ATSAMD51J19A-AFT vs ATSAMD51J18A-AUT Comparison
Detailed side-by-side comparison of ATSAMD51J19A-AFT by Microchip Technology and ATSAMD51J18A-AUT 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
ATSAMD51J19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAMD51J19A-AFT ✓ ActiveMicrochip Technology
ATSAMD51J18A-AUT - 120MHz Cortex-M4F MCU 256KB Flash | Microchip
ATSAMD51J18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J19A-AFT | ATSAMD51J18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) dual-panel with ECC | — |
| SRAM | 192 KB | 128 KB (with ECC) |
| Supply Voltage Range | 1.71 V to 3.63 V (3.3 V nominal) | — |
| Operating Temperature Range | -40 C to +125 C (automotive grade) | — |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| GPIO Count | 51 | — |
| ADC | 12-bit, up to 16 channels, 1 Msps | 12-bit, up to 1 MSPS |
| DAC | Two 12-bit DAC outputs | 2 x 12-bit |
| Communication Interfaces | 6x SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS with embedded PHY, CAN-FD | — |
| Timers/Counters | 5x 16-bit TC, 32-bit RTC with calendar | — |
| DMA Channels | 32 (separate descriptor RAM) | — |
| Event System | 16 channels, peripheral-to-peripheral | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | MSL3 (per JEDEC J-STD-020) |
| AEC-Q100 | Qualified (automotive grade) | Automotive grade (AUT suffix) |
| RoHS Status | Compliant | Compliant |
| Bit Width | — | 32-bit |
| Program Flash | — | 256 KB (with ECC) |
| Supply Voltage (VDD) | — | 1.71 V to 3.6 V |
| Operating Temperature | — | -40C to +85C (AUT automotive grade) |
| SERCOM Channels | — | 6 (configurable UART/SPI/I2C) |
| USB | — | USB 2.0 Full-Speed Device/Host |
| CAN | — | 1 x CAN-FD |