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SN65HVD75: Use SN65HVD75 to design RS485 automatic transceiver circuit
The additional R/C/diode helps to maintain symmetrical rise and fall times on the differential bus even with higher cable capacitances. If you have any questions on it please let me know.
THVD1450 is p2p drop-in compatible to SN65HVD75 and improves upon the VCC range supported, the common mode noise immunity, the number of nodes supported, and the ESD tolerance.
