Patents
Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133)
05/1997
05/27/1997US5633822 Method of programming a nonvolatile flash-EEPROM memory array using source line switching transistors
05/27/1997US5633821 Nonvolatile memory device
05/21/1997EP0774788A1 A PMOS flash memory cell capable of multi-level threshold voltage storage
05/20/1997US5631862 Self current limiting antifuse circuit
05/15/1997DE19646216A1 NAND-type EEPROM device
05/13/1997US5630093 Disk emulation for a non-volatile semiconductor memory utilizing a mapping table
05/13/1997US5629890 Integrated circuit system for analog signal storing and recovery incorporating read while writing voltage program method
05/13/1997US5629611 Current generator circuit for generating substantially constant current
05/07/1997EP0772129A2 Computer
05/07/1997CN1149189A High-speed synchronous mask rom with pipeline structure
05/07/1997CN1149183A Batch erasable nonvolatile memory apparatus and erasing method
05/06/1997US5627838 Automatic test circuitry with non-volatile status write
05/06/1997US5627783 Semiconductor disk device
05/06/1997US5627781 Nonvolatile semiconductor memory
05/06/1997US5627484 CMOS sense amplifier
04/1997
04/29/1997US5625590 Nonvolatile semiconductor memory
04/29/1997US5625586 Semiconductor memory having a plurality of memory banks and sub-bit lines which are connected to a main bit line via MOS transistors whose gates are commonly connected to a selection line
04/27/1997CA2188828A1 Computer with improved memory and controller
04/22/1997US5623640 Data memory system that exchanges data in data locations with other data locations based on the number of writes to the memory
04/22/1997US5623442 Memory cells and memory devices with a storage capacitor of parasitic capacitance and information storing method using the same
04/22/1997US5623438 Virtual ground read only memory circuit
04/22/1997US5622879 Methods for fabricating and operating electrically erasable and programmable integrated circuit memory
04/17/1997DE19641420A1 Threshold voltage adjusting circuit
04/16/1997EP0768673A2 Improvements in or relating to integrated circuits
04/16/1997CN1147518A Spin-transition parent compounds and devices having means for writing, storing and erasing, which comprise active medium including at least one of said compounds
04/15/1997US5621697 High density integrated circuit with bank select structure
04/15/1997US5621689 Nonvolatile semiconductor memory device having controlled charge pump load
04/15/1997US5621684 Nonvolatile semiconductor member with different pass potential applied to the first two adjacent word
04/15/1997US5621683 Semiconductor memory with non-volatile memory transistor
04/15/1997US5621682 Memory system
04/15/1997US5621247 Having resistance varying member between two conductive materials
04/15/1997US5620915 Method for bypassing null-code sections for read-only memory by access line control
04/09/1997CN1147314A Low voltage one transistor flash EEPROM cell using Fowler-Nordheim Programming and erase
04/09/1997CN1147166A Sense amplifier for semiconductor memory device
04/08/1997US5619473 Semiconductor memory device with dual address memory read amplifiers
04/08/1997US5619469 Fuse redundancy circuitry for a semiconductor memory device
04/08/1997US5619452 Semiconductor disk device with a constant data-writing time period
04/08/1997US5619451 Method for the erasure of a memory, and circuits for the implementation thereof
04/08/1997US5619449 Bit line sensing in a memory array
04/08/1997US5619149 Single ended dynamic sense amplifier
04/03/1997WO1996018194A3 Semiconductor memory with non-volatile memory transistor
04/02/1997EP0766255A1 Parallel programming method of memory words and corresponding circuit
04/02/1997EP0766176A2 Replacement semiconductor read-only memory
04/01/1997US5617370 Semiconductor memory device with controllable charging characteristics of column lines
04/01/1997US5617361 Non-volatile semiconductor memory device
04/01/1997US5617359 Semiconductor memory device
04/01/1997US5617358 Nonvolatile semiconductor memory device capable of converging threshold voltage with low power supply voltage
04/01/1997US5617356 Regulation circuit and method for the erasing phase of non-volatile memory cells
