ATSAMD21G18A-AF vs ATSAMD21G18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AF by Microchip Technology and ATSAMD21G18A-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
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF ✓ ActiveMicrochip Technology
ATSAMD21G18A-AFT - 48MHz ARM Cortex-M0+ MCU, 256KB Flash, 48-TQFP
ATSAMD21G18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AF | ATSAMD21G18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (SAM D21) | ARM Cortex-M0+ (32-bit) |
| Core Architecture | 32-bit RISC, Thumb/Thumb-2 instruction set | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| Package | 48-pin TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 350 ksps | 12-bit |
| DAC | 10-bit, 350 ksps | 10-bit |
| USB | Full-speed USB 2.0 device with on-the-go (OTG) | USB 2.0 Full-Speed device/host |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | — |
| Timers | Up to 5 x 16-bit Timer/Counters (TC) | — |
| DMA Channels | 12-channel DMAC | — |
| Event System | 12-channel inter-peripheral | — |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | Serial Wire Debug (SWD), 2-pin |
| Operating Temperature | -40C to +85C | -40 °C to +125 °C |
| RoHS Status | Compliant | Compliant |
| Series | — | SAM D21G (Functional Safety / FuSa) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Operating Voltage | — | 1.62 V to 3.63 V |
| Migrates With | — | SAM D20 (drop-in compatible peripheral set) |