ATSAME54N19A-AF vs ATSAME54N20A-AFT 对比
详细并排对比 ATSAME54N19A-AF 出自 Microchip Technology 和 ATSAME54N20A-AFT 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATSAME54N19A-AF - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME54N19A-AF ✓ 量产中Microchip Technology
ATSAME54N20A-AFT - 120MHz Cortex-M4F MCU, 1MB Flash, TQFP-100 | Microchip
ATSAME54N20A-AFT ✓ 量产中规格对比
| 参数 | ATSAME54N19A-AF | ATSAME54N20A-AFT |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $5.49 | $8.10 |
| Core | ARM Cortex-M4F with single-precision FPU | ARM Cortex-M4F (32-bit, with FPU) |
| CPU Architecture | 32-bit RISC with MPU and DSP extensions | — |
| Maximum CPU Clock | 120 MHz | — |
| Performance | 150 DMIPS, 1.25 DMIPS/MHz | — |
| Flash Memory | 512 KB (dual-panel, with ECC) | — |
| SRAM | 192 KB with ECC | 256 KB with ECC |
| Operating Voltage | 1.71 V to 3.6 V | — |
| 工作温度 | -40C to +125C (automotive grade) | -40C to +125C (extended industrial) |
| 封装 | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| 安装类型 | Surface Mount (Gull-wing) | Surface Mount |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 16 channels |
| DAC | 2x 12-bit | — |
| USB | USB 2.0 Full-Speed Host/Device with on-chip PHY | USB 2.0 Full-Speed with Type-C PD support |
| CAN | 2x CAN-FD controllers | — |
| Ethernet | 10/100 Mbps MAC (requires external PHY) | 10/100 MAC integrated |
| SERCOM | Up to 6 (configurable UART/SPI/I2C) | — |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| Maximum Clock Speed | — | 120 MHz |
| Program Memory | — | 1 MB (dual-panel Flash with ECC) |
| 电源电压 | — | 1.62 V to 3.6 V |
| CAN-FD | — | 2 channels |
| Quality Grade | — | Industrial (extended temperature) |
| Reel/Tube Designator | — | AFT suffix = Tape and Reel |