ATSAMD51N20A-AF vs ATSAME51N19A-AFT Comparison
Detailed side-by-side comparison of ATSAMD51N20A-AF by Microchip Technology and ATSAME51N19A-AFT 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
ATSAMD51N20A-AF - 120MHz Cortex-M4F 1MB MCU | Microchip
ATSAMD51N20A-AF ✓ ActiveMicrochip Technology
ATSAME51N19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash 100-TQFP | Microchip
ATSAME51N19A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD51N20A-AF | ATSAME51N19A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.84 | $4.62 |
| Core Architecture | ARM Cortex-M4F with FPU | ARM Cortex-M4F (32-bit, with FPU and DSP) |
| Core Frequency | 120 MHz | — |
| Flash Memory | 1 MB (Dual-Panel, ECC) | — |
| SRAM | 256 KB (ECC) | 192 KB |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Operating Temperature | -40 C to +125 C (Extended) | — |
| Supply Voltage | 1.71 V to 3.63 V | — |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 1 MSPS, 16 channels |
| ADC Channels | Up to 16 | — |
| USB | USB 2.0 Full-Speed with on-chip PHY | USB 2.0 Full-Speed device/host with on-chip PHY |
| CAN | 2x CAN-FD | 2x CAN-FD controllers |
| SERCOM | Configurable UART/SPI/I2C | — |
| Timers/TC | 16-bit, multiple channels | — |
| Mounting Type | Surface Mount (TQFP) | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Frequency | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB with ECC, dual-panel |
| Operating Voltage Range | — | 1.71 V to 3.6 V |
| Operating Temperature Range | — | -40 C to +125 C (industrial, -AFT suffix) |
| DAC | — | 12-bit, 2 channels |
| SERCOM (UART/SPI/I2C) | — | 8 instances, configurable |
| I2S | — | Yes (audio interface) |
| PTC (Touch Controller) | — | Yes, hardware capacitive touch |
| DMA Channels | — | 32 (with linked list descriptors) |
| Timers/Counters | — | 8x 16-bit TCC, 5x 32-bit TC, RTC |
| MSL Level | — | 3 (168 hours, JEDEC J-STD-020) |
| Packaging | — | Tape & Reel (T&R) |