Patents
Patents for G11C 14 - Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down (1,872)
12/2001
12/11/2001US6330179 Semiconductor memory device and method of manufacturing the same
12/04/2001US6327172 Ferroelectric non-volatile memory device
11/2001
11/28/2001CN1324486A Semiconductor device
11/27/2001US6324104 Semiconductor integrated circuit device
11/20/2001US6321360 System including a ferroelectric memory
11/20/2001US6320783 Nonvolatile ferroelectric memory device and circuit for driving the same
11/20/2001US6319731 Method for manufacturing a non-volatile memory device
11/15/2001US20010040815 Ferroelectric memory device and method for operating ferroelectric memory device
11/15/2001US20010040814 Semiconductor memory device
11/14/2001EP1154436A2 Semiconductor memory device
11/13/2001US6317380 Circuit for driving nonvolatile ferroelectric memory
11/13/2001US6317356 Configuration for self-referencing ferroelectric memory cells
11/13/2001US6317355 Nonvolatile ferroelectric memory device with column redundancy circuit and method for relieving failed address thereof
11/06/2001US6314018 Integrated memory with at least two plate segments
10/2001
10/31/2001CN1319847A Integrated memory with storage and reference unit
10/30/2001US6310812 Integrated memory having memory cells and reference cells
10/23/2001US6306704 Nonvolatile ferroelectric memory
10/10/2001EP1143457A2 Semiconductor memory device and testing system and testing method
10/09/2001US6301145 Ferroelectric memory and method for accessing same
10/04/2001US20010026491 Semiconductor memory configuration with a refresh logic circuit, and method of refreshing a memory content of the semiconductor memory configuration
10/03/2001CN1315731A Storage with regenerative logic circuit and method for regenerating content stored therein
10/02/2001US6297986 Ferroelectric random access memory
10/02/2001US6297985 Cell block structure of nonvolatile ferroelectric memory
10/02/2001CA2019310C Non-volatile ram bit cell
09/2001
09/26/2001EP0847059B1 Semiconductor memory
09/25/2001US6295223 Ferroelectric random access memory with a memory with a stable sensing margin
09/20/2001US20010022741 Ferroelectric memory
09/19/2001CN1313603A Data reading out/recording method and driving method of semiconductor memory device
09/18/2001US6292386 Integrated memory having cells of the two-transistor/two-capacitor type
09/18/2001US6292385 Ferroelectric random access memory
09/13/2001US20010021120 Ferroelectric memory
09/12/2001EP1132922A1 Ferroelectric memory
09/12/2001EP1132921A1 Methods of reading and writing data from/on a semiconductor memory device, and method for driving the device
09/11/2001US6288961 Semiconductor memory device for reading charges stored in capacitor in memory cell and data reading method thereof
09/11/2001US6288950 Semiconductor memory device capable of generating offset voltage independent of bit line voltage
09/11/2001US6288939 Circuit configuration for monitoring states of a memory device
09/11/2001US6288931 Ferroelectric memory device having cell groups containing capacitors commonly coupled to transistor
09/11/2001US6288930 Semiconductor memory device
09/06/2001US20010019498 Ferroelectric memory capable of suppressing deterioration of dummy cells and drive method therefor
09/04/2001US6285586 Nonvolatile static random access memory
09/04/2001US6285577 Non-volatile memory using ferroelectric capacitor
09/04/2001US6285576 Nonvolatile ferroelectric memory
09/04/2001US6285575 Shadow RAM cell and non-volatile memory device employing ferroelectric capacitor and control method therefor
08/2001
08/28/2001US6282118 Nonvolatile semiconductor memory device
08/21/2001US6278630 Ferroelectric memory device with a high-speed read circuit
08/07/2001US6272037 Ferroelectric memory device and method for generating reference level signal therefor
08/02/2001DE10002374A1 Halbleiter-Speicheranordnung mit Auffrischungslogikschaltung sowie Verfahren zum Auffrischen des Speicherinhaltes einer Halbleiter-Speicheranordnung A semiconductor memory device with refresh logic circuit and method of refreshing the memory content of a semiconductor memory arrangement
08/01/2001EP1120791A1 Semiconductor device
07/2001
07/31/2001US6269027 Non-volatile storage latch
07/31/2001US6269019 Ferroelectric memory device capable of adjusting bit line capacitance
07/25/2001EP1119004A1 Semiconductor memory with refresh controller and method for refreshing the content of a semiconductor memory
07/24/2001US6266272 Partially non-volatile dynamic random access memory formed by a plurality of single transistor cells used as DRAM cells and EPROM cells
07/19/2001DE10060665A1 Nichtflüchtiger ferroelektrischer Speicher und Verfahren zu dessen Herstellung A non-volatile ferroelectric memory and method for its production
07/17/2001US6262910 Semiconductor memory device having a ferroelectric memory capacitor
07/12/2001US20010007531 Circuit for driving nonvolatile ferroelectric memory
07/11/2001CN1303100A Integrated storage possessing bipolar transister/double capacitor type storage unit
