ATSAMD21J17D-AUT vs ATSAMD21G18A-AFT Comparison
Detailed side-by-side comparison of ATSAMD21J17D-AUT by Microchip Technology and ATSAMD21G18A-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
ATSAMD21J17D-AUT - 128KB Flash Cortex-M0+ MCU | Microchip
ATSAMD21J17D-AUT ✓ ActiveMicrochip Technology
ATSAMD21G18A-AFT - 48MHz ARM Cortex-M0+ MCU, 256KB Flash, 48-TQFP
ATSAMD21G18A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17D-AUT | ATSAMD21G18A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Flash Memory | 128 KB | 256 KB |
| SRAM | 16 KB | 32 KB |
| RWW Flash Partition | 4 KB | — |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 °C to +125 °C |
| Package | 64-pin TQFP (10x10 mm) | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed device/host |
| SERCOM Modules | Up to 6 (UART/SPI/I2C) | — |
| ADC | 12-bit, up to 20 channels | 12-bit |
| DAC | 10-bit, 1 channel | 10-bit |
| Timers/Counters | 6 x 16-bit TCC/PWM | — |
| RTC | 32 kHz with calendar mode | — |
| MSL Level | 3 | — |
| Lead-Free / RoHS | Yes (per part suffix) | — |
| AEC-Q100 | AEC-Q100 qualified (AUT suffix) | — |
| Series | — | SAM D21G (Functional Safety / FuSa) |
| CoreMark/MHz | — | 2.46 |
| Operating Voltage | — | 1.62 V to 3.63 V |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |
| RoHS Status | — | Compliant |
| Migrates With | — | SAM D20 (drop-in compatible peripheral set) |