04/01/1997US5617355 Semiconductor memory device having positive feedback sense amplifier
04/01/1997US5617353 Nonvolatile semiconductor memory device
03/1997
03/26/1997EP0764953A2 Improvements in or relating to integrated circuit memory arrays
03/26/1997CN1146053A Non-volatile semiconductor memory
03/26/1997CN1146052A Method for programming nonvolatile memory
03/25/1997US5615166 Semiconductor memory integrated circuit
03/25/1997US5615163 Semiconductor memory device
03/25/1997US5615154 Flash memory device having erase verification
03/25/1997US5615151 Semiconductor integrated circuit operable and programmable at multiple voltage levels
03/25/1997US5615147 Low voltage one transistor flash EEPROM cell using Fowler-Nordheim programming and erase
03/25/1997US5615144 Non-volatile ferroelectric memory device with leakage preventing function
03/19/1997EP0763830A2 Arrangement of memory cells in matrix form
03/19/1997EP0763829A2 Method for programming a nonvolatile memory
03/19/1997EP0763794A2 Semiconductor memory and method for substituting a redundancy memory cell
03/18/1997US5612913 Byte erasable EEPROM fully compatible with a single power supply flash-EPROM process
03/18/1997US5612557 Semiconductor device having an inter-layer insulating film disposed between two wiring layers
03/18/1997US5612230 Process for manufacturing a semiconductor device by applying a non-single-crystalline material on a sidewall inside of an opening portion for growing a single-crystalline semiconductor body
03/13/1997DE19611212A1 Semiconductor memory read=out device
03/12/1997CN1144964A Integrated logic circuit and EEPROM
03/11/1997US5611067 Nonvolatile semiconductor memory device having means for selective transfer of memory block contents and for chaining together unused memory blocks
03/11/1997US5610860 Integrated circuit memory with column voltage holding circuit
03/11/1997US5610506 Voltage reference circuit
03/11/1997US5610420 Semiconductor integrated circuit device and method of manufacturing the same
03/05/1997EP0760516A2 Non-volatile multi-state memory device with memory cell capable of storing multi-state data
03/05/1997EP0525941B1 Method of self-diagnosing a mobile telephone set for use in a mobile telephone switching system and mobile telephone set being applied to the method
03/04/1997US5608673 Nand-type flash memory integrated-circuit card
03/04/1997US5608671 Non-volatile semiconductor memory
02/1997
02/27/1997WO1997007512A1 On-chip program voltage generator for antifuse repair
02/27/1997DE19632087A1 Semiconductor memory device e.g. ROM
02/27/1997DE19530900A1 Fusible link adjusting appts. for integrated circuit
02/26/1997EP0759622A2 Nonvolatile memory and method of programming the same
02/26/1997CN1143814A Nonvolatile memory and emthod of programming the same
02/26/1997CN1143812A Memory device
02/25/1997US5606584 Timing circuit
02/25/1997US5606530 High speed ROM decode circuit
02/25/1997US5606527 Methods for detecting short-circuited signal lines in nonvolatile semiconductor memory and circuitry therefor
02/25/1997US5606523 Non-volatile programmable bistable multivibrator in predefined initial state for memory redundancy circuit
02/20/1997DE19608713A1 Speichereinheit Storage unit
02/19/1997CN1143424A Memory core organization
02/19/1997CN1143252A PMOS ROM address line decoding device
02/18/1997US5604756 Testing device for concurrently testing a plurality of semiconductor memories
02/18/1997US5604702 Dynamic redundancy circuit for memory in integrated circuit form
02/18/1997US5604700 Non-volatile memory cell having a single polysilicon gate
02/18/1997US5604699 Method of evaluating the dielectric layer of nonvolatile EPROM, EEPROM and flash-EEPROM memories
02/18/1997US5604694 Charge pump addressing
02/18/1997US5604693 On-chip program voltage generator for antifuse repair
02/18/1997US5604451 Sense amplifier circuit
02/18/1997US5604143 Method for producing nonvolatile memory used as read-only storage media
02/12/1997EP0758127A2 Sense amplifier circuit of a nonvolatile semiconductor memory device
02/11/1997US5602987 Flash EEprom system
02/11/1997US5602788 Read only memory having localized reference bit lines
02/11/1997US5602778 Nonvolatile semiconductor memory device with a row redundancy circuit
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