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)
04/1998
04/08/1998CN2278262Y Large capacity power source loss protection memory module
04/07/1998US5737260 Dual mode ferroelectric memory reference scheme
03/1998
03/31/1998US5734187 Memory cell design with vertically stacked crossovers
03/17/1998US5729495 For an integrated circuit
03/17/1998US5729488 Memory unit
03/10/1998US5726930 Semiconductor memory device
03/04/1998EP0827153A2 Method of writing data to a single transistor type ferroelectric memory cell
03/04/1998CN1037637C Ferroelectric memory cell and method of sensing and writting the polarization state thereof
03/04/1998CN1037633C Electronic device having ferroelectric memory
02/1998
02/24/1998US5721699 Ferroelectric memory with feedback circuit
02/03/1998US5715190 Semiconductor memory device
01/1998
01/13/1998US5708284 Non-volatile random access memory
01/06/1998US5706225 Memory apparatus with dynamic memory cells having different capacitor values
12/1997
12/30/1997US5703804 Semiconductor memory device
12/10/1997EP0811982A2 Non-volatile ferroelectric memory device for storing data bits restored upon power-on and intermittently refreshed
12/10/1997EP0811980A2 Low voltage bootstrapping circuit
12/09/1997US5696716 Programmable memory element
12/02/1997US5694353 Non-volatile ferroelectric memory device equipped with reference voltage generator for exactly regulating reference voltage to the mid point between two logic level and method of reading out data bit therefrom
11/1997
11/18/1997US5689468 Semiconductor memory device and method for driving the same
11/11/1997US5687119 Semiconductor memory device with floating gate electrode
11/11/1997US5687111 Static type semiconductor memory device capable of operating at a low voltage and reducing a memory cell area
10/1997
10/30/1997WO1997040500A1 Semiconductor memory
10/28/1997US5682345 Non-volatile data storage unit method of controlling same
10/08/1997EP0800178A1 Auto-saving circuit for programming set-up elements in non-volatile memory devices
10/02/1997WO1997036330A1 Memory cell design with vertically stacked crossovers
10/01/1997EP0798736A2 Bootstrapping circuit utilizing a ferroelectric capacitor
09/1997
09/30/1997US5672989 Nonvolatile semiconductor integrated circuit having an address transition detector
09/25/1997WO1997035315A1 Electronic memory
09/23/1997US5671174 Ferroelectric memory device
09/16/1997US5668754 Ferroelectric memory cell and reading/writing method thereof
09/16/1997US5668753 Ferroelectric memory and method for controlling operation of the same
09/02/1997US5663906 Semiconductor memory device having volatile storage unit and non-volatile storage unit
09/02/1997US5663904 Ferroelectric memory using pair of reference cells
08/1997
08/20/1997CN1157458A Method for reading and restoring data in data storage element
07/1997
07/15/1997US5648930 Non-volatile memory which is programmable from a power source
07/08/1997US5646885 Fast accessible non-volatile semiconductor memory device
06/1997
06/25/1997CN1035291C Semiconductor memory device and method of operation thereof
06/24/1997US5642313 Voltage booster circuit for a memory device
05/1997
05/27/1997US5633821 Nonvolatile memory device
05/13/1997US5629888 Semiconductor memory device and method of operation thereof
05/07/1997EP0772199A2 Non-volatile register and method for accessing data therein
04/1997
04/22/1997US5623442 Memory cells and memory devices with a storage capacitor of parasitic capacitance and information storing method using the same
04/16/1997CN1147674A Semiconductor memory device and method of manufacturing the same
04/15/1997US5621680 Data storage element and method for reading data therefrom
04/09/1997EP0767498A1 Semiconductor memory device and method of manufacturing the same
04/08/1997US5619470 Semiconductor memory device
04/08/1997US5619447 Ferro-electric memory array architecture and method for forming the same
04/02/1997EP0766253A2 Non-volatile ferroelectric memory device equipped with reference voltage generator for exactly regulating reference voltage to the mid point between two logic level and method of reading out data bit therefrom
04/02/1997CN2251186Y Power-down protection storage
04/01/1997US5617349 Ferroelectric memory and method for controlling operation of the same
03/1997
03/25/1997US5615145 Semiconductor memory with ferroelectric capacitors
