| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SN74HCT646DWR | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS | 267K |
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| 2 | SN74HCT646DWR | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS | 267K |
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深圳市碧威特网络技术有限公司