| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | 74HC4510 | BCD up/down counter | 104K |
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| 2 | 74HC4510D | BCD up/down counter | 104K |
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| 3 | 74HC4510DB | BCD up/down counter | 104K |
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| 4 | 74HC4510D-T | Synchronous Up/Down Counter | 216K |
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| 5 | 74HC4510N | BCD up/down counter | 104K |
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| 6 | 74HC4510PW | BCD up/down counter | 104K |
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