Ken Shirriff's blog

I recently came across an interesting die photo of a Soviet 1 chip, probably designed in the 1970s. This article provides an introductory g...

The Bendix Central Air Data Computer (CADC) is an electromechanical analog computer that uses gears and cams for its mathematics. It w...

I've studied a lot of chips from the 1970s and 1980s, so I usually know what to expect. But an Ethernet chip from 1982 had something new...

While repairing an eight-inch HP floppy drive, we found that the problem was a broken interface chip. Since the chip was bad, I decapped it ...