2x Genuine P8251A INTEL Programmable Communications Interface Controller IC NEW

2 x KR580VV51A = 8251A Soviet Intel Clone USART IC KP580BB51A KR580WW51A 8251 IC

1 x D8251AFC 8251 Programmable communication interface USART AM9551 iAPX86 IC

1 x SCN2651C Genuine SIGNETICS Programmable communications interface 2651 IC

1 x INS2651N / 2651N Genuine NSC Programmable communications interface 2651 IC

1990s HP 3488A HP-IB Programmable Switch/Control Unit - Parts/Repair

2x KR580IK51 = 8251 Soviet Intel Clone USART IC KP580ИК51

Vintage Intel C8251 Very Rare version; 7540 date code! (ALL LEGS INTACT!!!) (M)