Title:
オシレータ回路
Document Type and Number:
Japanese Patent JP4094576
Kind Code:
B2
Abstract:
An oscillator circuit includes a current source for generating a current depending on the ambient temperature, a plurality of oscillators for oscillating at respective periods depending on the current from the current source and based on different relations between the ambient temperature and the periods, and a frequency demultiplication unit for receiving an output signal from one of the oscillators selected by a period selecting circuit 103 . The frequency dividing ratio of the frequency demultiplication circuit is set so that a higher ambient temperature provides a smaller frequency dividing ratio.
Inventors:
Tsuyoshi Hashimoto
Application Number:
JP2004091837A
Publication Date:
June 04, 2008
Filing Date:
March 26, 2004
Export Citation:
Assignee:
Elpida Memory Co., Ltd.
International Classes:
H03L1/02; G11C11/406; H03L1/00
Domestic Patent References:
| JP58205887A |
Attorney, Agent or Firm:
Kiyoshi Inagaki