| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | LTC489 | Quad RS485 Line Receiver | 234K |
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| 2 | LTC489C | Quad RS485 Line Receiver | 234K |
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| 3 | LTC489CN | Quad RS485 Line Receiver | 234K |
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| 4 | LTC489CS | Quad RS485 Line Receiver | 234K |
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| 5 | LTC489I | Quad RS485 Line Receiver | 234K |
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| 6 | LTC489IN | Quad RS485 Line Receiver | 234K |
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| 7 | LTC489IS | Quad RS485 Line Receiver | 234K |
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