ATSAME54N20A-AFT vs ATSAME54N19A-AU Comparison
Detailed side-by-side comparison of ATSAME54N20A-AFT 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-AFT - 120MHz Cortex-M4F MCU, 1MB Flash, TQFP-100 | Microchip
ATSAME54N20A-AFT ✓ ActiveMicrochip Technology
ATSAME54N19A-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME54N19A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAME54N20A-AFT | ATSAME54N19A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.10 | $5.42 |
| Core | ARM Cortex-M4F (32-bit, with FPU) | — |
| Maximum Clock Speed | 120 MHz | — |
| Program Memory | 1 MB (dual-panel Flash with ECC) | — |
| SRAM | 256 KB with ECC | 192 KB with ECC |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Ethernet | 10/100 MAC integrated | — |
| CAN-FD | 2 channels | — |
| USB | USB 2.0 Full-Speed with Type-C PD support | USB 2.0 Full-Speed with on-chip PHY |
| ADC | 12-bit, up to 16 channels | 12-bit, up to 1 Msps, 16 channels |
| Operating Temperature | -40C to +125C (extended industrial) | -40C to +85C (industrial) |
| MSL Level | 3 (168 hours) | 3 |
| RoHS Status | Compliant | Compliant |
| Quality Grade | Industrial (extended temperature) | — |
| Reel/Tube Designator | AFT suffix = Tape and Reel | — |
| Core Architecture | — | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum Clock Frequency | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB (dual-panel with ECC) |
| Supply Voltage (VDD) | — | 1.62 V to 3.6 V |
| SERCOM Channels | — | 8 (configurable as UART/SPI/I2C) |
| I2S Audio Interface | — | Yes |
| Crypto Accelerator | — | TRNG, AES-256, SHA-256, RSA |
| External Memory Bus | — | Yes (EBI, 16-bit) |