ATSAMD51J19A-AFT vs ATSAMD51J20A-AF Comparison
Detailed side-by-side comparison of ATSAMD51J19A-AFT by Microchip Technology and ATSAMD51J20A-AF 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
ATSAMD51J20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAMD51J20A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51J19A-AFT | ATSAMD51J20A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.80 | $5.85 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP | — |
| Maximum CPU Clock | 120 MHz | — |
| Program Memory (Flash) | 512 KB (512K x 8) dual-panel with ECC | 1 MB (1M x 8), dual-panel with ECC |
| SRAM | 192 KB | 256 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) | -40 C to +125 C (extended) |
| Package | 64-pin TQFP (10x10 mm) | 64-TQFP (10x10 mm) |
| GPIO Count | 51 | — |
| ADC | 12-bit, up to 16 channels, 1 Msps | [DATA_NEEDED: number of channels and resolution] |
| DAC | Two 12-bit DAC outputs | — |
| Communication Interfaces | 6x SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS with embedded PHY, CAN-FD | CAN-FD, I2S, SD/MMC, QSPI, SERCOM (UART/SPI/I2C) |
| 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) | 3 |
| AEC-Q100 | Qualified (automotive grade) | — |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M4F with single-precision FPU |
| Maximum Clock Speed | — | 120 MHz |
| Number of I/O | — | 51 |
| Core Size | — | 32-Bit single core |
| Supply Voltage (VDDIO) | — | [DATA_NEEDED: VDDIO min/max] |
| Supply Voltage (VDDCORE) | — | [DATA_NEEDED: VDDCORE range] |
| USB | — | Full-speed USB 2.0 Device/Host with on-chip transceiver |
| Packaging | — | Tray |