Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133) |
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05/25/1993 | US5214605 Automatic erasing optimization circuit for an electrically erasable and programmable semiconductor memory and method thereof |
05/25/1993 | US5214604 Electrically programmable read only memory device with dummy memory cells used in diagnostic operation on decoder units |
05/25/1993 | US5214303 Semiconductor device ROM having an offset region |
05/25/1993 | CA1318367C High speed ecl input buffer for vertical fuse arrays |
05/19/1993 | EP0542311A2 Memory designation control device |
05/13/1993 | DE4233248A1 Flash-EEPROM with blockwise erase capability - controls Y-decoder and transfer circuit so that source-line latch circuit potential is applied via bit line to memory block field |
05/12/1993 | EP0541222A2 Method and apparatus for erasing an array of electrically erasable EPROM cells |
05/12/1993 | EP0541221A2 Method and apparatus for preventing overerasure in a flash cell |
05/12/1993 | CN1072040A Nand type mask readonly memory |
05/11/1993 | US5210854 System for updating program stored in eeprom by storing new version into new location and updating second transfer vector to contain starting address of new version |
05/11/1993 | US5210716 Semiconductor nonvolatile memory |
05/04/1993 | US5208780 Structure of electrically programmable read-only memory cells and redundancy signature therefor |
05/04/1993 | US5208772 Gate EEPROM cell |
04/27/1993 | US5206552 Sense amplifier for non-volatile semiconductor storage device |
04/21/1993 | EP0537973A2 Nand-cell type electrically erasable and programmable read- only memory with redundancy circuit |
04/21/1993 | EP0537914A1 Method and apparatus for phantom serial memory access |
04/20/1993 | US5204842 Semiconductor memory with memory unit comprising a plurality of memory blocks |
04/20/1993 | US5204839 Program optimizing circuit and method for an electrically erasable and programmable semiconductor memory device |
04/20/1993 | US5204835 Eprom virtual ground array |
04/20/1993 | US5204560 Combined sense amplifier and latching circuit for high speed roms |
04/14/1993 | EP0536696A2 Semiconductor memory device |
04/13/1993 | US5202852 Programmable read only memory card with improved buffer circuit |
04/13/1993 | US5202848 Read only memory device |
04/08/1993 | DE4227462A1 Microcomputer with at least one voltage changover circuit for two switching elements - prevents leakage current caused by deviations in transistor parameters arising during manufacture. |
04/07/1993 | EP0536094A2 Null consumption, nonvolatile programmable switch |
04/07/1993 | CN1070759A Anti-copy read-only memory |
04/06/1993 | US5200959 Device and method for defect handling in semi-conductor memory |
04/06/1993 | US5200923 Non-volatile memory device |
04/06/1993 | US5200652 Programmable/reprogrammable structure combining both antifuse and fuse elements |
03/31/1993 | EP0534910A2 Row-decoder for nand-type rom |
03/31/1993 | EP0534676A2 EEPROM with improved endurance properties |
03/30/1993 | US5198998 Erasable programmable read only memory |
03/30/1993 | US5198996 Semiconductor non-volatile memory device |
03/24/1993 | CN1070279A Mask read only memory device |
03/23/1993 | US5197029 Common-line connection for integrated memory array |
03/23/1993 | US5197028 Semiconductor memory device with dual reference elements |
03/23/1993 | US5196739 High voltage charge pump |
03/18/1993 | WO1993005513A1 Circuit for controlling the programming voltage of programmable memories |
03/17/1993 | EP0531707A2 Semiconductor memory cell and memory array with inversion layer |
03/16/1993 | US5195054 Semiconductor memory |
03/16/1993 | US5194759 Methods for preventing disturbance of antifuses during programming |
03/12/1993 | CA2077929A1 Semiconductor integrated circuit |
03/10/1993 | EP0530713A2 Nonvolatile memory circuit |
03/10/1993 | EP0530376A1 Semiconductor memory having nonvolatile semiconductor memory cell |
03/09/1993 | US5193073 On chip voltage regulator for common collection matrix programmable memory array |
03/04/1993 | WO1993004506A1 Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom |
03/03/1993 | EP0529862A2 Non-volatile memories |
03/03/1993 | EP0529234A2 Semiconductor memory device |
03/02/1993 | US5191556 Method of page-mode programming flash eeprom cell arrays |
03/02/1993 | US5191550 Dual antifuse memory device |
