ATSAMD21G15B-AUT vs ATSAMD20G15A-ANT Comparison
Detailed side-by-side comparison of ATSAMD21G15B-AUT by Microchip Technology and ATSAMD20G15A-ANT 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
ATSAMD21G15B-AUT - 48MHz Cortex-M0+ MCU, 32KB Flash, 48-TQFP | Microchip
ATSAMD21G15B-AUT ✓ ActiveMicrochip Technology
ATSAMD20G15A-ANT - 48MHz Cortex-M0+ MCU, 32KB Flash | TQFP-48 | Microchip
ATSAMD20G15A-ANT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G15B-AUT | ATSAMD20G15A-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.96 | $1.68 |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Count | Single-core 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 32 KB (32K x 8) | — |
| SRAM | 4 KB | 4 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Package | 48-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (standard) | -40 C to +105 C (industrial) |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 14 channels |
| DAC | 10-bit | 10-bit, 1 channel |
| USB | USB 2.0 Full-Speed Device | — |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | Up to 6 configurable (UART/SPI/I2C/LIN) |
| DMA Channels | 12 | — |
| Functional Safety | FuSa documentation available (IEC 61508 SIL 2) | — |
| Supply Voltage (typical) | 3.3 V | — |
| MSL Level | [DATA_NEEDED: MSL level] | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant (Pb-free) |
| Core | — | ARM Cortex-M0+ 32-bit |
| Maximum CPU Clock | — | 48 MHz |
| Flash Program Memory | — | 32 KB |
| Supply Voltage (VDDIN) | — | 1.6 V to 3.6 V |
| Touch Controller (PTC) | — | 256-channel Peripheral Touch Controller |
| RTC | — | Yes, with calendar mode |
| Event System | — | Yes (peripheral-to-peripheral) |
| AEC-Q100 Qualification | — | Not qualified (industrial grade) |