ATSAMD21G18A-AFT vs ATSAMD21G17A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AFT by Microchip Technology and ATSAMD21G17A-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-AFT - 48MHz ARM Cortex-M0+ MCU, 256KB Flash, 48-TQFP
ATSAMD21G18A-AFT ✓ ActiveMicrochip Technology
ATSAMD21G17A-AFT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21G17A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AFT | ATSAMD21G17A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Series | SAM D21G (Functional Safety / FuSa) | — |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | 16 KB |
| Operating Voltage | 1.62 V to 3.63 V | — |
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Operating Temperature | -40 °C to +125 °C | -40C to +125C (industrial grade) |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| USB | USB 2.0 Full-Speed device/host | USB 2.0 Full-Speed, Device/Host, on-chip PHY |
| ADC | 12-bit | 12-bit, up to 350 ksps |
| DAC | 10-bit | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | Compliant |
| Migrates With | SAM D20 (drop-in compatible peripheral set) | — |
| Core Architecture | — | ARM Cortex-M0+ 32-bit |
| CPU Frequency | — | 48 MHz |
| Program Memory (Flash) | — | 128 KB |
| Operating Voltage Range | — | 1.6 V to 3.6 V |
| Pin Count | — | 48 |
| GPIO Count | — | 38 |
| SERCOM | — | 6 (configurable: I2C/SPI/USART) |
| Analog Comparators | — | 2 |
| Timers/Counters | — | 16-bit TCC, TC, RTC |
| DMA Channels | — | 16 |