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7567453 Advanced multi-bit magnetic random access memory device  
An advanced multi-bit magnetic random access memory device and a method for writing to the advanced multi-bit magnetic random access memory device. The magnetic memory includes one or more...
7518919 Flash memory data correction and scrub techniques  
In order to maintain the integrity of data stored in a flash memory that are susceptible to being disturbed by operations in adjacent regions of the memory, disturb events cause the data to be...
7477567 Memory storage device with heating element  
A memory storage device is provided that includes a storage cell having a changeable magnetic region. The changeable magnetic region includes a material having a magnetization state that is...
7345945 Line driver circuit for a semiconductor memory device  
A semiconductor memory device having a word line driver circuit configured in stages. A plurality of sub word line driver circuits are connected, in parallel, to each main word line, and provide a...
7196955 Hardmasks for providing thermally assisted switching of magnetic memory elements  
An exemplary magnetic random access memory comprises a plurality of hardmasks, a plurality of magnetic memory elements each having been formed using a corresponding one of the hardmasks, and at...
7158397 Line drivers that fits within a specified line pitch  
Line drivers that fit within a specified line pitch. One method of placing line drivers completely underneath a cross point array requires splitting the line driver up so that a portion of the line...
7072207 Thin film magnetic memory device for writing data of a plurality of bits in parallel  
For writing K-bit write data in parallel (K is integer at least 2), bit lines each arranged for each memory cell columns and at least K current return lines are provided. K selected bit lines to...
7003622 Semiconductor memory  
A semiconductor memory includes a redundant RAM disposed independently of at least one regular RAM, the redundant RAM having redundant memory elements by which defective memory elements of the...
6975555 Magnetic random access memory using memory cells with rotated magnetic storage elements  
A magnetic random access memory circuit comprises a plurality of magnetic memory cells, each of the memory cells including a magnetic storage element having an easy axis and a hard axis associated...
6950369 Magnetic memory device capable of passing bidirectional currents through the bit lines  
A plurality of word lines (WL 1 ) are provided in parallel to one another and a plurality of bit lines (BL 1 ) are provided in parallel to one another, intersecting the word lines (WL 1 )...
6903982 Bit line segmenting in random access memories  
An integrated memory circuit and corresponding method for segmenting bit lines are provided, where the integrated memory circuit includes a sense amplifier, a layered bit line in signal...
6842831 Low latency buffer control system and method  
A memory controller (MC) includes a buffer control circuit (BCC) to enable/disable buffer coupled to a terminated bus. The BCC can detect transactions and speculatively enable the buffers before...
6807112 Mask programmable read only memory  
In view of the transistor off leakage increasing with device miniaturization, the invention provides a semiconductor integrated circuit capable of high-speed readout by eliminating the need for a...
6778432 Thin film magnetic memory device capable of stably writing/reading data and method of fabricating the same  
A thin film magnetic memory device includes a plurality of program cells each storing program data constituting information on a bit unit basis, each program cell having a magnetic storing part...
6778445 Pipeline nonvolatile memory device with multi-bit parallel read and write suitable for cache memory.  
Peripheral circuitry writes/reads input data and output data of L bits (L: integer of at least 2) that is input/output to/from a data node into/from first and second memory cell blocks that are...
6762952 Minimizing errors in a magnetoresistive solid-state storage device  
Exemplar embodiments are disclosed which allow errors in a magnetoresistive solid-state storage device, such as a magnetic random access memory (MRAM) device, to be minimized. An illustrative...
6750540 Magnetic random access memory using schottky diode  
A magnetic random access memory (MRAM) using a Schottky diode is disclosed. In order to achieve high integration of the memory device, a word line is formed on a semiconductor substrate without...
6674663 Nonvolatile storage device and operating method thereof  
A nonvolatile storage device and method of operation capable of preventing opens in a word line and/or bit line that may result from electromigration is disclosed. A nonvolatile storage device...
6667899 Magnetic memory and method of bi-directional write current programming  
A magnetic memory ( 400 ) is programmed by selectively conducting current in opposite directions in both word and bit lines to reduce electromigration effects in word lines and bit lines. Various...
6639823 Ferroelectric memory device and method of driving the same  
A ferroelectric memory device includes a memory cell array in which a plurality of memory cells having at least one ferroelectric capacitor are arranged. Three or more values of data (Pr( 0 ), P 1...
6618317 Write system architecture of magnetic memory array divided into a plurality of memory blocks  
During data write, a first driver electrically connects a fist shared node to one of first and second voltages in accordance with write data. A second driver electrically connects a second shared...
6541792 Memory device having dual tunnel junction memory cells  
A memory device includes memory cells having two tunnel junctions in series. In order to program a selected memory cell, a first tunnel junction in the selected memory cell is blown. Blowing the...
