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6577541 Semiconductor integrated circuit device and control method therefor  
A function information storage section of each of a plurality of IPs of a device stores a plurality of sets of correlations between the working voltage V and the processing time T required when...
6552934 Apparatus and method for programming voltage protection in a non-volatile memory system  
A memory system including an array of memory cells, a programming voltage node for receiving a first programming voltage, a memory controller which controls memory programming operations on the...
6545923 Negatively biased word line scheme for a semiconductor memory device  
A memory device utilizing a negatively biased word line scheme diverts word line discharge current from the negative voltage source during a precharge operation, thereby reducing voltage...
6545931 Semiconductor memory device with improved flexible redundancy scheme  
A spare memory array having spare memory cells common to a plurality of normal sub-arrays having a plurality of normal memory cells is provided. A spare line in the spare array can replace a...
6538468 Method and apparatus for multiple boot-up functionalities for a programmable logic device (PLD)  
According to one embodiment, a programmable logic assembly ( 200 ) may include a nonvolatile memory devices ( 202 - 0 and 202 - 1 ) coupled to an associated volatile programmable logic device...
6535421 Nonvolatile semiconductor memory having a voltage selection circuit  
A nonvolatile semiconductor memory which includes a voltage supply terminal, a multiplicity of memory cells, a voltage selection circuit, and a voltage dropping circuit. The terminal receives a...
6525972 Semiconductor memory device with boosting control circuit and control method  
A semiconductor memory device ( 50 ) having a boosted potential generation circuit is provided. The boosted potential generation circuit may provide charge to a boosted potential node when a word...
6515919 Radio frequency powered voltage pump for programming EEPROM  
There is provided an RF-powered, RFID transponder operable in either a high frequency or low frequency band. The transponder utilizes an EEPROM which may be programmed. The high voltage required...
6510090 Semiconductor memory device  
In the semiconductor memory device of the present invention, a page buffer holds read data read from a memory cell selected from among a plurality of memory cell blocks, and outputs the held data...
6498404 Data carrier with obscured power consumption  
In order to prevent the retrieval of data via the measurement of the power consumption in a data carrier provided with a data processing device, it is proposed to connect a load circuit to the...
6496439 Content addressable memory (CAM) with battery back-up and low current, stand-by mode controller  
A content addressable memory (CAM) includes a voltage power supply input and an enable input. An enable control circuit is connected to the enable input, and operates to compare an external voltage...
6493257 CMOS state saving latch  
A state saving circuit and method for using the same. The circuit comprises a first latch powered by an uninterrupted power supply, wherein the first latch includes a first pair of cross coupled...
6490216 Selective memory refresh circuit and method  
A selective memory refresh circuit for refreshing a memory cell array. The memory cell array has a plurality of word lines connected to a plurality of word line selection circuits for determining...
6457108 Method of operating a system-on-a-chip including entering a standby state in a non-volatile memory while operating the system-on-a-chip from a volatile memory  
A method of operating a system-on-a-chip having a logic circuit and a thin-oxide non-volatile memory embedded or located on a single chip. In this method, the contents of the non-volatile memory...
6452283 Semiconductor chip with surface cover  
A semiconductor chip having circuits which are produced in at least one layer of a semiconductor substrate and are arranged in at least one group. The semiconductor chip has at least one conductive...
6396762 Electronic apparatus storing data in a volatile memory and method for protecting data stored therein  
The present invention is provided with a switch circuit which can turn on/off electric power supply from a battery. Further, a CPU transfers and evacuates specific data stored in a DRAM when...
6392944 Semiconductor memory device capable of performing stable sensing operation even under low power supply voltage environment  
A semiconductor memory device includes two power feed lines. An overdriving scheme is applied to one of the power feed lines in the sensing amplifying operation, and no overdriving scheme is...
6385120 Power-off state storage apparatus and method  
A circuit for power-off state storage in an electronic device having a positive power supply includes a storage circuit comprising first and second storage capacitors and a write circuit having a...
6366513 Reduction of noise in memory integrated circuits with dedicate power supply bus and ground bus for sense amplifiers  
A memory integrated circuit ( 100 ) includes a core cell array ( 102 ) having a plurality of core cells for storing data in one of a plurality of states, a plurality of power supply buses ( 140,...
6366521 Protection after brown out in a synchronous memory  
A synchronous flash memory includes an array of non-volatile memory cells. The memory device has a package configuration that is compatible with an SDRAM. The memory device can detect a brown-out...
6353575 Echo clock generating circuit of semiconductor memory device and method thereof  
A semiconductor memory device for providing data together with an echo clock as an indicating signal representing a time for providing or presenting data in an electronic system is described. The...
6351426 DRAM having a power supply voltage lowering circuit  
A DRAM includes first to third voltage lowering circuits for lowering a power supply voltage supplied from the exterior and supplying the lowered voltage to an internal circuit. The first voltage...
6336174 Hardware assisted memory backup system and method  
A hardware assisted memory module (HAMM) is coupled to a conventional computer system. During normal operation of the computer system, the HAMM behaves like a conventional memory module. The HAMM,...
6336162 DRAM access method and a DRAM controller using the same  
A method for accessing to a DRAM and a DRAM controller of the same, which enables a high speed DRAM access and a DRAM controller. Provided is an accessing method to a DRAM, which comprises the...
