ATSAML21G17B-U vs ATSAMC21G18A-AU Comparison
Detailed side-by-side comparison of ATSAML21G17B-U by Microchip Technology and ATSAMC21G18A-AU 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
ATSAML21G17B-U - 48MHz Cortex-M0+ 128KB MCU | Microchip
ATSAML21G17B-U ✓ ActiveMicrochip Technology
ATSAMC21G18A-AU - 48MHz Cortex-M0+ MCU, 256KB Flash, 5V | Microchip
ATSAMC21G18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAML21G17B-U | ATSAMC21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.98 | $3.05 |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-Bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory Size (Flash) | 128 KB (128K x 8) | — |
| RAM Size | 16 KB | — |
| Package | 48-WLCSP | 48-pin TQFP (7x7 mm, 0.5 mm pitch) |
| Mounting Type | Surface Mount | — |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Active Mode Current | < 35 µA/MHz | — |
| Sleep Mode Current | 200 nA (typical) | — |
| Connectivity | I²C, LINbus, SCI, SPI, UART/USART, USB | — |
| Peripherals | DMA, POR, PWM, WDT | — |
| USB | USB 2.0 Full-Speed Device | — |
| ADC | 12-bit (SAR) | 12-bit, up to 1 Msps, 16 channels |
| Operating Temperature Range | -40 °C to +85 °C | — |
| RoHS Status | Compliant | — |
| Functional Safety (FuSa) | Yes | — |
| Touch Sensing | PTC (Peripheral Touch Controller) | — |
| Series | — | SAM C21 (Cortex-M0+) |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash | — | 256 KB |
| SRAM | — | 32 KB |
| Supply Voltage | — | 2.7 V to 5.5 V |
| I/O Tolerance | — | 5V tolerant |
| Operating Temperature | — | -40 C to +85 C (industrial, AU suffix) |
| GPIO Count | — | Up to 38 |
| SERCOM Modules | — | 6 (UART/SPI/I2C/LIN configurable) |
| CAN-FD | — | Yes (1 channel) |
| Timers/Counters (TC) | — | 16-bit, multiple channels |
| RTC | — | 32-bit RTC with calendar |
| Peripheral Touch Controller (PTC) | — | Yes (mutual/self-cap) |
| DMA | — | 12 channels (DMAC) |
| AEC-Q100 | — | Grade 1 qualified |
| RoHS | — | Compliant |