| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DM74LS249 | BCD to 7-Segment Decoder with Open-Collector Outputs | 105K |
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| 2 | DM74LS249J/A+ | Decoder/Driver | 134K |
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| 3 | DM74LS249M | Decoder/Driver | 231K |
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| 4 | DM74LS249N | BCD to 7-Segment Decoder with Open-Collector Outputs | 105K |
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| 5 | DM74LS249N/A+ | Decoder/Driver | 134K |
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| 6 | DM74LS249N/B+ | Decoder/Driver | 134K |
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