| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | HEF4029BT | Synchronous Up/Down Counter | 237K |
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| 2 | HEF4029BT | Synchronous up/down counter, binary/decade counter | 193K |
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| 3 | HEF4029BT | Synchronous up/down counter, binary/decade counter | 196K |
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| 4 | HEF4029BTD | Synchronous Up/Down Counter | 237K |
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| 5 | HEF4029BTD-T | Synchronous Up/Down Counter | 237K |
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