ATSAME54N20A-AF vs ATSAME54N19A-AU Comparison
Detailed side-by-side comparison of ATSAME54N20A-AF by Microchip Technology and ATSAME54N19A-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
ATSAME54N20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME54N20A-AF ✓ ActiveMicrochip Technology
ATSAME54N19A-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME54N19A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAME54N20A-AF | ATSAME54N19A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.55 | $5.42 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP extensions | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Clock | 120 MHz | — |
| Program Flash Memory | 1 MB (1M x 8), dual-panel with ECC | — |
| SRAM | 256 KB with ECC | 192 KB with ECC |
| Supply Voltage (VDD) | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Temperature Range | -40C to +125C (extended) | — |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed with integrated PHY | USB 2.0 Full-Speed with on-chip PHY |
| Ethernet | 10/100 Mbps MAC with IEEE 1588 support | — |
| CAN | CAN-FD | — |
| ADC | 12-bit, up to 1 Msps | 12-bit, up to 1 Msps, 16 channels |
| Crypto Accelerator | AES, SHA, True Random Number Generator (TRNG) | TRNG, AES-256, SHA-256, RSA |
| SERCOM / Configurable Serial | Multiple (USART/SPI/I2C configurable) | — |
| Parallel Capture Controller | Yes (camera/display interface) | — |
| MSL Level | [DATA_NEEDED: MSL rating] | 3 |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB (dual-panel with ECC) |
| Operating Temperature | — | -40C to +85C (industrial) |
| SERCOM Channels | — | 8 (configurable as UART/SPI/I2C) |
| I2S Audio Interface | — | Yes |
| External Memory Bus | — | Yes (EBI, 16-bit) |