ATSAML21E15B-AUT vs ATSAML21E18B-AUT Comparison
Detailed side-by-side comparison of ATSAML21E15B-AUT by Microchip Technology and ATSAML21E18B-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
ATSAML21E15B-AUT - 32KB Flash Cortex-M0+ MCU | Microchip
ATSAML21E15B-AUT ✓ ActiveMicrochip Technology
ATSAML21E18B-AUT - ARM Cortex-M0+ 48MHz MCU | Microchip
ATSAML21E18B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21E15B-AUT | ATSAML21E18B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.98 | $4.35 |
| Core Architecture | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Bit Width | 32-bit | — |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Flash Memory | 32 KB (32K x 8) | — |
| SRAM | 4 KB | 40 KB |
| Package | 32-pin TQFP (7x7 mm) | 32-pin TQFP (7x7 mm) |
| Operating Voltage Range | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Active Mode Current | < 35 µA/MHz | <35 µA/MHz |
| Sleep Mode Current | 200 nA | 200 nA |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 1 MSPS |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| Operating Temperature Range | -40 °C to +85 °C (AUT grade) | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount (Tape & Reel) |
| MSL Level | 3 (168 hours) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| AEC-Q100 Qualification | Not qualified (AUT grade is industrial extended temperature) | — |
| CoreMark Performance | — | 2.46 CoreMark/MHz |
| Program Flash Memory | — | 256 KB (256K x 8) |
| DAC | — | 12-bit, up to 1 MSPS |
| Debug Interface | — | Single Wire Debug (SWD) |
| Safety Features | — | Functional Safety (FuSa), MPU, CRC, WWDT |
| Series | — | SAM L21E (E variant, 32-pin) |