MCF54450VM240 vs MCF54451VM240 对比
详细并排对比 MCF54450VM240 出自 NXP Semiconductors 和 MCF54451VM240 出自 NXP Semiconductors。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。
规格对比
| 参数 | MCF54450VM240 | MCF54451VM240 |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 不推荐新设计 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $24.50 | $25.10 |
| Core Processor | ColdFire V4 | — |
| Core Size | 32-bit | — |
| Speed | 240 MHz | — |
| Instruction Cache | 16 KB | 16 KByte |
| Data Cache | 16 KB | 16 KByte |
| Internal SRAM | 32 KB | — |
| Memory Management Unit | Yes (MMU) | — |
| EMAC | Yes (enhanced multiply-accumulate) | — |
| Program Memory Type | ROMless | ROMless (external boot flash required) |
| Connectivity | I2C, SPI, SSI, UART/USART, USB OTG, Ethernet, PCI | 10/100 Ethernet MAC, USB OTG, PCI |
| Peripherals | DMA, WDT | — |
| Number of I/O | 132 | — |
| 封装 | 256-MAPBGA (17x17 mm) | 256-MAPBGA (17x17 mm) |
| 安装类型 | Surface Mount | Surface Mount (BGA) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| 电源电压 | [DATA_NEEDED: supply voltage range] | [DATA_NEEDED: core and I/O rail voltages] |
| 生命周期状态 | NRND (Not Recommended for New Designs) | NRND (Not Recommended for New Designs) |
| Core | — | ColdFire V4 (Version 4 with MMU and EMAC) |
| Operating Frequency | — | 240 MHz |
| DMIPS | — | up to 410 Dhrystone 2.1 MIPS |
| RAM Size | — | 32K x 8 on-chip SRAM |
| I/O Count | — | 132 |
| Memory Controller | — | DDR/DDR2 SDRAM + NAND flash controller |
| Packaging | — | Tray |