| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | M74HC4020B1R | HC4020 14 STAGE BINARY COUNTER HC4040 12 STAGE BINARY COUNTER | 272K |
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| 2 | M74HC4020B1R | HC4020 14 STAGE BINARY COUNTER HC4040 12 STAGE BINARY COUNTER | 272K |
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| 3 | M74HC4020B1R | 14 STAGE BINARY COUNTER | 373K |
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