ATSAML21G18B-MNT vs ATSAML21J17B-MNT Comparison
Detailed side-by-side comparison of ATSAML21G18B-MNT by Microchip Technology and ATSAML21J17B-MNT 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
ATSAML21G18B-MNT - ARM Cortex-M0+ MCU 256KB Flash 48MHz | Microchip
ATSAML21G18B-MNT ✓ ActiveMicrochip Technology
ATSAML21J17B-MNT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAML21J17B-MNT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21G18B-MNT | ATSAML21J17B-MNT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.34 | $3.05 |
| Core Architecture | ARM Cortex-M0+ | — |
| Family | SAM L21 (Functional Safety, FuSa) | — |
| Data Bus Width | 32-bit | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Memory Size | 256 KB (256K x 8) Flash | — |
| RAM Size | 40 KB SRAM | — |
| Supply Voltage Range | 1.6 V to 3.6 V | — |
| Operating Temperature Range | -40C to +85C | — |
| Package | 48-QFN (7x7 mm) | 64-pin QFN (9 x 9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Active Mode Current | Under 35 uA/MHz | < 35 µA/MHz |
| Sleep Mode Current | 200 nA | 200 nA (typical) |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 1 MSPS |
| Timer/Counters | Six 16-bit | — |
| DMA Channels | Yes | — |
| Communication Interfaces | Up to 6 SERCOM (UART/SPI/I2C configurable) | — |
| RoHS Status | Compliant | Green / RoHS compliant (per Mouser listing) |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark / MHz | — | 2.46 |
| Flash Memory | — | 128 KB (128K x 8) |
| SRAM | — | 16 KB |
| Supply Voltage (VDD) | — | 1.6 V to 3.6 V |
| Operating Temperature | — | -40°C to +85°C (industrial) |
| DAC Channels | — | Yes (peripherals present, exact channel count not in supplied data) |
| USB | — | Full-speed USB 2.0 with on-chip 3.3V regulator |
| Segment LCD Controller | — | Yes, integrated |
| Functional Safety (FuSa) | — | Yes (IEC 60730 / UL 60730 Class B support libraries) |
| Crypto / TRNG | — | AES + TRNG (peripherals present in family) |
| Carrier Type | — | Tape and Reel |