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A History of Early Microcontrollers, Part 1: Calculator Chips Came First (2022)
Gary Boone, who worked in the Texas Instruments (TI) MOS Department, devised the first chip that can be called a microcontroller because he was becoming bored with his job and in trouble with his f…
Gary Boone, who worked in the Texas Instruments (TI) MOS Department, devised the first chip that can be called a microcontroller because he was becoming bored with his job and in trouble with his family. Like all the semiconductor makers listed at the beginning of this article, both TI and Mostek would soon announce microcontrollers, developed in part with knowledge gained from the creation of these early calculator chips. Calculator chip patent 4,074,351 described additional target applications including taxi meters, digital voltmeters, event counters, automobile odometers, and measuring scales.
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