ATSAMD51J19A-AFT vs ATSAMD51J18A-AU-EFP Comparison
Detailed side-by-side comparison of ATSAMD51J19A-AFT by Microchip Technology and ATSAMD51J18A-AU-EFP 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 β ActiveMicrochip Technology
ATSAMD51J18A-AU-EFP - 120MHz Cortex-M4F MCU, 256KB Flash | Microchip
ATSAMD51J18A-AU-EFP β ActiveSpecification Comparison
| Parameter | ATSAMD51J19A-AFT | ATSAMD51J18A-AU-EFP |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.80 | $3.95 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | β |
| Maximum CPU Clock | 120 MHz | β |
| Program Memory (Flash) | 512 KB (512K x 8) dual-panel with ECC | β |
| SRAM | 192 KB | 128 KB with ECC |
| Supply Voltage Range | 1.71 V to 3.63 V (3.3 V nominal) | β |
| Operating Temperature Range | -40 C to +125 C (automotive grade) | β |
| Package | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| GPIO Count | 51 | β |
| ADC | 12-bit, up to 16 channels, 1 Msps | 12-bit, up to 1 Msps, up to 16 channels |
| DAC | Two 12-bit DAC outputs | 10-bit, 350 ksps, 2 channels |
| Communication Interfaces | 6x SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS with embedded PHY, CAN-FD | β |
| Timers/Counters | 5x 16-bit TC, 32-bit RTC with calendar | β |
| DMA Channels | 32 (separate descriptor RAM) | DMAC, multiple channels |
| Event System | 16 channels, peripheral-to-peripheral | β |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | 3 (168 hours) |
| AEC-Q100 | Qualified (automotive grade) | β |
| RoHS Status | Compliant | Compliant |
| Core | β | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Speed | β | 120 MHz |
| Program Flash | β | 256 KB (256K x 8) with ECC |
| Operating Voltage | β | 1.71 V to 3.63 V |
| Operating Temperature | β | -40C to +85C |
| USB | β | USB 2.0 Full-Speed with on-chip PHY |
| Configurable SERCOM | β | 6 (UART/SPI/I2C/LIN) |
| I2S | β | Yes |
| Timers (TC/TCC) | β | Yes (multiple 16-bit) |
| Lead-Free | β | Yes |