| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | HEF40192BT | Synchronous Up/Down Counter | 175K |
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| 2 | HEF40192BT | 4-bit up/down decade counter | 132K |
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| 3 | HEF40192BTD | Synchronous Up/Down Counter | 175K |
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| 4 | HEF40192BTD-T | Synchronous Up/Down Counter | 175K |
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