Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Unusual circuits in the Intel 386's standard cell logic

I've been studying the standard cell circuitry in the Intel 386 processor recently. The 386, introduced in 1985, was Intel's most co...

Solving the NYTimes Pips puzzle with a constraint solver

The New York Times recently introduced a new daily puzzle called Pips . You place a set of dominoes on a grid, satisfying various condition...

A Navajo weaving of an integrated circuit: the 555 timer

The noted Diné (Navajo) weaver Marilou Schultz recently completed an intricate weaving composed of thick white lines on a black background, ...

Why do people keep writing about the imaginary compound Cr2Gr2Te6?

I was reading the latest issue of the journal Science , and a paper mentioned the compound Cr 2 Gr 2 Te 6 . For a moment, I thought my knowl...

Here be dragons: Preventing static damage, latchup, and metastability in the 386

I've been reverse-engineering the Intel 386 processor (from 1985), and I've come across some interesting circuits for the chip's...

View web version

Powered by Blogger.