MC1489N 4XRS232 RECEIVERDIL-14
MC1488N 4XRS232 DRIVERDIL-14
AM26LS32PC 4XRS422/3 RECEIDIL-16
ULN2003ADR2G 7X DARL.DRIVERSOIC-16
ULN2003AN 7X DARLINGTON DRIVERDIL-16 NPN 0.5A 50V