4x 74FCT863 9-bit Bus Transceiver. DIP24. 74 series logic

x1 IDT 74FCT821AP 24 PIN DIP INTEGRATED CIRCUIT

PI74FCT861TP SemiConductor - DIP24 - Generic Make

P74FCT861ATP SemiConductor - DIP24 - Perfect-Line

P74FCT863BTP SemiConductor - DIP24 - PSC

IDT54FCT821BDB Integrated Circuit - DIP24 - Integrated Device Technology - IDT

CD74FCT823AEN Logic IC - DIP24 - Texas Instruments

IDT74FCT543ATP Logic IC - DIP24 - Integrated Device Technology - IDT