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