Matt’s Tech Pages obtained a set of 4 U552C’s – the Soviet version of the Intel 1702A.
What is our fixation with chips produced by the Soviet union by the help of industrial espionage? Or is it just me that likes to collect these?
… the pin spacing of these chips is a metric 2.5mm, not the usual imperial 0.1″. Engineers from the USSR apparently felt the need to correct the oddities of the imperial past.
See how these were programmed via another Soviet chip: the K1810VM86 – a clone of Intel’s 5MHz 8086 processor.
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