6317359 Non-volatile magnetic circuit  
A device and method for sensing the status of a non-volatile magnetic latch. A cross-coupled inverter pair latch cell is employed for the data sensing. During the `Sense` cycles, the inputs to the...
6199025 Semiconductor device having selectable device type and methods of testing device operation  
A semiconductor device includes a device-type switching circuit which determines selection signals A based on fuse-cut conditions in a first mode, and determines selection signals based on control...
5793697 Read circuit for magnetic memory array using magnetic tunnel junction devices  
A sensing circuit reads the magnetic state of individual memory cells making up a nonvolatile magnetic random access memory (MRAM) array. Each memory cell is a magnetic tunnel junction (MTJ)...
5579267 Semiconductor pipeline memory device eliminating time loss due to difference between pipeline stages from data access  
A semiconductor pipeline memory device has a controller for producing first, second and third timing clock signals for transferring a column address and a read-out data bit through first, second...
5546348 Semiconductor disc storage  
A semiconductor storage device is connected to at least one magnetic storage device. The input and output of data is made between the semiconductor storage device and an information processing...
3846769 MAGNETIC DATA STORAGE ARRANGEMENT HAVING SEQUENTIAL ADDRESSING OF ROWS  
A magnetic data storage arrangement of the kind including a plurality of current operated bistable magnetic elements arranged in rows and columns such that a data word may be stored in a selected...
3774181 CURRENT DRIVER SYSTEM FOR A CORE MEMORY  
A system for supplying a current to a core memory stack having substantial inductance including a transformer having a selectively variable primary/secondary turns ratio. The variable turns ratio...
3680048 CORE DRIVE AND BIASING SYSTEM  
A read/write drive circuit for a circuit having a driver and a plurality of read/write circuit units connected in parallel thereto, wherein when one desired circuit unit is driven with a potential...
3675221 MAGNETIC CORE MEMORY LINE SINK VOLTAGE STABILIZATION SYSTEM  
A magnetic core memory line sink voltage stabilization system is disclosed using a current or voltage source to charge a group of selected lines. The sink ends through which the lines are charged...
3671949 METHOD AND APPARATUS FOR DRIVING MEMORY CORE SELECTION LINES  
Apparatus for supplying selection lines of a magnetic core memory with drive currents of uniform amplitude and configuration. The apparatus includes a pair of line selection switches at opposite...
3621371 CURRENT PULSE STABILIZER FOR VARIABLE LOADS  
Amplitude of a fast-rise pulse current is stabilized under varying load conditions by a transformer having a first winding connected in series between a pulse voltage source and a variable load. A...
3603938 DRIVE SYSTEM FOR A MEMORY ARRAY  
A drive system for a magnetic core array is disclosed which employs transistor switches for selectively applying the energizing currents to the drive lines. The transistor switches are in the form...
3587065 CIRCUIT ARRANGEMENT FOR GENERATING STEEP FLANKED PULSES TO A MAGNETIC MEMORY  
A circuit arrangement for generating current impulses with very steep flanks, utilizing a current superimposed on that of a current impulse source connected to a time-dependently controlled voltage...
3587064 SELECTION CIRCUIT FOR MEMORY LINES  
A selection circuit is disclosed for selectively sending pulses of opposite polarity to a two-terminal load element selected from a multiplicity of such elements and which circuit is particularly...
3579209 HIGH SPEED CORE MEMORY SYSTEM  
A magnetic core memory system is disclosed comprising a rectangular array of magnetic cores. A first plurality of independent wires thread cores along one axis and a second plurality of dependent...
3568173 MEMORY STROAGE ELEMENT DRIVE CIRCUIT  
A memory core wire drive circuit is disclosed in which one wire end is normally biased to ground but controlled through a pair of transistors each connecting through series resistors to sources of...
3551904 MEMORY SYSTEM  
3550100 INFORMATION STORAGE CONTROL APPARATUS FOR A MAGNETIC CORE MEMORY  
3544978 METHOD AND APPARATUS FOR DRIVING MEMORY CORE SELECTION LINES  
3537081 ARRANGEMENT FOR ATTENUATION OF THE OVERSHOOT OF CURRENT PULSES IN CORE MEMORIES  
3532816 TRANSDUCER DRIVER CIRCUIT CONTROLLED BY SATURATING CORES  
3524174 SEARCH MEMORY  
3500351 MAGNETIC RECORDING MEMORY  
3488643 NON-RETURN TO ZERO DRIVING METHOD FOR MAGNETIC MEMORY DEVICES  
3488641 COINCIDENT CURRENT READ ONLY MEMORY USING LINEAR MAGNETIC ELEMENTS  
3487383 COINCIDENT CURRENT DESTRUCTIVE READ-OUT MAGNETIC MEMORY SYSTEM  
3479656 COINCIDENT CURRENT MEMORY APPARATUS AND METHOD  
3474419 WORD DRIVE SYSTEM FOR A MAGNETIC CORE MEMORY  
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