6335895 Semiconductor storage device and system using the same  
The present invention relates to a semiconductor storage device in which data retention current consumption can be reduced. This device comprises memory cells, an internal power supply circuit for...
6334719 Stencil printer having a power saving mode  
A stencil printer for printing an image on a paper or similar recording medium with a master wrapped around its ink drum is disclosed. The stencil printer can be held in a power save mode for...
6333662 Latch type level shift circuit  
A latch type level shift circuit includes an internal power supply potential generating circuit for generating first and second internal power supply potentials; a latch circuit having first and...
6307802 Memory device with distributed voltage regulation system  
A memory device includes a memory cell array, control circuits, and a voltage regulation system. The voltage regulation system includes an array power bus distributing an array supply voltage to...
6301184 Semiconductor integrated circuit device having an improved operation control for a dynamic memory  
A DRAM module is applied to the system LSI which is provided with a standby mode for suppressing the whole operation thereof and an operation standby mode which permits at least the DRAM module to...
6284406 IC card with thin battery  
An IC card comprising an electronic device and a battery within a plastic card for electrically energizing the electronic device. The battery is comprised of a monolithic electrochemical cell...
6282612 Removable memory device for portable terminal device  
A removable memory device includes a memory for storing individual information therein, and a memory manager for protecting the memory when the removable memory device is not connected to a...
6269032 Electronic control unit having voltage responsive data writing  
An electronic control unit is provided with a microcomputer, a power supply circuit and a filter circuit. The microcomputer comprises a CPU, a ROM, a RAM and a SRAM. A voltage-drop detecting...
6256252 Memory-embedded semiconductor integrated circuit device having low power consumption  
In a sleep mode, data held in a logic circuit is saved to a memory circuit under the control of a transfer control circuit, and thereafter supply of an operation power supply voltage to the logic...
6246627 Semiconductor device capable of cutting off a leakage current in a defective array section and method thereof  
The semiconductor device of this invention includes: an array section including a plurality of circuit blocks; a leakage current cutoff section for cutting off a leakage current occurring in at...
6246603 Circuit and method for substantially preventing imprint effects in a ferroelectric memory device  
A method and circuit are disclosed for maintaining stored data within a ferroelectric memory device. The circuit includes a first circuit for selectively logically inverting the data in the...
6240037 Dynamic random access memory device having booster against battery exhaustion  
In order to prevent data bits stored in the memory cells of a dynamic random access memory device from destruction, a booster circuit is coupled between a power supply pin and an internal power...
6191990 Semiconductor integrated circuit device having stabilizing capacitors connected between power lines of main amplifiers  
A semiconductor integrated circuit device has a memory array which includes amplifying MOSFETs of sense amplifiers which amplify small voltages read out of dynamic memory cells onto bit lines and...
6181630 Method of stabilizing data stored in volatile memory  
A system for preventing data loss when volatile memory is used to store data either internal or external to a host computer. In the preferred embodiment, the system provides uninterrupted power to...
6166960 Method, system and apparatus for determining that a programming voltage level is sufficient for reliably programming an eeprom  
An electronic system, comprising a digital processor and an EEPROM, has circuit logic and program software or firmware for determining if a programming voltage level is sufficient for reliably...
6163480 Memory with high integrity memory cells  
A memory system for a digital computer includes a non-volatile random access memory for storing past and present values of state variables is immune from electromagnetic transients and other...
6157581 Semiconductor memory having a restore voltage control circuit  
According to disclosed embodiments, a semiconductor memory (100) can include a restore voltage control circuit (106) that can supply a first internal voltage V INT that is lower than an external...
6157589 Dynamic semiconductor memory device and method for initializing a dynamic semiconductor memory device  
A dynamic semiconductor memory device of a random access type has an initialization circuit that controls the switching-on operation of the semiconductor memory device and of its circuit...
6151541 Control device for motor vehicle  
A control device for a motor vehicle includes a central processing unit that is coupled to a non-volatile memory, a volatile memory and a key switch. The control device ensures transmission of data...
6144219 System and method for isolation of varying-power backed memory controller inputs  
An isolation mechanism serves to isolate digital signal processor outputs from a dynamic random access memory controller upon the occurrence of a low power condition. The isolation prevents...
6141223 Battery assembly for supplying power to an integrated circuit  
A battery assembly is provided for holding a battery and for supplying power to an integrated circuit. When the battery is removed from the battery assembly, the battery assembly provides a LOW...
6115312 Programmable logic device memory cell circuit  
A memory cell circuit for a programmable logic device is provided that allows groups of memory cells to be powered down when one or more of the memory cells in a group is defective. Each memory...
6115313 Method for saving data in the event of unwanted interruptions in the programming cycle of a nonvolatile memory, and a nonvolatile memory  
A method for saving and restoring data in the event of unwanted interruption of programming, the control logic unit of the memory controls writing of the data that would otherwise be lost and its...
6115822 Power distribution unit for detecting system status  
A power distribution unit that can detect system status includes: an optional line filter, a live power source for driving a I2C device, a power sensor which monitors system power status in...
6105138 Method and apparatus for controlling electric source in information processing system  
A technique allowing a terminal device located in a remote place to protect data existing on an information processing system and then control an electric source of the information processing...
6104660 Battery module and battery managing system  
A battery module comprises at least one battery, and one or more memory sections for memorizing management information of the at least one battery at cutting operation of connection, when a...