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. 08, 1993
Filed:
Mar. 13, 1992
Kazuyuki Nonaka, Kasugai, JP;
Tetsuya Aisaka, Kasugai, JP;
Fujitsu Limited, Kawasaki, JP;
Fujitsu VLSI Limited, Kawasaki, JP;
Abstract
A bias voltage generation circuit comprises a bias voltage generation portion having a bias control node, a first switching unit, and a second switching unit. The bias voltage generation portion is used to generate a bias voltage of a predetermined potential and supply the bias voltage to an ECL circuit during an operation period, and the first switching unit is used to drop the bias voltage during a standby period in response to a bias voltage control signal. The second switching unit is used to switch OFF during the standby period to cut off a current flow through the bias control node and switch ON during the operation period to supply a current through the bias control node in response to the bias voltage control signal. Consequently, a current flow during the standby period can be reduced, and power consumption of the bias voltage generation circuit during the standby period is minimal.