ATSAMD21G15B-AUT vs ATSAMD20G18A-AUT Comparison
Detailed side-by-side comparison of ATSAMD21G15B-AUT by Microchip Technology and ATSAMD20G18A-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
ATSAMD21G15B-AUT - 48MHz Cortex-M0+ MCU, 32KB Flash, 48-TQFP | Microchip
ATSAMD21G15B-AUT ✓ ActiveMicrochip Technology
ATSAMD20G18A-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD20G18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G15B-AUT | ATSAMD20G18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.96 | $2.84 |
| Core Architecture | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Count | Single-core 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 32 KB (32K x 8) | — |
| SRAM | 4 KB | 32 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (standard) | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 14 channels, 350 ksps |
| DAC | 10-bit | 10-bit, 350 ksps |
| USB | USB 2.0 Full-Speed Device | — |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| 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 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Family | — | SAM D20 |
| Series | — | ATSAMD20G |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash Memory | — | 256 KB (256K x 8) |
| Pin Count | — | 48 |
| Operating Temperature Range (Automotive Grade) | — | -40 C to +85 C |
| Peripheral Touch Controller (PTC) | — | Up to 256 channels |
| Communication Interfaces | — | 6x SERCOM (USART/I2C/SPI), I2S |
| Timers | — | 16-bit TC x6, 32-bit TCC x2, RTC |