| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | MC146818A | REAL-TIME CLOCK PLUS RAM(RTC) | 2254K |
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| 2 | MC146818AL | REAL-TIME CLOCK PLUS RAM(RTC) | 2254K |
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| 3 | MC146818AP | REAL-TIME CLOCK PLUS RAM(RTC) | 2254K |
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| 4 | MC146818AS | REAL-TIME CLOCK PLUS RAM(RTC) | 2254K |
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