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7598537 |
Semiconductor device
A semiconductor device comprises one or two semiconductor chips, each including an input circuit having a wiring ( 3 ) for connecting an input pad ( 2 ) to an inner circuit, a first electrostatic...
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7592666 |
Semiconductor memory
A semiconductor memory having an electrically writable/erasable memory cell includes a first gate insulating layer made from a compound containing silicon and oxygen; a first charge-storage layer...
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7577025 |
Semiconductor memory device comprising floating body memory cells and related methods of operation
A semiconductor device comprising floating body memory cells performs read and write operations by selectively connecting bit lines and inverted bit lines to sense bit lines and inverted sense bit...
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7577013 |
Storage units and register file using the same
A storage unit capable of retaining data during sleep mode. The storage unit includes a first latch composed of first and second inverters and a second latch composed of the first inverter and a...
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7477541 |
Memory elements and methods of using the same
In a first aspect, a first apparatus is provided. The first apparatus is a memory element that includes (1) one or more MOSFETs each including a dielectric material having a dielectric constant of...
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7450416 |
Utilization of memory-diode which may have each of a plurality of different memory states
The present invention is a method of undertaking a procedure on a memory-diode, wherein a memory-diode is provided which is programmable so as to have each of a plurality of different threshold...
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7432157 |
Method of fabricating flash memory
Flash memory and methods of fabricating flash memory are disclosed. A disclosed method comprises: forming a first floating gate; and extending the first floating gate by forming a second floating...
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7402862 |
Multi-bit non-volatile memory device having a dual-gate and method of manufacturing the same, and method of multi-bit cell operation
The present invention relates to a multi-bit non-volatile memory device having a dual gate employing local charge trap and method of manufacturing the same, and an operating method for a multi-bit...
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7391640 |
2-transistor floating-body dram
A dynamic random access memory includes a cell having a circuit between a floating-body transistor and a bit line. Activation of the circuit is controlled to provide isolation between the floating...
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7348621 |
Non-volatile memory cells
A non-volatile memory cell and method of fabrication are provided. The non-volatile memory cell includes a substrate of a first conductivity type, a first dopant region of a second conductivity...
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7342842 |
Data storage device and refreshing method for use with such device
A data storage device such as a DRAM memory having a plurality of data storage cells 10 is disclosed. Each data storage cell 10 has a physical parameter which varies with time and represents...
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7274587 |
Semiconductor memory element and semiconductor memory device
A semiconductor memory element that stores data as a resistance difference. The memory element comprises a MIS transistor, a two-terminal variable resistor element, and a fixed resistor element....
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7271010 |
Nonvolatile magnetic memory device and manufacturing method thereof
An TMR-type MRAM comprising a transistor for selection; a first connecting hole; a first wiring (write-in word line); a second insulating interlayer covering a first insulating interlayer and the...
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7242610 |
Ultraviolet erasable semiconductor memory device
Each memory cell of an EPROM contains two MOSFETs and a data of each memory cell is read out by detecting a current difference between the two MOSFETs by using a differential amplifier. In such...
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7236394 |
Transistor-free random access memory
A memory core includes a bit line and a word line. The memory core also includes a core cell in electrical communication with the word line and the bit line. The core cell includes a threshold...
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7136301 |
Semiconductor memory device and driving method thereof
First active regions and second active regions intersecting the first active regions at a right angle are defined on the surface of a semiconductor substrate, and diffusion regions are formed in...
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7123509 |
Floating body cell memory and reading and writing circuit thereof
A semiconductor integrated circuit device is provided, which includes a semiconductor layer formed via an embedded insulation film on a substrate and an FBC (Floating Body Cell) which stores data...
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7092273 |
Low voltage non-volatile memory transistor
A p-channel non-volatile memory (NVM) transistor is programmed by shifting the threshold voltage of the transistor. The threshold voltage is shifted by introducing a programming current to the gate...
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7072205 |
Floating-body DRAM with two-phase write
A row of floating-body single transistor memory cells is written to in two phases.
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7027327 |
Non-volatile memory
A nonvolatile memory includes at least a first electrode ( 71 ) and a second electrode ( 72 ) provided on a substrate, the first and second electrodes being separated from each other, and a...
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6909632 |
Multiple modes of operation in a cross point array
Multiple modes of operation in a cross point array. The invention is a cross point array that uses a read voltage across a conductive array line pair during a read mode. The read voltage produces a...
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6834008 |
Cross point memory array using multiple modes of operation
Cross point memory array using multiple modes of operation. The invention is a cross point memory array that uses a read mode to determine the resistive state of a memory plug, a first write mode...
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6781883 |
Apparatus and method for margin testing single polysilicon EEPROM cells
Disclosed is a method and apparatus for evaluating margin voltages in single poly EEPROM cells. Briefly, the invention involves shifting the cell's threshold voltage higher, resulting in a...
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6664588 |
NROM cell with self-aligned programming and erasure areas
A memory cell has two diffusion areas in a substrate with a channel therebetween. The memory cell also includes a trapping dielectric layer at least over the channel, a gate at least above the...
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6614070 |
Semiconductor non-volatile memory device having a NAND cell structure
A NAND stack array ( 95′ ) is placed within a well formed on a semiconductor substrate and includes a series array of memory cell transistors ( 10 ) whose threshold voltages can be electrically...
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6552887 |
Voltage dependent capacitor configuration for higher soft error rate tolerance
A voltage dependent capacitor to provide soft error rate tolerance in an integrated circuit is disclosed. In one embodiment, a parallel n-p voltage dependent capacitor is used to protect a node...
