| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | 74HCT4020 | 14-stage binary ripple counter | 51K |
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| 2 | 74HCT4020D | 14-stage binary ripple counter | 51K |
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| 3 | 74HCT4020DB | 14-stage binary ripple counter | 51K |
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| 4 | 74HCT4020D-T | Asynchronous Up Counter | 105K |
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| 5 | 74HCT4020N | 14-stage binary ripple counter | 51K |
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| 6 | 74HCT4020PW | 14-stage binary ripple counter | 51K |
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