Hitachi HD468A50P Serial Asynchronous Comm Interface IC for MC6800 Family

Hitachi HD46850P Integrated Circuit

Motorola MC68B50PD Serial Asynchronous Comm Interface IC for MC6800 Family

HITACHI HD46850P DIP-24

2 ea R6551AP R6651-27 Rockwell Asynchronous Communication Interface Adapter IC Z

(2 PCS) IDT71016S15Y SRAM - Asynchronous Memory IC 1Mbit Parallel 15 ns 44-SOJ

RCA CDP1854D Used Ceramic 40 Pin IC UART Programmable Asynchronous Rcvr/Xmitter

Synertek SY6551 Asynchronous Communication Interface Adapter Integrated Circuit