Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-6,381,194 OUTPUT CIRCUIT FOR A DOUBLE DATA RATE DYNAMIC RANDOM ACCESS MEMORY, DOUBLE DATA RATE DYNAMIC RANDOM ACCESS...
A method and apparatus for synchronizing output data and data strobe signals uses internal interleaved clock signals in a double data rate (DDR) DRAM that are...
US-6,381,193 Apparatus for externally timing high voltage cycles of non-volatile memory system
An apparatus which allows the pulse duration of the high voltage pulses used in the programming and erase operations of a non-volatile memory system to be...
US-6,381,192 Address buffer in a flash memory
An address buffer in a flash memory includes a buffer section for buffering external addresses to select specific sectors in the flash memory, a code storage...
US-6,381,191 Fast accessible dynamic type semiconductor memory device
Respective ones of a plurality of memory array blocks are rendered drivable independently of each other under control of an array activation control circuit....
US-6,381,190 Semiconductor memory device in which use of cache can be selected
A semiconductor memory device, includes a plurality of banks, each of which includes a memory cell array and a sense amplifier section, a plurality of channel...
US-6,381,189 Semiconductor register element
To provide a semiconductor register element being capable of reducing standby power consumption of a CMOS semiconductor integrated circuit. Upon shifting from a...
US-6,381,188 DRAM capable of selectively performing self-refresh operation for memory bank
A dynamic random access memory (DRAM) including a plurality of memory banks is capable of selectively performing a self-refresh operation with respect to only a...
US-6,381,187 Sense amplifier circuit for use in a semiconductor memory device
Disclosed herein is a sense amplifier circuit which includes a first, a second and a third similar load transistors. The first and second load transistors supply...
US-6,381,186 Dynamic random access memory
A dynamic random access memory includes a plurality of dynamic memory cells arranged in rows and columns, a word line connected to the memory cells on the same...
US-6,381,185 Method and a circuit architecture for testing an integrated circuit comprising a programmable, non-volatile memory
A method for testing a programmable, nonvolatile memory including a matrix of memory cells is provided. A plurality of memory cells are programmed. The...
US-6,381,184 Method and apparatus for rapidly testing memory devices
A circuit transfers data in an array of memory cells arranged in rows and columns. The circuit includes a plurality of row lines, a plurality of pairs of...
US-6,381,183 Column redundancy for prefetch
An integrated memory circuit is provided having at least one subtractor coupled to each redundant fuse set for subtracting a predetermined value from a known...
US-6,381,182 Combined tracking of WLL and VPP low threshold voltage in DRAM array
In generating first and second voltages (VPP and WLL) for respectively activating and deactivating transistors of a DRAM array that transfer charge to cells of...
US-6,381,181 Timing independent current comparison and self-latching data circuit
The self-latching data circuit reads data from a pair of memory cells and latches the read data in response to a single transition of an enable signal. The...
US-6,381,180 Distributed write data drivers for burst access memories
An integrated circuit memory device is designed to perform high speed data write cycles. An address strobe signal is used to latch a first address. During a...
US-6,381,179 Using a negative gate erase to increase the cycling endurance of a non-volatile memory cell with an...
An erase operation is performed on a non-volatile memory cell with an oxide-nitride-oxide structure by using an initial negative gate erase voltage to improve...
US-6,381,178 Non-volatile semiconductor memory device and method of rewriting data stored in non-volatile semiconductor...
There is provided a non-volatile semiconductor memory device, including (a) a first gate insulating film formed on a channel region of a semiconductor substrate,...
US-6,381,177 Method for controlled soft programming of non-volatile memory cells, in particular of the flash EEPROM and...
A method for controlled soft programming of a plurality of non-volatile memory cells, having bulk terminals connected to one another and to a common bulk line....
US-6,381,176 Method of driving remapping in flash memory and flash memory architecture suitable therefor
A method of driving remapping in a flash memory, which is capable of writing the status of a block and a unit by reducing the number of partial write cycles as...
US-6,381,175 Method and system for validating flash memory
A method for validating flash memory includes selecting for execution and executing, from a plurality of setup procedures available for the memory, a memory...
US-6,381,174 Non-volatile memory device with redundant columns
A non-volatile memory device includes an array of erasable blocks of non-volatile memory cells. At least one of the blocks has at least one redundant column. A...
US-6,381,173 Serial-flash, EPROM, EEPROM and flash EEPROM nonvolatile memory in AMG configuration
A serial-flash, EPROM, EEPROM, or flash EEPROM nonvolatile memory in AMG configuration includes a byte enable transistor having an input terminal, connected to a...
US-6,381,172 Memory apparatus including programmable non-volatile multi-bit memory cell, and apparatus and method for...
Memory states of a multi-bit memory cell are demarcated by generating read reference signals having levels that constitute boundaries of the memory states. The...
US-6,381,171 Magnetic element, magnetic read head, magnetic storage device, magnetic memory device
The present invention provides a spin-dependent tunneling effect element expectable to offer the spin accumulation effect at room temperature while also...