03/02/1993 | US5191402 Semiconductor device having an inter-layer insulating film disposed between two wiring layers |
02/24/1993 | EP0528690A1 Contact alignment for read only memory devices |
02/24/1993 | EP0528490A2 Electronic matrix array devices and systems incorporating such devices |
02/24/1993 | EP0528417A2 One-time, voltage-programmable, read-only memory array having memory cell igfets, each of which is coupled to a reference voltage line via an anti-fuse element |
02/18/1993 | WO1993003497A1 Programming of antifuses |
02/16/1993 | US5187683 Method for programming EEPROM memory arrays |
02/03/1993 | EP0526427A2 Sense amplifier for programmable memories with a virtually enhanced source of signal |
02/03/1993 | EP0526221A1 Data processing system with progressively programmable nonvolatile memory and method therefor |
02/03/1993 | EP0525941A2 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 |
02/03/1993 | EP0525939A2 Methods for protecting outputs of low-voltage circuits from high programming voltages |
02/03/1993 | EP0525840A2 Programmable cell with a programmable component outside the signal path |
02/03/1993 | EP0525680A2 Data latch circuit having non-volatile memory cell |
02/03/1993 | EP0525679A2 Writing control circuit employed in non-volatile semiconductor memory device |
02/03/1993 | EP0525678A2 Nonvolatile semiconductor memory device having row decoder |
01/20/1993 | EP0523817A2 Improved programmable logic device |
01/19/1993 | US5181206 Prom writer having check sum function |
01/13/1993 | EP0522780A2 Control method for a computer memory device |
01/13/1993 | EP0522579A2 Level-shifter circuit for integrated circuits |
01/13/1993 | EP0522539A2 Mask programmable read only memory device with multi-level memory cell array and process of fabrication thereof |
01/13/1993 | EP0305987B1 Self-correcting semiconductor memory device and microcomputer incorporating the same |
01/12/1993 | US5179540 Programmable chip enable logic function |
01/12/1993 | US5179537 Semiconductor memory device having monitoring function |
01/12/1993 | US5179536 Semiconductor memory device having means for replacing defective memory cells |
01/07/1993 | EP0521594A2 Semiconductor memory device |
01/06/1993 | CN1067614A Conmemorative information storage card and its processing method and device |
01/05/1993 | US5177743 Semiconductor memory |
12/30/1992 | EP0520357A2 Read only memory device with recharging transistor automatically supplementing current to an input node of output inverter |
12/29/1992 | US5175706 Programming voltage generator circuit for programmable memory |
12/29/1992 | US5175705 Semiconductor memory device having circuit for prevention of overcharge of column line |
12/23/1992 | EP0519847A1 Data count memory card and reading apparatus |
12/22/1992 | US5173876 Electrically erasable and programmable non-volatile semiconductor memory device |
12/22/1992 | US5173874 Semiconductor storage device |
12/22/1992 | US5173616 Code setting circuit |
12/16/1992 | CN1019531B Firmware for data compression of code set of input system for diphthong coding of chinese charaeter computer |
12/15/1992 | US5172342 Portable semiconductor memory unit |
12/15/1992 | US5172337 Semiconductor memory device |
12/09/1992 | EP0517354A2 Semiconductor memory circuit having a test logic circuit structure |
12/08/1992 | US5170373 Three transistor eeprom cell |
12/02/1992 | EP0516516A1 Memory with capacitive EEPROM cell and process for reading such a memory cell |
12/02/1992 | EP0516296A2 Method of programming floating gate memory devices |
12/02/1992 | EP0516225A2 Precharging circuit of bit line for reading an EPROM memory cell |
12/01/1992 | CA1311053C Nonvolatile memory element |
11/25/1992 | EP0515039A2 A complementary low power non-volatile reconfigurable eecell |
11/24/1992 | US5166901 Programmable memory cell structure including a refractory metal barrier layer |
11/19/1992 | EP0514350A2 Current offset sense amplifier of a modulated current or current unbalance type for programmable memories |
11/12/1992 | WO1992020067A1 Non-volatile erasable and programmable interconnect cell |
11/12/1992 | DE4214184A1 Dynamic non-volatile memory and update in a computer system |
11/05/1992 | DE4213574A1 ROM with optional predetermined outputs - has address recognition circuits enabling predetermined logic levels to be applied to output lines |
11/04/1992 | EP0511675A2 Semiconductor device for generating constant potential |
11/04/1992 | EP0511560A2 Low voltage programmable storage element |