ATSAMD21G18A-AF vs ATSAMD21G17A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AF 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-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF β ActiveMicrochip Technology
ATSAMD21G17A-AFT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAMD21G17A-AFT β ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AF | ATSAMD21G17A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.49 | $3.70 |
| Core | ARM Cortex-M0+ (SAM D21) | β |
| Core Architecture | 32-bit RISC, Thumb/Thumb-2 instruction set | ARM Cortex-M0+ 32-bit |
| Maximum CPU Clock | 48 MHz | β |
| Flash Memory | 256 KB | β |
| SRAM | 32 KB | 16 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | β |
| Package | 48-pin TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | β |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | β |
| USB | Full-speed USB 2.0 device with on-the-go (OTG) | USB 2.0 Full-Speed, Device/Host, on-chip PHY |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | β |
| Timers | Up to 5 x 16-bit Timer/Counters (TC) | β |
| DMA Channels | 12-channel DMAC | 16 |
| Event System | 12-channel inter-peripheral | β |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | β |
| Operating Temperature | -40C to +85C | -40C to +125C (industrial grade) |
| RoHS Status | Compliant | Compliant |
| CPU Frequency | β | 48 MHz |
| Program Memory (Flash) | β | 128 KB |
| Operating Voltage Range | β | 1.6 V to 3.6 V |
| Pin Count | β | 48 |
| GPIO Count | β | 38 |
| SERCOM | β | 6 (configurable: I2C/SPI/USART) |
| Analog Comparators | β | 2 |
| Timers/Counters | β | 16-bit TCC, TC, RTC |