ATSAMD21J18A-AU vs ATSAMD21J18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AU by Microchip Technology and ATSAMD21J18A-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
ATSAMD21J18A-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU ✓ ActiveMicrochip Technology
ATSAMD21J18A-AFT - 32-bit Cortex-M0+ MCU, 256KB Flash, 64-TQFP | Microchip
ATSAMD21J18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AU | ATSAMD21J18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $2.71 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21J | SAM D21J |
| Maximum Clock Frequency | 48 MHz | — |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| GPIO Count | 52 (maximum) | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Temperature Range | -40C to +85C (industrial) | — |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels, 1 MSPS |
| DAC | 2x 12-bit | 10-bit, 1 channel |
| USB | Full-Speed USB 2.0 Device & Host | Full-speed USB 2.0 device and host |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| CoreMark/MHz | 2.46 | — |
| RoHS Status | Compliant | Compliant (Green) |
| Lead-Free | Yes | — |
| Carrier Type (suffix AU) | Tray | — |
| Maximum CPU Frequency | — | 48 MHz |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| Operating Temperature | — | -40C to +125C |
| Mounting Type | — | Surface Mount (SMD/SMT) |
| I/O Pins | — | Up to 52 |
| SERCOM | — | 6 (each configurable as UART/SPI/I2C) |
| DMAC | — | 12 channels |
| Timers/Counters | — | [DATA_NEEDED: TC count and TCC count] |
| Functional Safety | — | FuSa-capable |
| MSL Level | — | [DATA_NEEDED: MSL rating] |