Patents
Sitemap › G11 - Information storage › G11C - Static stores › G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133)
11/1996
11/19/1996US5577000 For reading data from a selected memory cell
11/19/1996US5576995 Method for rewriting a flash memory
11/19/1996US5576992 Extended-life method for soft-programming floating-gate memory cells
11/19/1996US5576991 Multistepped threshold convergence for a flash memory array
11/19/1996US5576990 Voltage regulator for non-volatile semiconductor memory devices
11/19/1996US5576989 Method for the counting down of units in a memory card
11/14/1996DE19615956A1 DRAM connected non-volatile semiconductor memory device
11/13/1996EP0601068A4 Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom.
11/13/1996EP0467928B1 Improved novram cell using two differential, decouplable nonvolatile memory elements
11/12/1996US5574686 Nonvolatile semiconductor storage system
11/12/1996US5574684 Flash memory having data refresh function and data refresh method of flash memory
11/12/1996CA2061139C Radio pager and method of writing information in rom of the radio pager
11/06/1996EP0741389A2 Reading a non-volatile memory array
11/06/1996EP0740837A1 Method and circuitry for storing discrete amounts of charge in a single memory element
11/06/1996CN1135081A Semiconductor memory device and data writing method thereof
11/05/1996US5572476 Apparatus and method for determining the resistance of antifuses in an array
11/05/1996US5572472 Integrated zener-zap nonvolatile memory cell with programming and pretest capability
11/05/1996US5572466 Flash memory chips
11/05/1996US5572464 Semiconductor memory device and method of using the same
11/05/1996US5572458 Multi-level vROM programming method and circuit
11/05/1996US5571736 Fabricating a high density EPROM cell by removing a portion of the field insulator regions
10/1996
10/30/1996EP0740307A1 Sense amplifier circuit for semiconductor memory devices
10/30/1996EP0740268A1 Memory card and method for using such a card
10/23/1996EP0739016A2 Non-volatile semiconductor memory device with block erase function
10/23/1996EP0739014A2 Semiconductor memory device
10/23/1996CN1033108C Externally undatable ROM (EUROM)
10/22/1996US5568641 Powerfail durable flash EEPROM upgrade
10/22/1996US5568626 Method and system for rewriting data in a non-volatile memory a predetermined large number of times
10/22/1996US5568420 Nonvolatile semiconductor memory device
10/16/1996EP0669622B1 Bias circuit for a transistor in a memory cell
10/15/1996US5566386 Nonvolatile semiconductor memory device having a status register and test method for the same
10/15/1996US5566323 Data processing system including programming voltage inhibitor for an electrically erasable reprogrammable nonvolatile memory
10/15/1996US5566125 Method and circuitry for storing discrete amounts of charge in a single memory element
10/15/1996US5566113 Semiconductor memory circuit having verify mode
10/15/1996US5566111 Method for programming a nonvolatile memory
10/15/1996US5566110 Electrically erasable programmable read only memory and method of operation
10/15/1996US5566109 EEPROM, write control method for EEPROM, and IC card
10/15/1996US5566107 Programmable circuit for enabling an associated circuit
10/15/1996US5565802 Semiconductor device with differential amplifier operable at high speed
10/08/1996US5564032 Control apparatus for controlling memory unit capable of selecting an electrically erasable non-volatile memory and loading information stored therein
10/08/1996US5563844 Semiconductor memory device
10/08/1996US5563842 Row decoder for a memory having settable threshold memory cells
10/08/1996US5563841 Semiconductor memory device having redundant circuit
10/08/1996US5563834 Multiport memory and method
10/08/1996US5563826 Memory array cell reading circuit with extra current branch
10/08/1996US5563824 Nonvolatile semiconductor memory device and method of erasing stored data thereof
10/02/1996EP0735542A1 Reading circuit for multilevel non-volatile memory cell devices
10/02/1996EP0735489A1 Method of protecting zones of non-volatile memories
10/02/1996DE19612666A1 Non-volatile semiconductor memory, e.g. EEPROM with cells in NAND-structure
10/01/1996US5561628 IC card and a method for parallel processing flash memories
