| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DM74LS161AN | Synchronous 4-Bit Binary Counters | 105K |
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| 2 | DM74LS161AN | Synchronous 4-Bit Binary Counters | 215K |
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| 3 | DM74LS161AN/A+ | Synchronous Up Counter | 372K |
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| 4 | DM74LS161AN/B+ | Synchronous Up Counter | 372K |
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