ATSAMD51N19A-AF vs ATSAMD51N20A-AF Comparison
Detailed side-by-side comparison of ATSAMD51N19A-AF by Microchip Technology and ATSAMD51N20A-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
ATSAMD51N19A-AF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51N19A-AF ✓ ActiveMicrochip Technology
ATSAMD51N20A-AF - 120MHz Cortex-M4F 1MB MCU | Microchip
ATSAMD51N20A-AF ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51N19A-AF | ATSAMD51N20A-AF |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M4F with FPU | ARM Cortex-M4F with FPU |
| Maximum CPU Frequency | 120 MHz | — |
| Program Flash Memory | 512 KB (dual-panel, with ECC) | — |
| SRAM | 192 KB (with ECC) | 256 KB (ECC) |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Operating Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40C to +125C (extended) | -40 C to +125 C (Extended) |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 1 MSPS |
| DAC | Dual 12-bit | — |
| USB | USB 2.0 Full-Speed device/host | USB 2.0 Full-Speed with on-chip PHY |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| Crypto Engine | AES, SHA, TRNG | — |
| Mounting Type | Surface Mount | Surface Mount (TQFP) |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 (168 hours) | — |
| Core Frequency | — | 120 MHz |
| Flash Memory | — | 1 MB (Dual-Panel, ECC) |
| Supply Voltage | — | 1.71 V to 3.63 V |
| ADC Channels | — | Up to 16 |
| CAN | — | 2x CAN-FD |
| SERCOM | — | Configurable UART/SPI/I2C |
| Timers/TC | — | 16-bit, multiple channels |