IC DUAL LINE TRANSCEIVER, PDSO16, MS-013AA, SOIC-16, Line Driver or Receiver
5 V, Slew-Rate Limited, Low Power, 250 kbps, Full Duplex EIA RS-485 Transceiver

IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16, SOIC-16, Power Management Circuit

5 V, Slew-Rate Limited, Low Power, 250 kbps, Full Duplex EIA RS-485 Transceiver (with DE/RE)

High-Speed, +3.3V, 2-Channel RS232/V.28 Interface Device with 460kBPS Data Rate and Shutdown and Enable Pins