| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | HEF40192 | 4-bit up/down decade counter | 132K |
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| 2 | HEF40192 | 4-bit up/down decade counter | 132K |
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| 3 | HEF40192B | 4-bit up/down decade counter | 132K |
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| 4 | HEF40192BD | 4-bit up/down decade counter | 132K |
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| 5 | HEF40192BF | 4-bit up/down decade counter | 132K |
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| 6 | HEF40192BN | 4-bit up/down decade counter | 132K |
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| 7 | HEF40192BP | 4-bit up/down decade counter | 132K |
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| 8 | HEF40192BPN | Synchronous Up/Down Counter | 175K |
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| 9 | HEF40192BT | Synchronous Up/Down Counter | 175K |
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| 10 | HEF40192BT | 4-bit up/down decade counter | 132K |
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| 11 | HEF40192BTD | Synchronous Up/Down Counter | 175K |
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| 12 | HEF40192BTD-T | Synchronous Up/Down Counter | 175K |
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