IC TRIPLE LINE TRANSCEIVER, PDSO24, MO-150AG, SSOP-24, Line Driver or Receiver
IC DUAL SWITCHING CONTROLLER, PDSO8, SOIC-8, Switching Regulator or Controller

0.1 µF, +5V CMOS RS-232 200kBPS Transceiver with 4 Drivers, 3 Receivers, a Shutdown Pin and an Enable Pin
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