ATSAMD21E15B-AFT vs ATSAMD21E15B-AUT Comparison
Detailed side-by-side comparison of ATSAMD21E15B-AFT by Microchip Technology and ATSAMD21E15B-AUT by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21E15B-AFT - 48MHz Cortex-M0+ MCU, 32KB Flash | Microchip
ATSAMD21E15B-AFT ✓ ActiveMicrochip Technology
ATSAMD21E15B-AUT - 32KB Flash Cortex-M0+ MCU, 32-TQFP | Microchip
ATSAMD21E15B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E15B-AFT | ATSAMD21E15B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.96 | $1.40 |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Bit Width | 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 32 KB (32K x 8) | — |
| Data Memory (SRAM) | 4 KB | — |
| Operating Voltage Range | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| I/O Pins | 26 (max) | — |
| Package | 32-pin TQFP (7x7 mm) | 32-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | — |
| ADC | 12-bit, up to 14 channels | 10-bit, 12 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Timer/Counters | TC: 3 x 16-bit, TCC: 2 x 16-bit | — |
| Communication Interfaces | 6 x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device, I2S | 6x SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device/Host |
| Functional Safety | IEC 60730 Class B (FuSa variant) | — |
| Operating Temperature Range | -40 C to +125 C | -40C to +85C (industrial) |
| RoHS Status | Compliant | Compliant (Green, Pb-free) |
| MSL Level | MSL3 (per JEDEC J-STD-020) | MSL3 (per TQFP tape and reel convention) |
| Core | — | ARM Cortex-M0+ (32-bit) |
| CPU Clock Speed | — | 48 MHz |
| Flash Memory | — | 32 KB |
| SRAM | — | 4 KB |
| I/O Voltage | — | 3.3 V typical |
| Carrier Type | — | Tape & Reel (AUT suffix) |
| GPIO Count | — | 26 (estimated for 32-TQFP, full SAM D21E pinout) |
| DMA Channels | — | 5 |
| Active Power Consumption | — | 70 uA/MHz |
| Sleep Power Consumption | — | [DATA_NEEDED: Sleep mode uA at full RAM retention] |