ATSAME51N19A-AFT vs ATSAME54N20A-AFT Comparison
Detailed side-by-side comparison of ATSAME51N19A-AFT by Microchip Technology and ATSAME54N20A-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
ATSAME51N19A-AFT - 120MHz Cortex-M4F MCU 512KB Flash 100-TQFP | Microchip
ATSAME51N19A-AFT ✓ ActiveMicrochip Technology
ATSAME54N20A-AFT - 120MHz Cortex-M4F MCU, 1MB Flash, TQFP-100 | Microchip
ATSAME54N20A-AFT ✓ ActiveSpecification Comparison
| Parameter | ATSAME51N19A-AFT | ATSAME54N20A-AFT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.62 | $8.10 |
| Core Architecture | ARM Cortex-M4F (32-bit, with FPU and DSP) | — |
| Maximum CPU Frequency | 120 MHz | — |
| Program Memory (Flash) | 512 KB with ECC, dual-panel | — |
| SRAM | 192 KB | 256 KB with ECC |
| Operating Voltage Range | 1.71 V to 3.6 V | — |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Operating Temperature Range | -40 C to +125 C (industrial, -AFT suffix) | — |
| ADC | 12-bit, up to 1 MSPS, 16 channels | 12-bit, up to 16 channels |
| DAC | 12-bit, 2 channels | — |
| USB | USB 2.0 Full-Speed device/host with on-chip PHY | USB 2.0 Full-Speed with Type-C PD support |
| CAN | 2x CAN-FD controllers | — |
| 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 | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours, JEDEC J-STD-020) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Packaging | Tape & Reel (T&R) | — |
| Core | — | ARM Cortex-M4F (32-bit, with FPU) |
| Maximum Clock Speed | — | 120 MHz |
| Program Memory | — | 1 MB (dual-panel Flash with ECC) |
| Supply Voltage | — | 1.62 V to 3.6 V |
| Ethernet | — | 10/100 MAC integrated |
| CAN-FD | — | 2 channels |
| Operating Temperature | — | -40C to +125C (extended industrial) |
| Quality Grade | — | Industrial (extended temperature) |
| Reel/Tube Designator | — | AFT suffix = Tape and Reel |