Resources Contact Us Home
Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions

Image Number 11 for United States Patent #5822267.

A semiconductor integrated circuit comprises a semiconductor chip, a power supply terminal provided on the semiconductor chip for receiving a voltage from an external power supply source, an internal circuit provided on the semiconductor chip, a power supply circuit provided on the semiconductor chip for transforming an external power supply voltage received from the power supply terminal for supplying a source voltage resulting from the voltage transformation to the internal circuit, and a control circuit provided on the semiconductor chip for controlling the power supply circuit, wherein the control circuit includes external power supply voltage detecting means and/or temperature detecting means and responds to the signal from the external power supply voltage detecting means and/or the temperature detecting means by changing the power supply voltage to the internal circuit to thereby maintain the operating speed of the internal circuit to be constant.

  Recently Added Patents
Digital watermark embedding apparatus, digital watermark embedding method, and digital watermark detection apparatus
System and method for combining different tablets into a pouch
Methods of synthesizing heteromultimeric polypeptides in yeast using a haploid mating strategy
Neurophysiological central auditory processing evaluation system and method
Electrode structure and its manufacturing method, and semiconductor module
Method and apparatus for allocating erasure coded data to disk storage
Method, system and computer program product for verifying floating point divide operation results
  Randomly Featured Patents
Organic peroxide composition containing trihydric alcohol, alkali or alkaline earth metal chloride, or monosaccharide
Manufacturing equipment of wearing article
Telephone line use enablement of lottery or fund participation
Organization structure system
Method and apparatus for controlling a vehicle computer model
Enhanced magnetic field communication system
Agitator and agitator assembly
Platen and printer using the same
RNA from cytology samples to diagnose disease
Integrated scanner/plotter for microfilm aperture cards