ATSAMD21J16B-AUT vs ATSAMD21J16B-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J16B-AUT by Microchip Technology and ATSAMD21J16B-AFT 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
ATSAMD21J16B-AUT - 48MHz Cortex-M0+ MCU, 64KB Flash | Microchip
ATSAMD21J16B-AUT ✓ ActiveMicrochip Technology
ATSAMD21J16B-AFT - 64KB Flash ARM Cortex-M0+ MCU | Microchip
ATSAMD21J16B-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J16B-AUT | ATSAMD21J16B-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.85 | $2.55 |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Clock (max) | 48 MHz | — |
| Flash Memory | 64 KB | — |
| SRAM | 8 KB | 8 KB |
| Operating Voltage | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Operating Temperature | -40 C to +85 C (Automotive) | — |
| Package | 64-pin TQFP, 10x10 mm | 64-TQFP (10x10 mm) |
| GPIO Count | 52 (approx., package-dependent) | — |
| ADC | 12-bit, up to 20 channels, 1 MSPS | 12-bit, 1 MSPS, up to 20 channels |
| DAC | 10-bit, 1 channel | 10-bit, 1 channel |
| Analog Comparators | 2 | — |
| SERCOM Modules | 6 (UART/SPI/I2C configurable) | — |
| USB | USB 2.0 Full-Speed Device/Host | — |
| Timers/Counters | TC x3 (16-bit), TCC x3 (16-bit), RTC x1 | — |
| DMAC Channels | 12 | — |
| Event System Channels | 12 | — |
| Memory Protection Unit | Yes | — |
| CRC Engine | Yes (hardware) | — |
| Mounting Type | Surface Mount (TQFP) | Surface Mount |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020, industry standard) | [DATA_NEEDED: MSL Level] |
| Packaging | Tape & Reel (AUT suffix) | Tape & Reel |
| Functional Safety (FuSa) | Supported | — |
| Core | — | ARM Cortex-M0+ (32-bit, single core) |
| CPU Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 64 KB (64K x 8) |
| Typical Operating Voltage | — | 3.3 V |
| Number of I/O | — | 52 |
| Operating Temperature Range | — | -40C to +125C |
| Lead-Free | — | Yes |
| Comparators | — | 2 analog comparators |
| Communication Interfaces | — | 6 SERCOM (UART/SPI/I2C), USB 2.0 FS Device/Host, I2S |
| DMA Channels | — | 12-channel DMAC + 12-channel Event System |
| Debug Interface | — | Two-pin Serial Wire Debug (SWD) |