Artifact Details


Parkinson patent notebook (#1136)

Catalog Number






Parkinson, Ward D.

Biographical Notes

Ward D. Parkinson was raised in Blackfoot, Idaho. He received a B.S.E.E. from Utah State University, M.S.E.E. from Stanford University and a J.D. from Chicago-Kent College of Law, Illinois Institute of Technology. He joined Fairchild circa 1971where, supervised by Robert Marley, he designed high-speed ECL logic and memory circuits. He worked for Motorola in Phoenix, Arizona, and start-up Inmos Ltd. in the mid-1970s before co-founding Micron Technology, Inc. in Boise, Idaho, with his twin brother Joseph L. Parkinson in 1978. Micron became a leader in the production of high-density MOS memory chips beginning with the 64K DRAM. He served as Chairman and CEO of Micron from 1978 through 1986 and as Vice Chairman until 1989. He serves on the boards of Blue Cross of Idaho, Chicago Kent Law School, and the engineering board of Utah State University.

Fairchild Semiconductor

Identifying Numbers

Document number 1136

6 dated entries over 53 pages.

12 x 10 inches


This volume contains gate design evaluation studies and suggestions for improved CTL (Complementary Transistor Logic) cell designs, including design, test and measurement data for 9820 and 9821 Line Driver devices (p. 7); proposal for clamped input cell (witnessed by R. Marley and R. Badertscher p. 47); zener diode clamp (p. 49); and NPN replacement for PNP in CTL gate (p. 51).


The author is named as inventor on more than 30 U.S patents assigned to Motorola, Mostek, Intel, Micron and Ovonyx. None are assigned to Fairchild.



Collection Title

Fairchild Semiconductor notebooks and technical papers


Gift of Texas Instruments Incorporated

Lot Number