| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | TC74HC640 | OCTAL BUS TRANSCEIVER | 257K |
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| 2 | TC74HC640AF | OCTAL BUS TRANSCEIVER | 257K |
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| 3 | TC74HC640AF | Octal Bus Transceiver | 280K |
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| 4 | TC74HC640AP | OCTAL BUS TRANSCEIVER | 257K |
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| 5 | TC74HC640AP | Octal Bus Transceiver | 280K |
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