ATSAMD51J20A-AUT vs ATSAMD51J19A-AUT Comparison
Detailed side-by-side comparison of ATSAMD51J20A-AUT by Microchip Technology and ATSAMD51J19A-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
ATSAMD51J20A-AUT - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAMD51J20A-AUT ✓ ActiveMicrochip Technology
ATSAMD51J19A-AUT - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J20A-AUT | ATSAMD51J19A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.32 | $4.32 |
| Core Architecture | ARM Cortex-M4F with single-precision FPU and DSP extensions | ARM Cortex-M4F with FPU |
| Maximum CPU Clock | 120 MHz | — |
| Program Flash Memory | 1 MB (1024 KB), dual-panel with ECC | — |
| SRAM | 256 KB with ECC | — |
| Package | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| Supply Voltage (VDD) | 1.71 V to 3.63 V | — |
| Operating Temperature Grade | -40C to +85C (-AUT suffix, automotive grade) | — |
| ADC | Up to 2x 12-bit, 1 MSPS | 12-bit, up to 1 MSPS |
| DAC | Up to 2x 12-bit | 10-bit, up to 1 MSPS |
| USB | Full-Speed USB 2.0 Device/Host with on-chip transceiver | USB 2.0 Full-Speed Device/Host |
| Communication Interfaces (SERCOM) | Up to 8 configurable (USART/SPI/I2C/LIN) | — |
| Timers/Counters | TCC (24-bit PWM), TC (16-bit), RTC 32-bit | — |
| I/O Pins | [DATA_NEEDED: GPIO count for 64-TQFP package] | — |
| DMA Channels | Up to 32 channels | — |
| Mounting Type | Surface Mount | — |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 120 MHz |
| Program Memory Size | — | 512KB (512K x 8) Flash with ECC |
| SRAM Size | — | 192 KB |
| Operating Temperature | — | -40C to +85C |
| Supply Voltage | — | 1.71V to 3.6V |
| SERCOM Interfaces | — | 6 (configurable as UART/SPI/I2C) |
| CAN | — | CAN-FD controller |
| Crypto Accelerator | — | Yes (AES, SHA, TRNG) |
| Qualification | — | AEC-Q100 automotive grade |