ATSAML21E15B-AUTAlternatives & Equivalent Parts
About ATSAML21E15B-AUT
ATSAML21E15B-AUT 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 | ATSAML21E15B-AUTSource | ATXMEGA128A4U-AU | ATXMEGA128A4U-MH | 7447709681 | BC557B | ATSAML21E18B-AUT | ATSAML21E16B-ANT |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Würth Elektronik | MULTICOMP | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead | Other | Transistor Outline, Vertical | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 32 | 44 | 44 | 2 | 3 | 32 | 32 |
| Temperature Range | -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 ~ 105.0°C |
| Price | $2.5600 | $4.4900 | $4.5600 | $1.0745 | $0.0173 | $4.3800 | $3.1000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | Yes | — | — | Yes | — |
| Manufacturer Package Code | TQFP-32 | TQFP-44 | VQFN-44 | — | — | TQFP-32 | TQFP-32 |
| Factory Lead Time | 9 Weeks | 6 Weeks | 7 Weeks | — | — | 9 Weeks | 9 Weeks |
| YTEOL | 18 | 14 | 14 | 15 | — | 19 | 18 |
| Has ADC | YES | YES | YES | — | — | YES | YES |
| Bit Size | 32 | 16 | 16 | — | — | 32 | 32 |
| Boundary Scan | NO | NO | NO | — | — | NO | NO |
| CPU Family | CORTEX-M0+ | AVR RISC | AVR RISC | — | — | CORTEX-M0+ | CORTEX-M0+ |
| Clock Frequency-Max | 32 MHz | 16 MHz | 16 MHz | — | — | 32 MHz | 32 MHz |
| DAC Channels | YES | YES | YES | — | — | YES | YES |
| DMA Channels | YES | YES | YES | — | — | YES | YES |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | YES | NO | NO | — | — | YES | YES |
| JESD-30 Code | S-PQFP-G32 | S-PQFP-G44 | S-PQCC-N44 | — | — | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e3 | e3 | e3 | e1 | — | e3 | e3 |
| Low Power Mode | YES | YES | YES | — | — | YES | YES |
| Number of DMA Channels | 16 | 4 | 4 | — | — | 16 | 16 |
| Number of External Interrupts | 16 | 34 | 34 | — | — | 16 | 16 |
| Number of I/O Lines | 25 | 34 | 34 | — | — | 25 | 25 |
| Number of Serial I/Os | 1 | 1 | 1 | — | — | 1 | 1 |
| Number of Timers | 6 | 5 | 5 | — | — | 6 | 6 |
| On Chip Data RAM Width | 8 | 8 | 8 | — | — | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | — | — | 8 | 8 |
| PWM Channels | YES | YES | YES | — | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP32,.35SQ,32 | TQFP44,.39SQ,31 | LCC44,.28SQ,20 | — | — | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 |
| Package Shape | SQUARE | SQUARE | SQUARE | — | — | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMT | — | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — | — | — | — |
| RAM (bytes) | 6144 | 8192 | 8192 | — | — | 40960 | 12288 |
| ROM (words) | 32768 | 131072 | 131072 | — | — | 262144 | 65536 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | FLASH | FLASH |
| Screening Level | TS 16949 | — | — | — | — | TS 16949 | TS 16949 |
| Speed | 48 MHz | 32 MHz | 32 MHz | — | — | 48 MHz | 48 MHz |
| Supply Voltage-Max | 3.63 V | 3.6 V | 3.6 V | — | — | 3.63 V | 3.63 V |
| Supply Voltage-Min | 1.62 V | 3 V | 3 V | — | — | 1.62 V | 1.62 V |
| Supply Voltage-Nom | 3.3 V | 3 V | 3 V | — | — | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | — | YES | YES |
| Technology | CMOS | CMOS | CMOS | — | — | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Tin/Silver/Copper (Sn/Ag/Cu) | — | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | NO LEAD | — | — | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | 0.5 mm | — | — | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | QUAD | — | — | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 40 | — | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATSAML21E15B-AUT Alternates Showing results | Image | — | — | — | — | — | — |
| Additional Feature | — | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | — | — | — | — |
| Qualification Status | — | Not Qualified | Not Qualified | — | — | — | — |
| Supply Current-Max | — | 12 mA | 12 mA | — | — | — | — |
| ## ATXMEGA128A4U-AU Alternates Showing results | — | Image | — | — | — | — | — |
| ## ATXMEGA128A4U-MH Alternates Showing results | — | — | Image | — | — | — | — |
| Case/Size Code | — | — | — | 4747 | — | — | — |
| Construction | — | — | — | Rectangular | — | — | — |
| Core Material | — | — | — | NICKEL-ZINC | — | — | — |
| DC Resistance | — | — | — | 0.825 Ω | — | — | — |
| Inductance-Nom (L) | — | — | — | 680 µH | — | — | — |
| Inductor Application | — | — | — | POWER INDUCTOR | — | — | — |
| Inductor Type | — | — | — | GENERAL PURPOSE INDUCTOR | — | — | — |
| Number of Functions | — | — | — | 1 | — | — | — |
| Package Height | — | — | — | 10 mm | — | — | — |
| Package Length | — | — | — | 12 mm | — | — | — |
| Package Width | — | — | — | 12 mm | — | — | — |
| Packing Method | — | — | — | TR, Embossed Plastic, 13 Inch | — | — | — |
| Rated Current-Max | — | — | — | 1.1 A | — | — | — |
| Reference Standard | — | — | — | AEC-Q200 | — | — | — |
| Self Resonance Frequency | — | — | — | 1.5 MHz | — | — | — |
| Shape/Size Description | — | — | — | RECTANGULAR PACKAGE | — | — | — |
| Shielded | — | — | — | YES | — | — | — |
| Terminal Placement | — | — | — | DUAL ENDED | — | — | — |
| Terminal Shape | — | — | — | ONE SURFACE | — | — | — |
| Test Frequency | — | — | — | 0.001 MHz | — | — | — |
| Tolerance | — | — | — | 20% | — | — | — |
| ## ATSAML21E18B-AUT Alternates Showing results | — | — | — | — | — | Image | — |
| Date Of Intro | — | — | — | — | — | — | 2017-06-15 |
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 6 alternatives for ATSAML21E15B-AUT — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for ATSAML21E15B-AUT 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 ATSAML21E15B-AUT 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 ATSAML21E15B-AUT?
Known equivalents for ATSAML21E15B-AUT include ATXMEGA128A4U-AU, ATXMEGA128A4U-MH, 7447709681. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAML21E15B-AUT?
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 ATSAML21E15B-AUT 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.