10/01/1996US5561627 Nonvolatile semiconductor memory device and data processor
10/01/1996US5561624 Read-only-memory array with coding after metallization
10/01/1996US5561621 Non-volatile programmable bistable multivibrator with reduced parasitics in reading mode notably for memory redundancy circuit
10/01/1996US5561620 Flash EEPROM array with floating substrate erase operation
09/1996
09/25/1996EP0734025A2 High-density read-only memory
09/25/1996EP0734024A1 Sensing circuit for serial dichotomic sensing of multiple-levels non-volatile memory cells
09/25/1996EP0734023A1 Integrated circuit memory write protection method and corresponding integrated circuit
09/25/1996CN1131997A Process for fully re-programming erasable non-volatile store
09/25/1996CN1131800A Sense amplifier
09/24/1996US5559744 Semiconductor integrated circuit device having a test mode setting circuit
09/24/1996US5559743 Redundancy circuitry layout for a semiconductor memory device
09/24/1996US5559738 Semiconductor data storage apparatus
09/24/1996US5559737 Nonvolatile semiconductor memory capable of simultaneously equalizing bit lines and sense lines
09/24/1996US5559736 Non-volatile semiconductor memory device capable of preventing excessive-writing
09/24/1996US5559687 Voltage multiplier for high output current with stabilized output voltage
09/24/1996US5559449 Programmable logic array structure for semiconductor nonvolatile memories, particularly flash-eeproms
09/24/1996US5559370 Electronic label and carriers therefor
09/18/1996EP0389566B1 Improved low power dual-mode cmos bias voltage generator
09/18/1996CN1131324A Memory storage for semiconductor and manufacturing method thereof
09/17/1996US5557570 Nonvolatile semiconductor memory device
09/17/1996US5557568 Non-volatile semiconductor memory device with verify mode for verifying data written to memory cells
09/17/1996US5557272 Non-volatile serial-to-parallel converter system utilizing thin-film, floating-gate, amorphous transistors
09/12/1996WO1996019837A3 Semiconductor memory devices and methods of producing such
09/11/1996EP0731470A2 Method for erasing nonvolatile semiconductor memory device incorporating redundancy memory cells
09/10/1996US5555217 Semiconductor memory device having presetting function sense amplifier
09/10/1996US5554868 Non-volatile semiconductor memory device
09/04/1996EP0730278A1 Semiconductor memory device
09/04/1996EP0729633A1 Sense amplifier for non-volatile semiconductor memory
09/04/1996EP0390859B1 Low power voltage clamp circuit
09/03/1996US5553021 Semiconductor integrated circuit device including a voltage generator for providing desired interval internal voltages
09/03/1996US5553017 Electrically erasable and programmable read-only memory cells with a single polysilicon level and method for producing the same
09/03/1996US5553016 Semiconductor memory device
09/03/1996US5552743 Thin film transistor redundancy structure
09/03/1996US5552621 Memory with EEPROM cell having capacitive effect and method for the reading of such a cell
08/1996
08/28/1996EP0728361A1 Integrated circuit system for analog signal storing and recovery incorporating read while writing voltage program method
08/28/1996EP0728360A1 Single transistor per cell eeprom memory device with bit line sector page programming
08/28/1996EP0728359A1 Flash eprom integrated circuit architecture
08/27/1996US5550771 Programmable semiconductor integrated circuit
08/27/1996US5550494 For providing a selective voltage to memory devices
08/22/1996WO1996025743A1 Method for the secure updating of an eeprom memory
08/22/1996DE19518348C1 Memory with random access and read only modes
08/21/1996EP0727822A2 Semiconductor memory device
08/21/1996EP0419760B1 Zero standby power, radiation hardened, memory redundancy circuit
08/21/1996CN1129338A Semi-conductor memory element
08/20/1996US5548559 Semiconductor integrated circuit
08/20/1996US5548557 Nonvolatile semiconductor memory device with a row redundancy circuit
08/20/1996US5548554 Integrated programming circuitry for an electrically programmable semiconductor memory device with redundancy
08/13/1996US5546402 Flash-erase-type nonvolatile semiconductor storage device
08/13/1996US5546348 Semiconductor disc storage
08/13/1996US5546341 Nonvolatile semiconductor memory
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