3Pcs SN74LS640N PDIP-20 Bus Transceivers Octal Bus

3Pcs SN74ALS640BNSR SO-20 Bus Transceivers OCTAL BUS TRANSCEIVER

3Pcs SN74ABT646ADW SOIC-24 Bus Transceivers Tri-State Octal Bus

3Pcs MAX3227ECDB RS-232 Interface IC 3-5.5V Single-Ch Line Drvr/Rcvr

3Pcs 74VCX164245MTDX TSSOP-48 Bus Transceivers 16-Bit Dual Translating Xceiver

2Pcs SN65C3243PW TSSOP-28 RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr

3Pcs SN74LVCZ16245ADGGR TSSOP-48 Bus Transceivers 16bit Bus

3Pcs SN65C3232DR SOP-16 RS-232 Interface IC 3-5.5V 2 Ch Compat Line Drvr/Rcvr