03/25/1997US5615144 Non-volatile ferroelectric memory device with leakage preventing function
03/18/1997US5612238 Method of manufacturing first and second memory cell arrays with a capacitor and a nonvolatile memory cell
03/11/1997US5610852 Ferroelectric memory and method for controlling operation of the same
03/05/1997EP0760515A2 Method for reading and restoring data in a data storage element
03/04/1997US5608667 Ferroelectric memory automatically generating biasing pulse for plate electrode
02/1997
02/25/1997US5606523 Non-volatile programmable bistable multivibrator in predefined initial state for memory redundancy circuit
02/11/1997US5602776 Non-Volatile, static random access memory with current limiting
02/04/1997US5600587 Ferroelectric random-access memory
01/1997
01/29/1997EP0614567B1 Nonvolatile random access memory device
01/08/1997CN1139812A Multi-block erasing and identification device and method for non-volative semiconductor memory device
01/07/1997US5592411 Non-volatile register and method for accessing data therein
01/07/1997US5592410 Circuit and method for reducing a compensation of a ferroelectric capacitor by multiple pulsing of the plate line following a write operation
01/07/1997US5592409 Nonvolatile memory
12/1996
12/31/1996US5590073 Random access memory having flash memory
12/18/1996EP0749127A2 Data storage element and method for restoring data
11/1996
11/26/1996US5579257 Method for reading and restoring data in a data storage element
11/20/1996CN1136207A 半导体存储器 Semiconductor memory
11/13/1996EP0467928B1 Improved novram cell using two differential, decouplable nonvolatile memory elements
11/12/1996US5574679 Memory data protection for a ferroelectric memory
11/06/1996EP0741388A2 Ferro-electric memory array architecture and method for forming the same
11/05/1996US5572459 Voltage reference for a ferroelectric 1T/1C based memory
10/1996
10/16/1996EP0737983A2 Circuit and method for reducing compensation of a ferroelectric capacitor by multiple pulsing of the plate line following a write operation
10/16/1996EP0737982A2 Ferroelectric memory sensing scheme
10/08/1996US5563839 Semiconductor memory device having a sleep mode
10/03/1996WO1996030911A1 Semiconductor memory device having a sleep mode
10/02/1996EP0735541A2 Ferroelectric memory sensing method using distinct read and write voltages
09/1996
09/25/1996CN1131842A Oscillation circuit and non-volatile semiconductor memory
09/24/1996US5559733 Memory with ferroelectric capacitor connectable to transistor gate
09/17/1996US5557566 Semiconductor nonvolatile ram having E2PROM with a floating gate located above the midportion of the transistor channel
09/06/1996WO1996027192A1 Method and apparatus for reduced fatigue in ferroelectric memory elements
08/1996
08/27/1996US5550770 Semiconductor memory device having ferroelectric capacitor memory cells with reading, writing and forced refreshing functions and a method of operating the same
08/22/1996DE19518348C1 Memory with random access and read only modes
08/22/1996CA2218178A1 Multi-purpose transaction card system
08/13/1996US5546342 Semiconductor memory device including reverse and rewrite means
08/07/1996EP0725402A2 Semiconductor memory device
08/06/1996US5544096 Semiconductor memory device having volatile storage unit and non-volatile storage unit
07/1996
07/31/1996EP0724265A2 Ferroelectric random-access memory
07/30/1996US5541873 Nonvolatile memory
07/30/1996US5541871 Nonvolatile ferroelectric-semiconductor memory
07/10/1996EP0721191A2 Ferroelectric memory and method for controlling operation of the same
07/10/1996EP0721190A2 Ferroelectric memory and method for controlling operation of the same
07/10/1996EP0721189A2 Ferroelectric memory and method for controlling operation of the same
07/09/1996US5535154 Semiconductor memory device with CMOS-inverter storage cells
07/03/1996EP0720172A2 Ferroelectric memory cell and reading/writing method thereof
07/03/1996EP0720171A2 Ferroelectric memory device
07/02/1996US5532953 Ferroelectric memory sensing method using distinct read and write voltages
06/1996
06/25/1996US5530668 Ferroelectric memory sensing scheme using bit lines precharged to a logic one voltage
06/18/1996US5528535 Semiconductor memory device
06/11/1996US5526302 Semiconductor memory device having volatile storage unit and non-volatile storage unit
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