ATSAMD21G18A-AFT vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AFT by Microchip Technology and ATSAMD21G18A-AU 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
ATSAMD21G18A-AFT - 48MHz ARM Cortex-M0+ MCU, 256KB Flash, 48-TQFP
ATSAMD21G18A-AFT β ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AFT | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $1.74 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Series | SAM D21G (Functional Safety / FuSa) | β |
| Maximum CPU Frequency | 48 MHz | β |
| CoreMark/MHz | 2.46 | 2.46 |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Operating Voltage | 1.62 V to 3.63 V | β |
| Package | 48-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Operating Temperature | -40 Β°C to +125 Β°C | -40C to +85C (industrial) |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | Serial Wire Debug (SWD), 2-pin |
| USB | USB 2.0 Full-Speed device/host | β |
| ADC | 12-bit | 12-bit |
| DAC | 10-bit | Yes |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant (green package) |
| Migrates With | SAM D20 (drop-in compatible peripheral set) | β |
| Maximum CPU Clock | β | 48 MHz |
| Supply Voltage Range | β | 1.62 V to 3.63 V |
| DMAC Channels | β | 12 |
| Event System Channels | β | 12 |
| Timer/Counters | β | Up to 5 x 16-bit TC |
| SERCOM Interfaces | β | Configurable as USART / SPI / I2C |
| Functional Safety | β | FuSa-ready |