1 x D8251AFC 8251 Programmable communication interface USART AM9551 iAPX86 IC

NIOB BRK Electronics Programmable Light Switch Model 600, untested

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

1 X AM9551PC AMD 9551 9551PC 8bit shift register NEW IC

1x Mitsubishi M5L8253P-5 - 3 Timers, Programmable Timer Interface - IC DIP-24

1x UMC UM8253-5 - Programmable Interval Timer - IC P8253-5 P8253 24-Pin DIP

1x Genuine D8253C-2 NEC Japan = P8253C-2 5Mhz Programmable Interval Timer IC

2x KR580IK51 = 8251 Soviet Intel Clone USART IC KP580ИК51