ATSAME51N19A-AU vs ATSAME54N20A-AU Comparison
Detailed side-by-side comparison of ATSAME51N19A-AU by Microchip Technology and ATSAME54N20A-AU 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-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME51N19A-AU ✓ ActiveMicrochip Technology
ATSAME54N20A-AU - 120MHz Cortex-M4F MCU 1MB Flash 100-TQFP | Microchip
ATSAME54N20A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAME51N19A-AU | ATSAME54N20A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.98 | $8.75 |
| Core Architecture | ARM Cortex-M4F with FPU | — |
| Maximum Clock Frequency | 120 MHz | — |
| Program Memory (Flash) | 512 KB with ECC | — |
| SRAM | 192 KB | 256 KB (with ECC) |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Operating Temperature Grade | -40°C to +85°C (industrial) | — |
| Operating Voltage Range | 1.71 V to 3.6 V | — |
| ADC | Up to 2x 12-bit, 1 MSPS | 12-bit, up to 1 Msps |
| DAC | 12-bit, 1 MSPS | 2x 12-bit, 1 Msps |
| USB | USB 2.0 Full-Speed, on-chip transceiver | USB 2.0 High-Speed with on-chip PHY |
| CAN | CAN-FD | 2x CAN-FD controllers |
| SERCOM Channels | Up to 8 (UART/SPI/I2C configurable) | — |
| Cryptographic Accelerator | AES, SHA, TRNG | — |
| TrustZone-M | Supported | — |
| DMA Channels | 32 | — |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M4F (with single-precision FPU) |
| Maximum Core Clock | — | 120 MHz |
| Program Flash | — | 1 MB (dual-panel, with ECC) |
| Operating Voltage (VDD) | — | 3.3 V typical (1.71 V - 3.6 V) |
| Mounting Type | — | Surface Mount |
| Ethernet MAC | — | 10/100 Mbps (RMII) |
| Crypto Accelerator | — | AES, TRNG |
| Operating Temperature Range | — | -40 C to +85 C (industrial) |
| MSL Level | — | MSL3 (per JEDEC J-STD-020) |
| Lead-Free | — | Yes |
| Family | — | SAM D5x/E5x |