ATSAMD21J18A-AU vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21J18A-AU by Microchip Technology and ATSAMD21G18A-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-AU - ARM Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21J18A-AU β ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU β ActiveSpecification Comparison
| Parameter | ATSAMD21J18A-AU | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.69 | $1.74 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D21J | β |
| Maximum Clock Frequency | 48 MHz | β |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.63 V |
| GPIO Count | 52 (maximum) | β |
| Package | 64-pin TQFP (10x10 mm) | 48-pin TQFP (7x7 mm) |
| Operating Temperature Range | -40C to +85C (industrial) | β |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit |
| DAC | 2x 12-bit | Yes |
| USB | Full-Speed USB 2.0 Device & Host | β |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | β |
| CoreMark/MHz | 2.46 | 2.46 |
| RoHS Status | Compliant | Compliant (green package) |
| Lead-Free | Yes | β |
| Carrier Type (suffix AU) | Tray | β |
| Maximum CPU Clock | β | 48 MHz |
| Mounting Type | β | Surface Mount |
| Operating Temperature | β | -40C to +85C (industrial) |
| DMAC Channels | β | 12 |
| Event System Channels | β | 12 |
| Timer/Counters | β | Up to 5 x 16-bit TC |
| SERCOM Interfaces | β | Configurable as USART / SPI / I2C |
| Debug Interface | β | Serial Wire Debug (SWD), 2-pin |
| Functional Safety | β | FuSa-ready |