ATSAMD51J20A-AU vs ATSAMD51J18A-AU 对比
详细并排对比 ATSAMD51J20A-AU 出自 Microchip Technology 和 ATSAMD51J18A-AU 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
ATSAMD51J20A-AU - SAM D51 120MHz Cortex-M4F 1MB Flash MCU | Microchip
ATSAMD51J20A-AU ✓ 量产中Microchip Technology
ATSAMD51J18A-AU - 120MHz Cortex-M4F MCU 256KB Flash 64-TQFP | Microchip
ATSAMD51J18A-AU ✓ 量产中规格对比
| 参数 | ATSAMD51J20A-AU | ATSAMD51J18A-AU |
|---|---|---|
| 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） | $5.10 | $4.39 |
| Core | ARM Cortex-M4F with FPU and DSP | ARM Cortex-M4F with single-precision FPU |
| Maximum Clock Speed | 120 MHz | — |
| Program Memory (Flash) | 1 MB (1M x 8) with ECC | 256 KB |
| SRAM | 256 KB | 256 KB |
| Operating Voltage | 1.71 V to 3.63 V | — |
| 封装 | 64-pin TQFP (10 x 10 mm) | 64-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount (TQFP-64) |
| 工作温度 | -40C to +85C (industrial grade) | — |
| ADC | 12-bit, up to 16 channels, 1 MSPS | 12-bit, up to 1 MSPS |
| DAC | 12-bit, 2 channels | 12-bit |
| USB | USB 2.0 Full-Speed with embedded transceiver | USB 2.0 Full-Speed with on-chip PHY |
| CAN | CAN-FD | — |
| Serial Interfaces | 6x SERCOM (UART/SPI/I2C), I2S | — |
| Hardware Crypto | AES-256 | — |
| RoHS 状态 | Compliant | Compliant |
| Maximum CPU Clock | — | 120 MHz |
| Operating Voltage (VDDIO/VDDIN) | — | 1.62 V to 3.6 V |
| SERCOM | — | Up to 6 (configurable UART/SPI/I2C) |
| Operating Temperature (AU grade) | — | -40C to +85C |
| CoreMark/MHz | — | 2.46 |
| Touch Controller | — | Peripheral Touch Controller (PTC) |
| MSL 等级 | — | 3 (168 hours) |
| Lead-Free | — | Yes |
| ECC Support | — | Flash + SRAM ECC |