LOT 2 R6551P R6551-27 serial communication control ic dip Interface

LOT 4 R6551P R6551-27 serial communication control ic dip Interface

IDT7201LA120P IDT Fifo, 512X9, 120NS, Asynchronous, Cmos, PDIP28 - NOS

UM8250B Asynchronous Communication Element (ACE); dip-40; UMC [1pcs]

LOT 8 R6551P R6551-27 serial communication control ic dip Interface

WD8250-PL Asynchronous Communication Element (ACE); Western Digital [1pcs]

GENERAL INSTRUMENTS AY-1013 UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER, USED

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