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:
Jun. 05, 1984
Filed:
Sep. 30, 1982
Robert L Chao, Sunnyvale, CA (US);
Supertex, Inc., Sunnyvale, CA (US);
Abstract
This is an improved approach to the operation of an integrated circuit memory, especially of the MOS type. The approach is especially suitable for use with CMOS read-only memories (ROMs). Specific improvements include address-triggered pulse generation, power switching and sharing for individual cells, a pseudo-dynamic approach to achieve quasi-static operation, self-compensating means for both 'word' lines and 'bit' lines, use of complementary decoding devices for the mutually orthogonal directions in the memory, and an improved output function. Specific circuitry for implementing the above approaches in a CMOS integrated circuit includes an address-triggered pulse generator, a self-tracking reference voltage source derived from both the 'word' lines and the 'bit' lines, an output stage with a CMOS driver into a bipolar transistor, and a sense amplifier including a capacitor.