DS36276
(RS-485 MULTIPOINT LINE DRIVERS, RECEIVERS AND TRANSCEIVERS)
FAILSAFE Multipoint Transceiver

    +----------+
 RO |1  +--+  8| VCC
/RE |2        7| /DO /RI
 DE |3  DS36  6| DO RI
 DI |4  276   5| GND
    +----------+