US-6,381,170 Ultra high density, non-volatile ferromagnetic random access memory
A random access memory element utilizes giant magnetoresistance. The element includes at least one pair of ferromagnetic layers sandwiching a nonmagnetic...
US-6,381,169 High density non-volatile memory device
This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory...
US-6,381,168 Circuits and methods for a memory cell with a trench plate trench capacitor and a vertical bipolar read device
A memory device is described which has an n-channel field effect transistor coupled between a memory cell and a data communication line. An NPN bipolar junction...
US-6,381,167 Semiconductor memory device including plurality of global data lines in parallel arrangement with low parasitic...
A read data line pair is arranged for every four memory cell columns. Column selection in data reading is carried out by four sub read source lines. A write data...
US-6,381,166 Semiconductor memory device having variable pitch array
A memory cell array (300) is disclosed having variable pitch word lines and bit lines. The word lines include central word lines (302a) having a first pitch, and...
US-6,381,165 Semiconductor memory device having storage node electrodes offset from each other
A semiconductor memory device that is capable of reducing the probability of a bridge being generated between storage node electrodes, and a mask pattern for...
US-6,381,164 Low profile, high density memory system
The present invention provides a low profile, high density electronic package for high speed, high performance semiconductors, such as memory devices. It...
US-6,381,163 Methods and apparatus for reading a CAM cell using boosted and regulated gate voltage
A memory device with a CAM cell and a read circuit are disclosed for reading a CAM cell using a boosted CAM gate voltage. The CAM read circuit comprises a...
US-6,381,162 Circuitry and method for controlling current surge on rails of parallel-pulldown-match-detect-type content...
A content addressable memory system has an array of CAM cells. Each row of the array has a match line coupled to a match line pull device. The match line pull...
US-6,381,161 Low-inductance circuit arrangement
The invention relates to a circuit with low parasitic inductances, reduced current flow paths, and reduced current-circumfusion. The circuit includes a ceramic...
US-6,381,160 Converter comprising resonant circuit elements
The invention relates to a converter comprising switching elements for chopping a direct voltage, in which turn-on phases of the switching elements alternate...
US-6,381,159 Inductor current synthesizer for switching power supplies
A circuit and method for sensing the inductor current flowing to a load from a switching power supply without using a sense resistor in the path of the inductor...
US-6,381,158 System and method for monitoring DC link capacitance in three level inverters
A signal is injected into a neutral point regulator of an inverter drive. The response to that injected signal is monitored as an indication of the capacitance...
US-6,381,157 Independent load sharing between parallel inverter units in an AC power system
For independent load sharing of current harmonics between parallel inverter units (1a, 1b, 1c) in an AC power system without intra-unit control signal ...
US-6,381,156 Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power...
It is an object of the present invention to provide an uninterruptible duplexed power supply system that is highly reliable and has excellent durability, with...
US-6,381,155 Method for clusterized power sharing conversion and regulation of the primary power source within a converting...
A method for clusterized power sharing conversion and regulation of the primary source power within the power converting and regulating supplies includes...
US-6,381,154 PWM nonlinear controller with a single cycle response and a non resettable integrator
A single-cycle response pulse width modulator comprising a single error integrating amplifier. The error integrator output is compared to zero to set a...
US-6,381,153 Method and apparatus of EMI filtering that eliminates the need for an inductor
An EMI filter for use with a motor driven blower connectable to an inflatable portion of a patient support powered by two supply lines includes a blower ground...
US-6,381,152 Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing...
A power supply apparatus includes a semiconductor switching device for outputting power and a control circuit for controlling the on/off operation of the...
US-6,381,151 High efficiency switching controller
A high efficiency switching controller for use in a switching power supply (SPS) includes a current control device coupled to a voltage source of the SPS and a...
US-6,381,150 Isolated dual converter having primary side internal feedback for output regulation
The present invention comprises an isolated dual power supply having an internal feedback loop. The dual power supply comprises a modulated switched power...
US-6,381,149 Cardguide retainer
A printed circuit board retainer. The printed circuit board retainer directs the movement of a printed circuit board during installation into an enclosure. In a...
US-6,381,148 Dual processor retention assembly
A processor retention assembly is disclosed. An embodiment of the processor retention assembly includes a first dual processor retention module and a second dual...
US-6,381,147 Card guide including air deflector means
A card guide which optimizes the flow of forced cooling air, provides for self alignment to a host motherboard and provides for integrated ESD hazard mitigation,...
US-6,381,146 Module removal system
The invention includes a latch assembly movably mounted on a module. The module is removably supportably on a chassis, and movement of the latch assembly with...
US-6,381,145 Computer enclosure incorporating a catch
A computer enclosure includes a chassis (60) and a hood (10) attached to the chassis. The chassis includes a rear panel (90) defining a slot (91) and a pair of...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | Next →