National Semiconductor NS COP8SBR9HVA8 vintage NOS microcontroller

National Semiconductor NS COP8SAC7 vintage NOS microcontroller

National Semiconductor NS COP87L88FHN-XE vintage PDIP NOS microcontroller

National Semiconductor NS COP8FGR744V8 vintage NOS microcontroller

1 X COP8SAC740N9 Series Microcontroller IC 8-Bit 10MHz 4KB (4K x 8)

1 X COP8SAC728N9 Series Microcontroller IC 8-Bit 10MHz 4KB (4K x 8)

National COP8SGR740Q3 IC 8-Bit CMOS Microcontroller Rare, Vintage IC, Gold Cer.

National Semiconductor DP8350N Integrated Circuit 40-pIn CRT Microcontroller