ATSAML21G17B-ANT vs ATSAML21G18B-ANT Comparison
Detailed side-by-side comparison of ATSAML21G17B-ANT by Microchip Technology and ATSAML21G18B-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
ATSAML21G17B-ANT - 48MHz ARM M0+ MCU 128KB | Microchip
ATSAML21G17B-ANT ✓ ActiveMicrochip Technology
ATSAML21G18B-ANT - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAML21G18B-ANT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21G17B-ANT | ATSAML21G18B-ANT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.71 | $3.78 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ |
| Family | SAM L21 (Functional Safety / FuSa) | — |
| Maximum CPU Frequency | 48 MHz | — |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | 16 KB | — |
| Supply Voltage | 1.62 V to 3.63 V | — |
| Active Current | Under 35 µA/MHz | — |
| Sleep Mode Current | 200 nA | 200 nA |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Operating Temperature | -40 °C to +85 °C (industrial) | — |
| Number of I/O Pins | 37 | — |
| SERCOM Modules | Up to 5 (UART/SPI/I²C configurable) | — |
| ADC | 12-bit, 1 MSPS, up to 20 channels | 12-bit, 1 MSPS |
| Timers | Two 24-bit TC, one 16-bit TCC | — |
| RTC | Yes, with calendar and alarm | — |
| USB | USB 2.0 Full-Speed Device | Full-Speed USB 2.0 Device/Host |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL level] |
| RoHS Status | Compliant | Compliant |
| Bit Width | — | 32-bit |
| Maximum Clock Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 256 KB |
| RAM | — | 32 KB |
| Supply Voltage Range | — | 1.6 V to 3.6 V |
| Active Mode Current | — | < 35 uA/MHz |
| Operating Temperature Range | — | -40 C to +85 C |
| I/O Pins | — | [DATA_NEEDED: I/O pin count] |
| Communication Interfaces | — | SERCOM (UART/SPI/I2C) |
| Touch Sensing (PTC) | — | Yes, up to 256 channels |
| Cryptographic Engine | — | AES-128 / AES-256 |
| Functional Safety (FuSa) | — | Yes |