ATSAML21E18B-AUTAlternatives & Equivalent Parts
About ATSAML21E18B-AUT
ATSAML21E18B-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 | ATSAML21E18B-AUTSource | MCP2515T-I/ST | REF4132B33DBVR |
|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments |
| Package Type | Quad Flat Packages | Small Outline Packages | SOT23 (5-Pin) |
| Pin Count | 32 | 20 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $4.3800 | $1.9200 | $1.3329 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-32 | TSSOP-20 | — |
| Factory Lead Time | 9 Weeks | 2 Weeks | — |
| YTEOL | 19 | 9 | 15 |
| Has ADC | YES | — | — |
| Bit Size | 32 | — | — |
| Boundary Scan | NO | NO | — |
| CPU Family | CORTEX-M0+ | — | — |
| Clock Frequency-Max | 32 MHz | 40 MHz | — |
| DAC Channels | YES | — | — |
| DMA Channels | YES | — | — |
| Format | FIXED POINT | — | — |
| Integrated Cache | YES | — | — |
| JESD-30 Code | S-PQFP-G32 | R-PDSO-G20 | R-PDSO-G5 |
| JESD-609 Code | e3 | e3 | e4 |
| Low Power Mode | YES | YES | — |
| Number of DMA Channels | 16 | — | — |
| Number of External Interrupts | 16 | — | — |
| Number of I/O Lines | 25 | — | — |
| Number of Serial I/Os | 1 | 1 | — |
| Number of Timers | 6 | — | — |
| On Chip Data RAM Width | 8 | 8 | — |
| On Chip Program ROM Width | 8 | — | — |
| PWM Channels | YES | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP32,.35SQ,32 | TSSOP20,.25 | TSOP5/6,.11,37 |
| Package Shape | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | FLATPACK, THIN PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE, SHRINK PITCH |
| RAM (bytes) | 40960 | — | — |
| ROM (words) | 262144 | — | — |
| ROM Programmability | FLASH | — | — |
| Screening Level | TS 16949 | — | — |
| Speed | 48 MHz | — | — |
| Supply Voltage-Max | 3.63 V | 5.5 V | — |
| Supply Voltage-Min | 1.62 V | 4.5 V | — |
| Supply Voltage-Nom | 3.3 V | 5 V | — |
| Surface Mount | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.65 mm | 0.95 mm |
| Terminal Position | QUAD | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | SERIAL IO/COMMUNICATION CONTROLLER, LAN | — |
| ## ATSAML21E18B-AUT Alternates Showing results | Image | — | — |
| Bus Compatibility | — | SPI | — |
| Communication Protocol | — | SYNC; BIT ;BYTE | — |
| Data Encoding/Decoding Method | — | NRZ | — |
| Data Transfer Rate-Max | — | 0.125 MBps | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 |
| RAM (words) | — | 14 | — |
| Supply Current-Max | — | 10 mA | — |
| ## MCP2515T-I/ST Alternates Showing results | — | Image | — |
| Date Of Intro | — | — | 2020-06-28 |
| Analog IC - Other Type | — | — | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | — | — | 5.5 V |
| Input Voltage-Min | — | — | 3 V |
| Number of Functions | — | — | 1 |
| Number of Outputs | — | — | 1 |
| Output Current-Max | — | — | 0.01 A |
| Output Voltage-Max | — | — | 3.30165 V |
| Output Voltage-Min | — | — | 3.29835 V |
| Output Voltage-Nom | — | — | 3.3 V |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V |
| Supply Voltage-Min (Vsup) | — | — | 3.8 V |
| Temp Coef of Voltage-Max | — | — | 30 ppm/°C |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 |
| Trim/Adjustable Output | — | — | NO |
| Voltage Tolerance-Max | — | — | 0.05% |
| ## REF4132B33DBVR Alternates Showing results | — | — | Image |
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 2 alternatives for ATSAML21E18B-AUT — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for ATSAML21E18B-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 ATSAML21E18B-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 ATSAML21E18B-AUT?
Known equivalents for ATSAML21E18B-AUT include MCP2515T-I/ST, REF4132B33DBVR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATSAML21E18B-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 ATSAML21E18B-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.