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序号 型号 描述 大小 厂家Logo 下载
1 ST490ACD LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER 208K ST 4493875
2 ST490ACDR LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER 208K ST 4493874
3 ST490ACDR Low power high speed RS-485/RS-422 transceiver 215K ST 2979512