MCIMX255AJM4A vs MCIMX251AJM4A 对比
详细并排对比 MCIMX255AJM4A 出自 NXP Semiconductors 和 MCIMX251AJM4A 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 | MCIMX255AJM4A | MCIMX251AJM4A |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 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） | $24.95 | $22.48 |
| Manufacturer | NXP Semiconductors (formerly Freescale) | — |
| Product Family | i.MX25 Applications Processor | — |
| Silicon Version | 1.2 (Automotive AEC-Q100 grade) | 1.2 |
| Core Architecture | ARM926EJ-S | ARM926EJ-S |
| Core Count | 1 | 1 |
| 数据总线宽度 | 32-bit | 32-bit |
| Maximum CPU Frequency | 400 MHz | — |
| On-chip RAM | 144 Kbytes | — |
| Instruction Cache | 32 Kbytes | 16 KB |
| Data Cache | 32 Kbytes | 16 KB |
| MMU | Yes (Linux/WinCE support) | — |
| 封装 | 400-LFBGA (MAPBGA-400), 17x17 mm, 0.8 mm pitch | 400-ball MAP-BGA, 17x17 mm, 0.8 mm pitch |
| 安装类型 | Surface Mount (BGA) | Surface Mount |
| I/O Voltage | 1.8 V / 2.5 V / 3.3 V tolerant | — |
| LCD Controller | Up to SVGA, up to 18 bpp | Yes (STN/TFT) |
| USB Ports | 2x USB 2.0 High-Speed (on-chip PHY) | — |
| ADC | 3x 12-bit general-purpose with touchscreen controller | — |
| Memory Controller | DDR2 / LPDDR / NAND flash boot | — |
| Peripherals | 10/100 Ethernet MAC, CAN 2.0, SD/MMC, I2S/SSI, I2C, SPI, UART | — |
| 工作温度 | -40C to +85C (automotive grade) | — |
| Compliance | AEC-Q100 automotive, RoHS | — |
| Maximum CPU Clock | — | 400 MHz |
| 工作电源电压 | — | -0.5 V to +1.52 V (core rail, see datasheet) |
| Maximum Operating Temperature | — | +85 C |
| Packaging | — | Tray |
| Automotive Grade | — | Yes (AEC-Q100 qualified, automotive temperature) |
| Integrated USB PHYs | — | 2 |
| On-chip ADC | — | 12-bit |
| Ethernet | — | 10/100 with RMII |
| Memory Interface | — | DDR2, LPDDR, MMC/SD/SDIO |
| RoHS 状态 | — | Compliant (per NXP product page) |