ATSAML21J18B-MUT vs ATSAML21J18B-AUT Comparison
Detailed side-by-side comparison of ATSAML21J18B-MUT by Microchip Technology and ATSAML21J18B-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
ATSAML21J18B-MUT - SAM L21 Cortex-M0+ 256KB Flash 48MHz QFN-64 MCU | Microchip
ATSAML21J18B-MUT ✓ ActiveMicrochip Technology
ATSAML21J18B-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML21J18B-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAML21J18B-MUT | ATSAML21J18B-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.68 | $4.55 |
| Core Processor | ARM Cortex-M0+ | — |
| Core Architecture | 32-bit RISC | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark Score | 2.46 CoreMark/MHz | — |
| Program Memory (Flash) | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 32 KB (up to 40 KB reported by some sources) |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| I/O Pins | 51 | — |
| ADC | 12-bit, up to 20 channels | 12-bit |
| DAC | 12-bit, 1 channel | 10-bit |
| Communication Interfaces | SERCOM (UART/SPI/I2C), I2S, USB 2.0 FS | — |
| Timers/Counters | TC, TCC (16-bit) | — |
| Active Mode Current | <35 uA/MHz | — |
| Sleep Mode Current | 200 nA | — |
| Package Type | QFN-64 (9x9 mm) | — |
| Mounting Type | Surface Mount | Surface Mount (Tape & Reel, AUT suffix) |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +85 C (industrial) |
| Functional Safety | IEC 60730 class B (FuSa) | IEC 60730 Class B (FuSa variant) |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 (168 hours) | — |
| Series | — | SAM L21J, Functional Safety (FuSa) |
| Program Flash | — | 256 KB (256K x 8) |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.63 V |
| Package | — | 64-pin TQFP (10x10 mm) |
| GPIO Count | — | 51 (per SAM L21J datasheet) |
| USB | — | USB 2.0 Full-Speed Device |
| Serial Interfaces | — | Multiple SERCOM (configurable as UART/SPI/I2C) |
| Touch Peripheral (PTC) | — | Yes (Peripheral Touch Controller) |
| Active Current | — | Under 35 uA/MHz |
| Sleep Current | — | 200 nA |
| Carrier Type | — | Tape & Reel (AUT suffix) |