ATSAMD51J20A-AF vs ATSAMD51J18A-AF 对比
详细并排对比 ATSAMD51J20A-AF 出自 Microchip Technology 和 ATSAMD51J18A-AF 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-AF - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAMD51J20A-AF ✓ 量产中Microchip Technology
ATSAMD51J18A-AF - SAM D51 Cortex-M4F MCU 120MHz 256KB | Microchip
ATSAMD51J18A-AF ✓ 量产中规格对比
| 参数 | ATSAMD51J20A-AF | ATSAMD51J18A-AF |
|---|---|---|
| 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） | $5.85 | $4.50 |
| Core | ARM Cortex-M4F with single-precision FPU | — |
| Maximum Clock Speed | 120 MHz | — |
| Program Memory (Flash) | 1 MB (1M x 8), dual-panel with ECC | 256 KB dual-panel with ECC |
| SRAM | 256 KB with ECC | Up to 128 KB |
| 封装 | 64-TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| 工作温度范围 | -40 C to +125 C (extended) | — |
| 安装类型 | Surface Mount | Surface Mount (TQFP) |
| Number of I/O | 51 | — |
| Core Size | 32-Bit single core | — |
| ADC | [DATA_NEEDED: number of channels and resolution] | 12-bit, up to 16 channels, 1 MSPS |
| Supply Voltage (VDDIO) | [DATA_NEEDED: VDDIO min/max] | — |
| Supply Voltage (VDDCORE) | [DATA_NEEDED: VDDCORE range] | — |
| USB | Full-speed USB 2.0 Device/Host with on-chip transceiver | — |
| Communication Interfaces | CAN-FD, I2S, SD/MMC, QSPI, SERCOM (UART/SPI/I2C) | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 | 3 (per JEDEC J-STD-020) |
| Packaging | Tray | — |
| Core Architecture | — | ARM Cortex-M4F with single-precision FPU and DSP extensions |
| Maximum CPU Clock | — | 120 MHz |
| Supply Voltage (VDD) | — | 1.71 V to 3.63 V |
| 工作温度 | — | -40C to +125C (extended industrial) |
| USB Interface | — | USB 2.0 Full-Speed Device/Host/OTG |
| Communication Peripherals (SERCOM) | — | Multiple SERCOM configurable as UART/SPI/I2C |
| Audio Interface | — | I2S |
| Storage Interface | — | SDHC / SDMMC |
| DMA Channels | — | [DATA_NEEDED: DMA channel count] |
| Cryptography | — | [DATA_NEEDED: hardware crypto block] |