Wikipedia contributors. (2024, February 23). 2023. In Wikipedia, The Free Encyclopedia. Retrieved February 24, 2024, from https://en.wikipedia.org/w/index.php?title=2023&oldid=1209703169
Inside the die of Intel’s 8087 coprocessor chip, root of modern floating point (righto.com) Looking inside the Intel 8087, an early floating point chip, I noticed an interesting feature on the die: the substrate bias generation circuit. In this article I explain how this circuit is implemented, using analog and digital circuitry to create a negative voltage.
