MK21DX128VMC5 vs MK21DX256VMC5 对比
详细并排对比 MK21DX128VMC5 出自 NXP Semiconductors 和 MK21DX256VMC5 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 | MK21DX128VMC5 | MK21DX256VMC5 |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | Unknown |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.75 | $5.53 |
| Core Processor | ARM Cortex-M4 | — |
| Core Size | 32-Bit | — |
| Core Count | 1 (Single-Core) | — |
| 最大时钟频率 | 50 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 256 KB |
| Product Family | Kinetis K21 | Kinetis K21 sub-family |
| 封装 | 121-MAPBGA (8x8 mm) | 121-pin MAPBGA (8x8) |
| 电源电压 | 1.8V / 2.5V / 3.3V | — |
| USB | USB device | — |
| Security | DryIce tamper detection | — |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging Type | Tray | — |
| DSP Instructions | Yes (Cortex-M4 hardware MAC) | — |
| 数据总线宽度 | 32 bit | — |
| Manufacturer Status | Original manufacturer new (distributed by Rochester Electronics as authorized aftermarket) | — |
| SRAM | [DATA_NEEDED: SRAM size] | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Number of I/O | [DATA_NEEDED: GPIO count] | — |
| Processor Architecture | — | 32-bit ARM Cortex-M4 |
| Maximum CPU Frequency | — | 50 MHz |
| Flash Organization | — | 256K x 8 bit |
| Integrated Connectivity | — | USB |
| Alternate Package Description | — | 121-LFBGA |
| RAM | — | [DATA_NEEDED: RAM size] |
| Operating Voltage | — | [DATA_NEEDED: operating voltage range] |
| GPIO Count | — | [DATA_NEEDED: GPIO count] |
| USB Specification | — | [DATA_NEEDED: USB version and supported operating modes] |
| Clock Sources | — | [DATA_NEEDED: internal and external clock specifications] |
| ADC | — | [DATA_NEEDED: ADC resolution, channels, and input range] |
| UART and Serial Peripherals | — | [DATA_NEEDED: UART, SPI, and I2C peripheral details] |
| RoHS | — | [DATA_NEEDED: RoHS status] |
| REACH | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 | — | [DATA_NEEDED: automotive qualification status] |
| Packaging | — | [DATA_NEEDED: tray, tape-and-reel, or other shipping configuration] |