| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | MCP7940N | Low-Cost I2C? Real-Time Clock/Calendar with SRAM and Battery Switchover | 575K |
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| 2 | MCP7940NT | Low-Cost I2C? Real-Time Clock/Calendar with SRAM and Battery Switchover | 575K |
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