ATSAMD51J18A-AUT vs ATSAMD51J19A-AFT Comparison
Detailed side-by-side comparison of ATSAMD51J18A-AUT by Microchip Technology and ATSAMD51J19A-AFT 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
ATSAMD51J18A-AUT - 120MHz Cortex-M4F MCU 256KB Flash | Microchip
ATSAMD51J18A-AUT β ActiveMicrochip Technology
ATSAMD51J19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAMD51J19A-AFT β ActiveSpecification Comparison
| Parameter | ATSAMD51J18A-AUT | ATSAMD51J19A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.78 | $4.80 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Clock | 120 MHz | 120 MHz |
| Bit Width | 32-bit | β |
| Program Flash | 256 KB (with ECC) | β |
| SRAM | 128 KB (with ECC) | 192 KB |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | β |
| Operating Temperature | -40C to +85C (AUT automotive grade) | β |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| SERCOM Channels | 6 (configurable UART/SPI/I2C) | β |
| USB | USB 2.0 Full-Speed Device/Host | β |
| CAN | 1 x CAN-FD | β |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 16 channels, 1 Msps |
| DAC | 2 x 12-bit | Two 12-bit DAC outputs |
| MSL Level | MSL3 (per JEDEC J-STD-020) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Automotive grade (AUT suffix) | Qualified (automotive grade) |
| Program Memory (Flash) | β | 512 KB (512K x 8) dual-panel with ECC |
| Supply Voltage Range | β | 1.71 V to 3.63 V (3.3 V nominal) |
| Operating Temperature Range | β | -40 C to +125 C (automotive grade) |
| GPIO Count | β | 51 |
| Communication Interfaces | β | 6x SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS with embedded PHY, CAN-FD |
| Timers/Counters | β | 5x 16-bit TC, 32-bit RTC with calendar |
| DMA Channels | β | 32 (separate descriptor RAM) |
| Event System | β | 16 channels, peripheral-to-peripheral |