, TQFP64, 256KFlash, Tray, USB, CAN, Extended Flash Performance
Why Look for Alternatives?
Finding alternatives for ATSAME51J20A-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 ATSAME51J20A-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 ATSAME51J20A-AU?
Known equivalents for ATSAME51J20A-AU include ATSAME54N19A-AU, ATSAME51N20A-AU, ATSAMD51P20A-AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAME51J20A-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 ATSAME51J20A-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.