| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | UPD4711B | RS-232 LINE DRIVER/RECEIVER | 95K |
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| 2 | UPD4711BCX | RS-232 LINE DRIVER/RECEIVER | 95K |
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| 3 | UPD4711BGS | RS-232 LINE DRIVER/RECEIVER | 95K |
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深圳市碧威特网络技术有限公司