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sn74hc640dwr datasheet pdf 下载

序号 型号 描述 大小 厂家Logo 下载
1 SN74HC640DWR OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS 444K TI SN74HC640DWR
2 SN74HC640DWRE4 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS 444K TI SN74HC640DWRE4