| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | SN74LS197D | 50/30/100-MHz [RESETTABLE DECADE OR BINARY COUNTERS/LATCHES | 798K |
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| 2 | SN74LS197D | 4-STAGE PRESETTABLE RIPPLE COUNTERS | 232K |
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| 3 | SN74LS197D | 4-STAGE PRESETTABLE RIPPLE COUNTERS | 95K |
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