MCIMX257DJM4A vs MCIMX251AJM4A 对比
详细并排对比 MCIMX257DJM4A 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 | MCIMX257DJM4A | 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） | $16.54 | $22.48 |
| Core Architecture | ARM926EJ-S | ARM926EJ-S |
| Core Count | 1 | 1 |
| 数据总线宽度 | 32-bit | 32-bit |
| 最大时钟频率 | 400 MHz | — |
| Internal SRAM | 128 KB | — |
| Number of I/O | 128 | — |
| 封装 / 外壳 | 400-LFBGA (17x17 mm) | — |
| Supply Voltage - Core | 1.38 V to 1.52 V | — |
| Supply Voltage - I/O | 3.0 V to 3.6 V | — |
| 工作温度 | -40 °C to +85 °C | — |
| Oscillator Type | External | — |
| Instruction Cache | 16 KB | 16 KB |
| Data Cache | 16 KB | 16 KB |
| USB PHYs | 2 (HS OTG + HS Host) | — |
| Ethernet MAC | 10/100 Mbps | — |
| ADC Channels | 3 x 12-bit | — |
| Touchscreen Controller | Yes (integrated) | — |
| LCD Controller | Yes (up to WVGA) | Yes (STN/TFT) |
| Packaging | Tray | Tray |
| Silicon Version | 1.2 | 1.2 |
| Series | i.MX25 | — |
| RoHS 状态 | Compliant | Compliant (per NXP product page) |
| 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 |
| 封装 | — | 400-ball MAP-BGA, 17x17 mm, 0.8 mm pitch |
| 安装类型 | — | Surface Mount |
| 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 |