| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | SP331ET | Programmable RS-232/RS-485 Transceiver | 173K |
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| 2 | SP331ET | Programmable Dual RS-232/RS-485 Transceiver | 192K |
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| 3 | SP331ET/TR | Programmable Dual RS-232/RS-485 Transceiver | 192K |
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