Patents
Sitemap › G11 - Information storage › G11C - Static stores › G11C 14 - Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
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)
06/1992
06/16/1992CA1303689C Zero power, electrically alterable, nonvolatile latch
05/1992
05/27/1992EP0486902A2 Semiconductor memory device
05/27/1992EP0486901A2 Ferroelectric random access memory and methods of its operation
05/19/1992US5114870 Method for manufacturing field effect transistors
04/1992
04/22/1992EP0481532A2 Semiconductor memory device
04/21/1992CA1299283C Apparatus controlled by a micro-computer and including power loss data checking
03/1992
03/25/1992CN1059798A Semiconductor memory device and method of operation thereof
03/24/1992US5099451 Memory array with electrically programmable memory cells and electricaly unprogrammable, unerasable memory cells, both types of memory cells having floating gate transistors
03/18/1992EP0475066A2 Eeprom analog switch
03/18/1992EP0474781A1 Nvram with integrated sram and nv circuit
03/12/1992DE4128919A1 Semiconductor memory of alternate read-only or random-access type - usesprogramming devices to determine configuration of potential lineconnections
02/1992
02/05/1992EP0469934A2 Semiconductor memory device and method of operation thereof
02/04/1992US5086412 Sense amplifier and method for ferroelectric memory
02/04/1992US5086331 Integrated circuit comprising a programmable cell
12/1991
12/24/1991US5075888 Semiconductor memory device having a volatile memory device and a non-volatile memory device
11/1991
11/21/1991EP0457311A2 Semiconductor memory cell
11/21/1991EP0275286B1 Volatile/nonvolatile integrated circuit
11/12/1991US5065366 Non-volatile ram bit cell
11/12/1991US5065362 Non-volatile ram with integrated compact static ram load configuration
11/12/1991US5065201 Semiconductor memory device
11/05/1991US5063425 Semiconductor memory device with capacitor over non-volatile memory cell gate structure
10/1991
10/15/1991US5058074 Integrated circuit including programmable circuit
09/1991
09/24/1991US5051958 Nonvolatile static memory device utilizing separate power supplies
09/24/1991US5051956 Memory cell having means for maintaining the gate and substrate at the same potential
09/24/1991US5051951 Static RAM memory cell using N-channel MOS transistors
08/1991
08/27/1991US5043946 Semiconductor memory device
08/14/1991EP0441584A2 Ferroelectric memory structure
08/10/1991CA2035128A1 Ferroelectric memory structure
07/1991
07/09/1991US5031143 Preamplifier for ferroelectric memory device sense amplifier
07/02/1991US5029132 Random access memory device having parallel non-volatile memory cells
07/02/1991US5029128 Semiconductor memory device with ferroelectric capacitor cells with a plate to which a mid-level voltage is applied
06/1991
06/05/1991EP0430455A2 Nonvolatile memory device and operating method
05/1991
05/28/1991US5020030 Nonvolatile SNOS memory cell with induced capacitor
04/1991
04/23/1991US5010518 Semiconductor memory device
03/1991
03/06/1991EP0415221A2 Non-volatile programmable interconnection circuit
01/1991
01/16/1991EP0408233A2 A non-volatile RAM bit cell
01/09/1991EP0406996A1 Integrated circuit including programmable circuit
12/1990
12/27/1990EP0403823A1 Plural Stage Voltage Booster Circuit With Efficient Electric Charge Transfer Between Successive Stages
12/25/1990US4980859 NOVRAM cell using two differential decouplable nonvolatile memory elements
12/21/1990CA2010122A1 Integrated circuit including programmable circuit
12/13/1990WO1990015414A1 Nvram with integrated sram and nv circuit
11/1990
11/27/1990US4974204 Non-volatile programmable interconnection circuit
11/20/1990CA1276723C Non-volatile electronic memory
10/1990
10/18/1990WO1990012402A1 Improved novram cell using two differential, decouplable nonvolatile memory elements
10/09/1990US4962322 Nonvolatible capacitor random access memory
09/1990
09/12/1990EP0387102A2 Semi-conductor non-volatile memory and method of writing the same
09/12/1990EP0387101A2 Semi-conductor non-volatile memory and method of writing the same
04/1990
