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:
May. 08, 1984
Filed:
May. 29, 1980
George L Brantingham, Lubbock, TX (US);
Perry W Lou, Houston, TX (US);
Lawrence J Housey, Richardson, TX (US);
Graham S Tubbs, Houston, TX (US);
Jeffrey R Teza, Houston, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A method of designing and manufacturing a modular integrated circuit for a 4 bit microcomputer family utilizing a modular concept which is adaptable for a variety of applications and specific circuit desgins. The modular circuit is designed as a large block of cells which contains an ALU, instruction decoder, bus structure and a small amount of RAM and ROM as well as ROM control logic. In addition, the block contains attachment points for additional ROM and RAM and for special input/output devices such as I/O bus, timekeeping, A-D, D-A, display drive, communication ports and general purpose control lines.