| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | CD4520BF | CMOS DUAL UP-COUNTERS | 569K |
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| 2 | CD4520BF | CMOS DUAL UP-COUNTERS | 568K |
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| 3 | CD4520BF3 | Logic IC | 416K |
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| 4 | CD4520BF3A | CMOS DUAL UP-COUNTERS | 569K |
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| 5 | CD4520BF3A | CMOS DUAL UP-COUNTERS | 568K |
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