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