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:
Dec. 30, 1997
Filed:
Feb. 28, 1996
Takeshi Hashizume, Tokyo, JP;
Kazuhiro Sakashita, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
It is an object to obtain a semiconductor integrated circuit with reduced power consumption without reducing operation speed. In clock input control means (27), an exclusive OR gate (26a) receives comparison data (S1 and S2) and an NAND gate (27a) receives output of the exclusive OR gate (26a) and a reference clock (T) and outputs its output, a control signal (SC1) to an AND gate (G1) and an AND gate (G2) in a data holding portion (31a). An exclusive OR gate (26b) receives comparison data (S3 and S4) and an NAND gate (27b) receives the output of the exclusive OR gate (26b) and the reference clock (T), and outputs its output, a control signal (SC2) to an OR gate (G5) and an OR gate (G6) in a data holding portion (31b). Appropriately selecting the comparison data (S1-S4) allows data transfer at high speed of input data (D), output data (Q), inverted output data (QC), and so forth.