ATSAMD21J18A-AU vs ATSAMD21J17D-AU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AU by Microchip Technology and ATSAMD21J17D-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 ✓ ActiveMicrochip Technology
ATSAMD21J17D-AU - 128KB Flash Cortex-M0+ MCU | Microchip
ATSAMD21J17D-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AU | ATSAMD21J17D-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $2.23 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D21J | — |
| Maximum Clock Frequency | 48 MHz | — |
| Flash Memory | 256 KB | 128 KB |
| SRAM | 32 KB | 16 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| GPIO Count | 52 (maximum) | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP |
| Operating Temperature Range | -40C to +85C (industrial) | -40 C to +85 C (Industrial) |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 20 channels, 1 MSPS |
| DAC | 2x 12-bit | 10-bit, 2 channels |
| USB | Full-Speed USB 2.0 Device & Host | — |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| CoreMark/MHz | 2.46 | — |
| RoHS Status | Compliant | — |
| Lead-Free | Yes | — |
| Carrier Type (suffix AU) | Tray | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | — | 48 MHz |
| RWW EEPROM Emulation | — | 4 KB |
| Operating Voltage Range | — | 1.62 V to 3.6 V |
| USB Interface | — | USB 2.0 Full-Speed Device/Host with on-chip transceiver |
| SERCOM Channels | — | 6 (configurable UART/SPI/I2C) |
| Timer/Counters | — | 6 x 24-bit |
| Peripheral Touch Controller | — | Yes, supports up to 256 buttons |
| GPIO Count (approx) | — | 52 (varies by package) |
| Mounting Type | — | Surface Mount |
| Lead-Free / RoHS | — | Yes (Green, compliant) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |