| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SN74ALS642ADW | OCTAL BUS TRANSCEIVERS WITH OPEN-COLLECTOR OUTPUTS | 118K |
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| 2 | SN74ALS642ADW | OCTAL BUS TRANSCEIVERS WITH OPEN-COLLECTOR OUTPUTS | 508K |
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| 3 | SN74ALS642ADWR | OCTAL BUS TRANSCEIVERS WITH OPEN-COLLECTOR OUTPUTS | 508K |
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