07/11/2001CN1303099A Ferroelectric storage unit self calibrating device
07/10/2001US6259641 Integrated memory having sense amplifiers disposed on opposite sides of a cell array
07/05/2001US20010006473 Nonvolatile ferroelectric memory device and method for fabricating the same
06/2001
06/13/2001EP0675501B1 Non-volatile memory element with double programmable cell and corresponding reading circuit for redundancy circuits
06/12/2001US6246616 Memory device having redundancy cells
06/12/2001US6246602 Ferroelectric storage device
05/2001
05/31/2001WO2001039195A1 Spin dependent tunneling memory
05/31/2001DE19956069A1 Integrierter Speicher mit Speicherzellen und Referenzzellen Integrated memory having memory cells and reference cells
05/29/2001US6240013 Data holding apparatus
05/29/2001US6240007 Nonvolatile ferroelectric memory device having global and local bitlines and split workline driver
05/23/2001EP1102168A2 Integrated memory with memory cells and reference cells
05/23/2001DE10053962A1 Non-volatile ferroelectric memory has two sub-word lines connected to gates of respective transistors and connected to shunt lines
05/23/2001DE10043191A1 Non-volatile ferroelectric memory has column redundancy selection circuit that omits failed column address of main cell array block by replacing column with column of redundancy cell array block
05/22/2001US6236607 Integrated memory having a reference potential and operating method for such a memory
05/15/2001US6233170 Sense amplifier circuit, memory device using the circuit and method for reading the memory device
05/10/2001DE19952311A1 Integrated memory with 2-transistor, 2 capacitor memory cells of different design than conventional ones, enabling pre-charging potential selection for 2 bit lines connected to memory cell
05/08/2001US6229730 Ferroelectric memory device retaining ROM data
05/08/2001US6229728 Ferroelectric memory and method of testing the same
05/03/2001US20010000688 Memory structure in ferroelectric nonvolatile memory and readout method therefor
05/02/2001CN1065349C Oscillating circuit and non-volatile semiconductor memory
04/2001
04/26/2001DE19950581A1 Anordnung zur Selbstreferenzierung von ferroelektrischen Speicherzellen Arrangement for self-referencing ferroelectric memory cells
04/26/2001DE10046051A1 Non-volatile ferroelectric memory e.g. FRAM, DRAM, has main word line driver which outputs control signals to activate any one local word line driver
04/26/2001DE10043926A1 Non-volatile ferroelectric memory e.g. dynamic random access memory has row redundancy drive circuit to output inactive signal to main word-line driver, if error occurs in selected row address in main cell region
04/25/2001EP1094468A1 A self-reference read scheme for ferroelectric memory cells
04/04/2001EP1089341A2 Non-volatile memory
04/04/2001EP1089339A2 Ferroelectric capacitor and ferrroelectric memory
03/2001
03/28/2001EP1087405A1 Semiconductor memory device capable of generating offset voltage independent of bit line voltage
03/28/2001EP1087403A1 Ferroelectric memory device
03/27/2001US6208550 Ferroelectric memory device and method for operating thereof
03/22/2001DE19944036A1 Integrierter Speicher mit wenigstens zwei Plattensegmenten Integrated memory having at least two plate segments
03/22/2001DE10042388A1 Ferroelectric random-access memory has equalising device for equalising adjacent bit lines, pre-loading setting device for bit line pre-loading level and reference level generation device for read amplifier
03/21/2001EP1085523A1 Integrated memory with memory cells and reference cells
03/21/2001EP1085517A2 Integrated memory circuit with at least two plate segments
03/21/2001CN1288237A Integrated storage unit having at least two slice frayments
03/21/2001CN1288236A Integrated storage unit having storage cells and reference unit
03/15/2001DE10038228A1 Cellblock structure of non-volatile ferroelectric memory (FRAM), includes capacitor of ferroelectric material having high residual polarization for retaining data after removal of electric field
03/13/2001US6201727 Nonvolatile ferroelectric random access memory device with segmented plate line scheme and a method for driving a plate line segment therein
03/07/2001EP1081713A1 Ferroelectric memory device with internally lowered supply voltage
03/06/2001US6198654 Ferroelectric memory device and method of reading data therefrom
03/06/2001US6198653 Ferroelectric memory
03/06/2001US6198651 Ferroelectric memory devices which utilize boosted plate line voltages to improve reading reliability and methods of operating same
03/01/2001DE10037706A1 Circuit for operating non-volatile ferroelectric memory has two local word line driver units with local X-decoder unit
02/2001
02/27/2001US6195281 Apparatus for generating reference voltage in ferroelectric memory device
02/22/2001DE10032311A1 Non-volatile ferroelectric memory comprises partial word lines, bit lines that cut the partial word lines, source/drain impurity regions formed on both sides of the word lines, and ferroelectric capacitors
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