PC16550DN/NOPB
Rochester Electronics
SC16C554BIB80557
SC16C654BIA68,512
SC16C654BIA68,529
TL16PC564BLVIPZ
CP1854ACD
TL16PC564BGGM
TL16PC564BLVPZ
IS82C55A-596
TL16PC564BPZ
HD1-6402C-9
XR16C854IQ
CS82C50A-596
COM78C802P
AY-5-1013A-HR
COM92C451P
HD1-6402-9
SAFC165HLFV13XP
SAFC165UTAHLFV13XP
CS82C50A-5