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使用LVDS信号和LVTTL信号之间的转换,1.在驱动端 选用SN75LVDS389DBT(LVTTL>LVDS), 在接收端选用SN75LVDT388ADBT(LVDS>LVTTL),想问一下这两款芯片使用时各参数能否匹配,2.看手册上面说SN75LVDT388ADBT已经集成了内部的110Ohm的终端匹配电阻,应该不用外接匹配电阻了吧。 PS:在驱动端的输入信号有6个LVTTL信号。
SN75LVDS389和SN75LVDT388或者SN75LVDS388搭配使用,SN75LVDT388和SN75LVDS388的区别在于SN75LVDT388内部已经集成了终端匹配电阻,而者SN75LVDS388没有。