Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Reverse engineering a vintage diode-transistor logic chip
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Going through a collection of old parts, CuriousMarc encountered some ICs that he couldn't identify. He opened up one of these ICs, and ...
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Inside the Intel 8087 chip: floating-point addition and subtraction
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In 1980, Intel introduced the 8087, a chip that made floating-point operations much faster in the IBM PC and other systems. Although the 808...
2 comments:
Inside a 1980s filter chip that uses switched capacitors
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Sometimes it's easier to identify an IC with a microscope. While sorting a box of old ICs, CuriousMarc came across some Harris ICs label...
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