04/25/1990EP0365002A2 Semiconductor memory device
04/25/1990EP0364813A2 Semiconductor memory device with memory cells including ferroelectric capacitors
04/17/1990US4918654 SRAM with programmable capacitance divider
04/03/1990US4914627 One transistor memory cell with programmable capacitance divider
03/1990
03/21/1990EP0359404A2 Non-volatile memory cell and sensing method
03/20/1990US4910708 Dram with programmable capacitance divider
03/13/1990US4908793 Storage apparatus including a semiconductor memory and a disk drive
01/1990
01/09/1990US4893272 Ferroelectric retention method
12/1989
12/19/1989US4888733 Non-volatile memory cell and sensing method
12/12/1989US4887236 Non-volatile, radiation-hard, random-access memory
12/06/1989EP0345058A2 Non-volatile static RAM circuit
11/1989
11/23/1989EP0342466A2 Static ram with single event immunity
11/21/1989US4882711 Non-volatile memory system
10/1989
10/31/1989US4878203 Semiconductor non-volatile memory with cut-off circuit when leakage occurs
10/25/1989EP0338158A2 Ferroelectric retention method
10/11/1989EP0336500A1 Integrated circuit comprising a programmable cell
10/10/1989US4873664 Self restoring ferroelectric memory
09/1989
09/27/1989EP0334550A2 Nonvolatile RAM cell
09/19/1989US4868619 Single transistor electrically programmable memory device and method
08/1989
08/22/1989US4860254 Non-volatile electronic memory
08/15/1989US4858185 Zero power, electrically alterable, nonvolatile latch
08/09/1989EP0326883A2 Zero power, electrically alterable, nonvolatile latch
08/01/1989US4853893 Data storage device and method of using a ferroelectric capacitance divider
07/1989
07/25/1989US4851364 Method of forming well regions for field effect transistors utilizing self-aligned techniques
07/04/1989US4845680 Nonvolatile semiconductor memory device
06/1989
06/13/1989CA1255792A1 Non-volatile, programmable, static memory cell and a non-volatile, programmable static memory
05/1989
05/24/1989EP0317442A1 Memory plane and process and prototype of definition of an electronic integrated circuit comprising such a memory plane
05/24/1989EP0172879B1 Nonvolatile latch
04/1989
04/12/1989EP0311146A1 Self-refreshing memory cell
04/11/1989US4821236 Semiconductor nonvolatile memory
03/1989
03/29/1989EP0309180A2 Semiconductor non-volatile memory device
03/14/1989US4813018 Nonvolatile semiconductor memory device
02/1989
02/28/1989US4809225 Memory cell with volatile and non-volatile portions having ferroelectric capacitors
02/14/1989US4805142 Multiple ROM data state, read/write memory cell
02/08/1989EP0302780A2 Improved non-volatile shadow storage cell with reduced tunnel device count for improved reliability
02/08/1989EP0302779A2 Non-volatile shadow storage cell with improved level shifting circuit and reduced tunnel device count for improved reliability
02/07/1989US4803662 EEPROM cell
01/1989
01/31/1989US4802126 Semiconductor memory device
01/31/1989US4802124 Non-volatile shadow storage cell with reduced tunnel device count for improved reliability
01/24/1989US4800533 Semiconductor nonvolatile memory device
01/18/1989EP0299633A2 Programmable capacitance divider
01/18/1989EP0198040B1 Nonvolatile memory cell
01/17/1989US4799194 Semiconductor random access nonvolatile memory device with restore and control circuits
01/11/1989EP0298657A2 Non-volatile random access memory device having volatile memory cell
01/04/1989EP0297777A2 Ferroelectric shadow ram
12/1988
12/14/1988EP0295036A2 Semiconductor memory device
12/07/1988EP0293798A2 Non-volatile memory ciruit using ferroelectric capacitor storage element
11/1988
11/30/1988EP0293231A2 Non-volatile, radiation-hard, random-access memory
11/22/1988US4787066 Non-volatile shadow storage cell with improved level shifting circuit and reduced tunnel device count for improved reliability
09/1988
09/21/1988EP0282528A1 Nonvolatile memory cell.
08/1988
08/17/1988EP0278392A2 Non-volatile memory system
08/17/1988EP0278167A2 Self restoring ferroelectric memory
07/1988
07/28/1988WO1988001095A3 Volatile/nonvolatile integrated circuit
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