ATSAMD21J17A-AU vs ATSAMD21J18A-AF Comparison
Detailed side-by-side comparison of ATSAMD21J17A-AU by Microchip Technology and ATSAMD21J18A-AF 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
ATSAMD21J18A-AF - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMD21J18A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21J17A-AU | ATSAMD21J18A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.62 | $2.99 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21J (Functional Safety / FuSa) | SAM D21J |
| Max CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB | 256 KB (256K x 8) |
| SRAM | 16 KB | 32 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.6 V | — |
| GPIO | 52 | — |
| ADC | 12-bit, up to 1 MSPS, 20 channels | 12-bit, up to 350 ksps, hardware oversampling |
| DAC | 10-bit, 1 channel | 12-bit, 1 Msps |
| USB | USB 2.0 Full-Speed Device + Host/OTG | USB 2.0 Full-Speed Device/Host |
| SERCOM | Up to 6 configurable (UART/SPI/I2C) | — |
| Timers/Counters | 5 (TC) + 3 (TCC) for PWM | — |
| Operating Temperature | -40C to +85C | -40C to +125C (industrial) |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 48 MHz |
| CoreMark Score | — | 2.46 CoreMark/MHz |
| Supply Voltage Range | — | 1.6 V to 3.6 V |
| GPIO Count | — | Up to 52 |
| SERCOM Modules | — | 6 (configurable as UART/SPI/I2C) |
| Analog Comparators | — | 2 |
| Carrier Type | — | Tray |