ATSAMD21J17A-AU vs ATSAMD20J17A-AN Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AU by Microchip Technology and ATSAMD20J17A-AN 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
ATSAMD21J17A-AU - 48MHz Cortex-M0+ 128KB MCU 64-TQFP | Microchip
ATSAMD21J17A-AU ✓ ActiveMicrochip Technology
ATSAMD20J17A-AN - 48MHz Cortex-M0+ MCU 128KB Flash 64-TQFP | Microchip
ATSAMD20J17A-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AU | ATSAMD20J17A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.62 | $1.87 |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D21J (Functional Safety / FuSa) | — |
| Max CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB | 128 KB |
| SRAM | 16 KB | 16 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.6 V | — |
| GPIO | 52 | [DATA_NEEDED: GPIO count] |
| ADC | 12-bit, up to 1 MSPS, 20 channels | 12-bit, 256-channel PTC support |
| DAC | 10-bit, 1 channel | 10-bit |
| USB | USB 2.0 Full-Speed Device + Host/OTG | — |
| SERCOM | Up to 6 configurable (UART/SPI/I2C) | — |
| Timers/Counters | 5 (TC) + 3 (TCC) for PWM | — |
| Operating Temperature | -40C to +85C | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (industrial grade) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant (Green, lead-free per Mouser listing) |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Maximum Clock Frequency | — | 48 MHz |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Operating Temperature Range | — | -40 C to +105 C (industrial) |
| Communication Interfaces | — | USB 2.0 Full-Speed Device, I2C, SPI, UART (via SERCOM) |
| Touch Sensing | — | 256-channel Peripheral Touch Controller (PTC) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |