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)
12/1988
12/15/1988WO1988009997A1 Connection network for adjustable circuit connection, in particular programmable circuits
12/15/1988WO1988009996A1 Programmable circuits
12/15/1988DE3817114A1 Mit laser arbeitendes verfahren zur verbesserung von halbleiterschaltungen With laser-working process for improvement of semiconductor circuits
12/14/1988EP0294947A2 Semiconductor memory device with an error-checking circuit
12/14/1988EP0294865A1 ROM memory programming procedure using MOS technology with thin gate oxide and junctions
12/13/1988US4791614 Semiconductor memory device having erroneous write operation preventing function
12/13/1988US4791612 Data programming circuit for programmable read only memory device
12/07/1988EP0293798A2 Non-volatile memory ciruit using ferroelectric capacitor storage element
11/1988
11/30/1988EP0293339A1 Nonvolatile memory device with a high number of cycle programming endurance
11/30/1988EP0293231A2 Non-volatile, radiation-hard, random-access memory
11/29/1988US4788665 Semiconductor memory
11/22/1988US4787066 Non-volatile shadow storage cell with improved level shifting circuit and reduced tunnel device count for improved reliability
11/17/1988EP0291025A2 Read only memory circuit
11/15/1988US4785423 Current limited epld array
11/08/1988US4783763 Field-programmable device with buffer between programmable circuit
11/08/1988US4783737 PROM writer adapted to accept new writing algorithm
11/08/1988US4783424 Radiating electromagnetic energy to fuse polycrystalline silicon layer; etching, dopes
11/02/1988EP0288832A2 Data writing system for EEPROM
11/01/1988US4782466 Programmable semiconductor read only memory device
11/01/1988US4782465 Semiconductor integrated circuit device with memory cells connected to a divided sub-word line
10/1988
10/26/1988EP0288075A2 Sub-booster circuit for stepping up an output voltage of main booster circuit
10/26/1988CN88102017A Writting device of programing read only memory in the way of input-output interface
10/25/1988US4780855 System for controlling a nonvolatile memory having a data portion and a corresponding indicator portion
10/18/1988US4779272 Testable variable-threshold non-volatile semiconductor memory
10/18/1988US4779231 Gate array arrangement in complementary metal-oxide-semiconductor technology
10/18/1988US4779229 Prom with programmable output structures
10/18/1988CA1243403A1 Virtual ground read only memory
10/12/1988EP0286121A2 Nonvolatile semiconductor memory device
10/05/1988EP0285015A2 Diode-FET logic circuitry
10/05/1988EP0284724A2 Nonvolatile semiconductor memory device
10/04/1988US4775958 Semiconductor memory system
09/1988
09/28/1988EP0284091A2 Nonvolatile semiconductor memory device
09/21/1988EP0282528A1 Nonvolatile memory cell.
09/21/1988EP0282520A1 Non-volatile memory with floating grid and without thick oxide.
09/20/1988US4773047 Read only memory device
09/20/1988US4773046 Semiconductor device having fuse circuit and detecting circuit for detecting states of fuses in the fuse circuit
09/14/1988EP0282137A2 EPROM memory cell with two symmetrical half-cells and separate floating gates
09/14/1988EP0281867A2 Semiconductor memory device with address generator
09/14/1988EP0281597A1 Nonvolatile memory cell array.
09/07/1988WO1988006795A1 Read-only memory for a gate array arrangement
09/07/1988EP0280883A2 Nonvolatile semiconductor memory
09/06/1988US4769788 Shared line direct write nonvolatile memory cell array
09/06/1988US4769787 Semiconductor memory device
08/1988
08/30/1988US4768169 Fault-tolerant memory array
08/24/1988EP0279712A1 Memory read circuit
08/24/1988EP0279453A1 Reference potential generating circuit for a semiconductor device
08/24/1988EP0134237B1 Read-only memory system
08/17/1988EP0278832A2 Memory reading circuit
08/11/1988WO1988005957A1 Electronic component processing apparatus
08/11/1988DE3702453A1 Arrangement for programming a read-only memory
08/10/1988EP0277152A1 One-time programmable data security system for programmable logic device
08/02/1988US4761769 MOS read-only memory device
08/02/1988US4761768 Programmable logic device
08/02/1988US4761765 Semiconductor memory device having improved data output circuit
08/02/1988US4761764 Programmable read only memory operable with reduced programming power consumption
07/1988
07/28/1988WO1988002174A3 Nonvolatile memory cell array
07/27/1988EP0275752A1 Integrated circuit having means for switching towards redundant elements in a memory
07/26/1988US4760556 Nonvolatile semiconductor memory device
07/26/1988US4760554 Staggered contacts in arrays of programmable memory cells
07/26/1988CA1239695A1 Crash survivable solid state memory for aircraft flight data recorder systems
07/20/1988EP0275212A2 NAND stack ROM
07/19/1988US4758994 On chip voltage regulator for common collector matrix programmable memory array
07/19/1988US4758991 Rewritable semiconductor memory device having a decoding inhibit function
07/19/1988US4758989 ROM having bit lines interlaced with column lines and cell column selection according to regularly interlaced logical fields
07/19/1988US4758988 Dual array EEPROM for high endurance capability
07/19/1988US4758984 Semiconductor memory device including read only memory element for storing fixed information
07/19/1988US4758748 Sense amplifier for programmable read only memory
07/06/1988EP0273054A1 System for writing rom cassette for a programmable machine controller
07/05/1988US4755970 Method and apparatus for functional testing of a memory which is reprogrammable electrically word by word
07/05/1988US4755864 Semiconductor read only memory device with selectively present mask layer
06/1988
06/29/1988EP0272977A1 Protection device for an erasable and reprogrammable ROM
06/29/1988EP0272848A2 Semiconductor device having programmable read only memory cells for specific mode
06/29/1988CN85101045B Integrated circuit comprising field effect transistors and a programmable read-only memory
06/28/1988US4754436 Sense amplifier for a read only memory cell array
06/28/1988US4754435 Semiconductor device having a memory circuit
06/28/1988US4754167 Programmable reference voltage generator for a read only memory
06/28/1988CA1238715A1 Fault tolerant memory
06/22/1988EP0271686A2 On chip multi-level voltage generation system
06/21/1988US4752699 On chip multiple voltage generation using a charge pump and plural feedback sense circuits
06/15/1988EP0271412A2 High density ROM in a CMOS gate array
06/15/1988EP0270750A2 Sense circuit for the state of matrix cells in MOS EPROM memories
06/14/1988US4751682 Sense circuit
06/08/1988EP0270410A1 Integrated circuit of the logic type with an EPROM
06/08/1988EP0270145A2 Emitter coupled logic circuit having fuse programmable latch/register bypass
06/01/1988EP0269235A2 High density high speed read only semiconductor memory device
05/1988
05/31/1988US4748594 Integrated circuit device having a memory and majority logic
05/31/1988US4748593 High speed nonvolatile memory cell
05/31/1988US4748492 Read only memory
05/24/1988US4747079 Write circuit for an erasable programmable read only memory device of a microcomputer
05/24/1988US4747077 Method of detecting the conductance state of a non-volatile memory device
05/24/1988US4747076 Method of writing information into a fuse-type ROM
05/19/1988WO1988002173A3 Nonvolatile memory cell
05/19/1988WO1988002172A3 Non-volatile memory with floating grid and without thick oxide
05/18/1988EP0267271A1 In-system programmable logic device.
05/17/1988CA1236919A1 Single transistor electrically programmable memory device and method
05/11/1988EP0267091A1 Electrically programmable read-only memory
05/10/1988US4744058 Semiconductor programmable memory device and method of writing a predetermined pattern to same
05/10/1988US4744054 Semiconductor device with a memory circuit
05/10/1988US4744053 ROM with mask programmable page configuration
05/03/1988US4742492 EEPROM memory cell having improved breakdown characteristics and driving circuitry therefor
1 ... 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ... 102