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3.3V RS485 IC

Other Parts Discussed in Thread: ISO3082, SN65HVD1476, SN65HVD75, SN65HVD78, SN65HVD71, ISO35T, ISO15

1 ISO3082我查DS寫VCC1=3.3v, VCC2=5V,請問兩個電壓是否可以都接3.3V?

2 SN65HVD23D我查DS電源電壓寫5V, 請問是否可以用3.3V

3  請問還有沒有其它轉RS485的訊號IC是3.3v?