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6552357 |
Semiconductor memory device having plate lines and precharge circuits
A dynamic semiconductor memory device includes memory cells each having a one-transistor/one-capacitor. The memory cells are arranged at their respective intersections of bit lines and word lines....
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6490218 |
Digital memory method and system for storing multiple bit digital data
A digital memory array includes memory cells having respective anti-fuse layers. Write signals that vary in at least one of current, voltage, and pulse length are applied to selected ones of the...
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6480426 |
Semiconductor integrated circuit device
A semiconductor integrated circuit device includes an integrated circuit provided in a semiconductor chip and setting information memory. The setting information memory stores operation/function...
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6459110 |
Semiconductor storage element
A memory cell array, in which a voltage that can reverse polarization is applied only to a memory cell that is an object of data writing. A semiconductor storage element is formed by a...
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6331724 |
Single transistor E2prom memory device with controlled erasing
A semiconductor memory cell device exhibiting superior cell reliability comprising a dual layer floating gate wherein the thin upper layer of the floating gate overlaps the edges of surrounding...
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6181608 |
Dual Vt SRAM cell with bitline leakage control
In some embodiments, the invention includes an integrated circuit including a bitline and a bitline#, wordlines, and memory cells. The memory cells each corresponding to one of the wordlines and...
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6178114 |
Sensing apparatus and method for fetching multi-level cell data
A reading circuit for a multibit memory cell in a memory array, the memory cell having a threshold gate voltage within a range of one of a first, second, third and fourth predetermined threshold...
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6108234 |
Semiconductor memory device capable of carrying out a read-out operation at a high speed
A semicomductive memory device has a memory cell connected to a word line and a digit line. The memory cell is for memorizing data of two bits in correspondence to first through fourth threshold...
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6061280 |
Data protection system for nonvolatile semiconductor memory device
An EEPROM chip includes a unit cell array. A plurality of word lines and bit lines are formed on the unit cell array. Unit cells are arranged at the intersections of these lines. Each unit cell is...
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5982673 |
Secondary sense amplifier with window discriminator for self-timed operation
A sensing system for sensing data from a data source and driving a pair of output lines in response thereto comprises: a primary sensing device operatively coupled to the data source for sensing...
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5973958 |
Interlaced storage and sense technique for flash multi-level devices
An interlaced storage method for storing data in multi-level flash memory cells so that data bits from multiple addresses are encoded and stored in a single flash memory cell, and a method for...
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5943272 |
Circuit for sensing memory having a plurality of threshold voltages
The circuit for sensing a memory having a plurality of threshold voltages is directed to using a technique for maintaining a characteristic curve of a voltages-matched circuit and combining a...
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5914895 |
Non-volatile random access memory and methods for making and configuring same
A memory cell includes non-volatile and volatile storage elements and is configured to dynamically alter threshold voltages of the non-volatile storage elements to store states of the volatile...
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5852575 |
Apparatus and method for reading multi-level data stored in a semiconductor memory
A semiconductor memory including memory cells, word lines, bit lines, a row decoder, column decoder, a voltage-changing circuit, a sense amplifier, and an output circuit. Each memory cell stores...
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5828616 |
Sensing scheme for flash memory with multilevel cells
Methods and apparatus for determining the state of a memory cell having more than two possible states are disclosed. For a first embodiment, the state of a flash cell having n states, where n is a...
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5815436 |
Multi-level nonvolatile semiconductor memory device having improved programming level and read/write multi-level data circuits
A nonvolatile semiconductor memory device includes a memory cell including a charge storage section for storing n-value data (n≥3). In this device, the charge storage section has discrete first...
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5814853 |
Sourceless floating gate memory device and method of storing data
A floating gate diode which can be used as a sourceless memory cell, and which may be arranged into an array of memory cells is disclosed. The floating gate diode comprises: a drain region formed...
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5773861 |
Single transistor E.sup.2 PROM memory device
A semiconductor memory cell device exhibiting superior cell reliability comprising a dual layer floating gate wherein the thin upper layer of the floating gate overlaps the edges of surrounding...
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5751646 |
Redundancy elements using thin film transistors (TFTS)
An embodiment of the present invention describes a redundancy repair circuit fabricated in a Static Random Access Memory (SRAM) semiconductor device, with the redundancy repair circuit comprising:...
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5723885 |
Semiconductor device including a ferroelectric film and control method thereof
A non-volatile semiconductor device can be obtained which is capable of enhancing integration level and performing accurate control of operations. A memory cell transistor of the semiconductor...
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5691934 |
Memory cell and method of operation thereof
An extremely compact dynamic memory cell (200) includes a capacitor (204) or any other suitable stored charge device, and a diode (208) such as a Zener diode, a pair of parallel, reverse-connected...
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5663922 |
Method for the anticipated reading of serial access memory, and memory pertaining thereto
A method and apparatus for reading a memory, such that the address decoding is started when the address bits have not yet all been received. All the information elements corresponding to the...
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5663903 |
Flat-cell read-only memory
The memory cells of a read-only memory are connected in parallel between adjacent bus-bit lines. The selection of tile sub-bit lines is through a selector logic decoder. The decoder has many rows...
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5652450 |
Nonvolatile semiconductor storage device
According to the present invention, a nonvolatile semiconductor storage device for applying to each word line either one of a selected voltage and a non-selected voltage, corresponding to a...
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