MCF54454VR266 vs MCF54455VR266 对比
详细并排对比 MCF54454VR266 出自 NXP Semiconductors 和 MCF54455VR266 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。
NXP Semiconductors
MCF54455VR266 - Coldfire V4 32-Bit MPU, 266MHz, 360-TEPBGA | NXP
MCF54455VR266 ⚠ 最后一次采购规格对比
| 参数 | MCF54454VR266 | MCF54455VR266 |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 停产 | 最后采购期 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $17.20 | $16.43 |
| Core Processor | ColdFire V4 | — |
| Core Size | 32-Bit | — |
| Maximum Clock Speed | 266 MHz | — |
| Program Memory Type | ROMless (external flash required) | — |
| 封装 | 360-TEPBGA (23x23 mm) | 360-TEPBGA (23x23 mm) |
| 安装类型 | Surface Mount | Surface Mount, BGA |
| Number of I/O | 132 | — |
| Connectivity | I2C, SPI, SSI, UART/USART, USB OTG | — |
| Peripherals | DMA, WDT (Watchdog Timer) | — |
| 电源电压 | 1.8V / 2.5V / 3.3V | — |
| MMU (Memory Management Unit) | Yes | — |
| FPU (Floating-Point Unit) | Present (this variant) | — |
| Ethernet MAC | Integrated | — |
| PCI Interface | Integrated | — |
| USB OTG | Integrated | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | 0C to +70C (industrial grade variants may exist) |
| MSL 等级 | [DATA_NEEDED: MSL level] | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant per NXP product page |
| Core Architecture | — | ColdFire V4 (32-bit RISC, MMU) |
| Core Frequency | — | 266 MHz |
| Instruction Set Width | — | 32-bit |
| On-chip Program Memory | — | ROMless (external boot required) |
| On-chip SRAM | — | [DATA_NEEDED: internal SRAM size in KB] |
| External Memory Bus | — | 32-bit address/data; SDRAM/DDR, SRAM, NOR flash |
| Supply Voltage (Core/IO) | — | 1.8 V / 2.5 V / 3.3 V (mixed) |
| Ethernet | — | 10/100 MAC (eNet) |
| USB | — | USB 2.0 On-The-Go (USB OTG) |
| PCI | — | PCI v2.3 bus controller |
| Serial Connectivity | — | UART, I2C, SPI, SSI/I2S, FlexCAN |
| MMU | — | Yes (supports protected OS / Linux) |