ATSAMD21J18A-AU vs ATSAMD20J17A-AU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AU by Microchip Technology and ATSAMD20J17A-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
ATSAMD21J18A-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU β ActiveMicrochip Technology
ATSAMD20J17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD20J17A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AU | ATSAMD20J17A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $2.05 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ 32-bit |
| Family | SAM D21J | β |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Flash Memory | 256 KB | 128 KB |
| SRAM | 32 KB | 16 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| GPIO Count | 52 (maximum) | β |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Operating Temperature Range | -40C to +85C (industrial) | β |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 2x 12-bit | 10-bit, 350 ksps |
| USB | Full-Speed USB 2.0 Device & Host | Full-Speed USB 2.0 Device with on-chip PHY |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | β |
| CoreMark/MHz | 2.46 | β |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | β |
| Carrier Type (suffix AU) | Tray | β |
| Supply Voltage (VDDIN) | β | 1.62 V to 3.63 V |
| Operating Temperature | β | -40 C to +85 C (Industrial) |
| SERCOM | β | 6 instances, each configurable as UART/SPI/I2C |
| I/O Pins | β | 52 GPIO (varies by package) |
| Analog Comparators | β | 2 |
| Timers/Counters | β | TC x6 + TCC x2 + RTC x1 + WDT x1 |
| DMA Channels | β | 12 |
| Mounting Type | β | Surface Mount |
| Lead-Free / Halogen-Free | β | Yes |