型号 | 品牌 | 描述 | 获取价格 | 数据表 |
74F191DC | ETC | Synchronous Up/Down Counter |
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74F191DCQB | FAIRCHILD | Up/Down Binary Counter with Preset and Ripple Clock |
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74F191DCQM | FAIRCHILD | Binary Counter, Synchronous, Bidirectional, TTL, CDIP16, |
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74F191DCQR | FAIRCHILD | Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, |
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74F191DCX | FAIRCHILD | Up/Down Binary Counter with Preset and Ripple Clock |
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74F191DMQB | FAIRCHILD | Up/Down Binary Counter with Preset and Ripple Clock |
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