ATSAMD51J19A-AU vs ATSAMD51P20A-AUT Comparison
Detailed side-by-side comparison of ATSAMD51J19A-AU by Microchip Technology and ATSAMD51P20A-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-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-AU ✓ ActiveMicrochip Technology
ATSAMD51P20A-AUT - 120MHz Cortex-M4F MCU 1MB Flash | Microchip
ATSAMD51P20A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J19A-AU | ATSAMD51P20A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.56 | $8.25 |
| Core Architecture | ARM Cortex-M4F with FPU | ARM Cortex-M4F with FPU |
| Maximum CPU Frequency | 120 MHz | — |
| Program Memory (Flash) | 512 KB (512K x 8) with ECC | — |
| SRAM | 192 KB | 256 KB |
| CoreMark Score | 273 (estimated from 120 MHz) | — |
| Supply Voltage (VDD) | 1.71 V to 3.63 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| Package | 64-pin TQFP (10 x 10 mm) | 128-TQFP (14 x 14 mm) |
| ADC | 12-bit, 1 MSPS | 12-bit, up to 1 MSPS |
| DAC | 2 x 12-bit | 2 x 12-bit |
| USB | USB 2.0 Full-Speed with integrated PHY | — |
| CAN-FD | 2 controllers | — |
| SERCOM | Up to 8 configurable (UART/SPI/I2C) | — |
| Peripheral Touch Controller (PTC) | Yes, up to 256 channels | — |
| Cryptographic Accelerator | AES + True Random Number Generator | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | MSL3 (per JEDEC J-STD-020, typical) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Clock | — | 120 MHz |
| Flash Memory | — | 1 MB (1M x 8) with ECC, dual-panel |
| Operating Voltage Range | — | 1.71 V to 3.63 V |
| Pin Count | — | 128 |
| Communication Interfaces | — | SERCOM (UART/SPI/I2C), USB 2.0 FS, CAN-FD, Ethernet MAC with 1588 PTP |
| Operating Temperature Range | — | -40 C to +85 C (automotive grade) |
| AEC-Q100 Qualification | — | Yes (automotive grade) |