The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 19, 1991
Filed:
Nov. 15, 1989
Applicant:
Inventors:
Tatsuo Okahashi, Sayama, JP;
Masao Naito, Iruma, JP;
Atsushi Hasegawa, Koganei, JP;
Norio Nakagawa, Koganei, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Microcomputer Engineering Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 80 ; 357 74 ; 357 75 ; 361404 ; 361409 ;
Abstract
An electronic system having a first and a second semiconductor device acting as a microprocessor and a coprocessor, respectively, disposed linearly on a mounting board. The external pins common to both the first and the second semiconductor device are connected by wiring means installed linearly on the mounting board.