ATSAME51N20A-AF vs ATSAME51N19A-AF Comparison
Detailed side-by-side comparison of ATSAME51N20A-AF by Microchip Technology and ATSAME51N19A-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
ATSAME51N20A-AF - 120MHz Cortex-M4F MCU 1MB Flash | Microchip
ATSAME51N20A-AF ✓ ActiveMicrochip Technology
ATSAME51N19A-AF - 120MHz Cortex-M4F MCU 512KB Flash TQFP-100
ATSAME51N19A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAME51N20A-AF | ATSAME51N19A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.55 | $5.55 |
| Core | ARM Cortex-M4F with single-precision FPU | ARM Cortex-M4F (32-bit, FPU + DSP) |
| Maximum Clock Frequency | 120 MHz | — |
| Program Memory | 1 MB (1M x 8) Flash with ECC, dual-panel | — |
| SRAM | 256 KB with ECC | 192 KB |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | — |
| Operating Temperature | -40C to +125C (industrial, AEC-Q100) | -40 C to +125 C (Extended Industrial) |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Programmable I/O Pins | 81 | — |
| USB | USB 2.0 Full-Speed Device/Host with integrated PHY | USB 2.0 Full-Speed with embedded PHY |
| CAN | CAN 2.0B + CAN-FD | CAN-FD |
| ADC | 12-bit, up to 16 channels, 1 MSPS | 12-bit, up to 1 MSPS, up to 32 channels |
| DAC | 12-bit, 2 channels | 2 x 12-bit |
| Serial Engines (SERCOM) | Configurable USART/SPI/I2C, multiple instances | — |
| Timers | Multiple TC channels for PWM/capture/quadrature | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL level] |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Qualified | — |
| Family | SAM E51 (SAM D5x/E5x family) | — |
| Manufacturer | — | Microchip Technology |
| Series | — | SAM E51 |
| Maximum CPU Clock | — | 120 MHz |
| Flash Memory | — | 512 KB (Dual Panel) |
| Operating Voltage (VDD) | — | 2.7 V to 5.5 V |
| SERCOM / Comms | — | Up to 6 SERCOM (USART/SPI/I2C/LIN configurable) |
| Touch Peripheral (PTC) | — | Yes (capacitive touch) |
| FPU | — | Single-precision IEEE 754 |