Resources Contact Us Home
Semiconductor integrated circuit device

Image Number 9 for United States Patent #7453742.

A semiconductor integrated circuit device includes a charge transfer transistor provided between a bit line and a sense amplifier, and a bit line clamp voltage generating circuit which generates bit line clamp voltage to be applied to the gate of the charge transfer transistor. The bit line clamp voltage generating circuit includes a current mirror circuit, a resistive dividing circuit provided between the input stage of the current mirror circuit and a reference potential node, a potential setting circuit provided between the output node of the resistive dividing circuit and the output stage of the current mirror circuit, and an operational amplifier which compares potential of the input stage of the current mirror circuit with reference potential to control the current mirror circuit. The operational amplifier is configured by transistors other than intrinsic transistors. The bit line clamp voltage is derived from the output stage of the current mirror circuit.

  Recently Added Patents
Image recording device, image recording method, and computer program product that adds a fluorescent-whitening-agent onto a recording sheet
Multi-room user interface
Photovoltaic system with integrated photovoltaic panel and battery
Cellulose derivative and hydrogel thereof
Precision geolocation of moving or fixed transmitters using multiple observers
Magnetic detection of small entities
Polyester resin for toner, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming met
  Randomly Featured Patents
Assembling stacked substrates that can form 3-D structures
Antihypercholesterolemic compounds
Electrolytic reduction of alumina
Optically active tetrahydropyrane derivatives, liquid crystal composition and liquid crystal device containing the same
Method for determining an aspherization layer for an ophthalmic lens
Multifunctional viscosity index improver-dispersant antioxidant
Multi-gas sensor systems for automotive emissions measurement
Manual valve of a hydraulic pressure control system for an automatic transmission of a vehicle
Idenitfication tag for postal objects by image signature and associated mail handling
Fan controlling system and method