| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | 74HCT390 | Dual decade ripple counter | 50K |
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| 2 | 74HCT390 | DUAL DECADE RIPPLE COUNTER | 262K |
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| 3 | 74HCT390 | DUAL DECADE RIPPLE COUNTER | 262K |
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| 4 | 74HCT390C | Asynchronous Up Counter | 37K |
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| 5 | 74HCT390D | Dual decade ripple counter | 50K |
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| 6 | 74HCT390DB | Dual decade ripple counter | 50K |
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| 7 | 74HCT390D-T | Asynchronous Up Counter | 130K |
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| 8 | 74HCT390N | Dual decade ripple counter | 50K |
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| 9 | 74HCT390P | Asynchronous Up Counter | 37K |
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| 10 | 74HCT390PW | Dual decade ripple counter | 50K |
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