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)
09/1987
09/23/1987EP0237654A1 Sensing amplifier for a read-only memory
09/22/1987US4695979 Modified four transistor EEPROM cell
09/15/1987US4694431 Semiconductor memory device with increased adaptability
09/15/1987US4694427 Programmable semiconductor memory device with combined sense amplification and programming capability
09/15/1987US4694314 Semiconductor device
09/11/1987WO1987005432A1 Nonvolatile memory system having a testing capability
09/08/1987US4692923 Fault tolerant memory
09/08/1987US4692904 Semiconductor integrated circuit device
09/08/1987US4692902 Semiconductor read only memory device with improved access time
09/08/1987US4692787 Small size and reduced current needs improve reliability and ease of programming
09/02/1987EP0234907A2 Semiconductor memory device with redundant memory cell
09/01/1987US4691299 Method and apparatus for reusing non-erasable memory media
09/01/1987US4691298 Semiconductor memory
09/01/1987US4691216 Semiconductor memory device
08/1987
08/19/1987EP0232797A2 Pseudo-microprogramming in microprocessor with compressed control ROM and with strip layout of busses, alu and registers
08/19/1987EP0232796A2 Pseudo-microprogramming in microprocessor with compressed control ROM and with strip layout of busses, alu and registers
08/19/1987EP0232565A2 Field-programmable device with buffer between programmable circuits
08/19/1987CN86100708A Firmware for data compression of code set of input system for diphthong coding of chinese character computer
08/18/1987US4687989 CMDS integrated circuit for specifying a circuit parameter
08/12/1987EP0231903A2 Semiconductor memory device
08/12/1987EP0231438A2 Information recording system
08/11/1987US4686651 Memory integrated circuit component
08/11/1987US4686558 CMOS memory cell having an electrically floating storage gate
08/11/1987CA1225461A1 One step write circuit arrangement for eeproms
08/05/1987EP0231041A1 Non-volatile, programmable semiconductor memory
08/05/1987EP0230960A2 Microcomputer having a highspeed operation mode and a low-speed operation mode
08/04/1987US4685084 Apparatus for selecting alternate addressing mode and read-only memory
08/04/1987US4685083 Improved nonvolatile memory circuit using a dual node floating gate memory cell
07/1987
07/30/1987DE3602112A1 System zur speicherung von informationen System for storing information
07/28/1987US4683554 Direct write nonvolatile memory cells
07/22/1987EP0229081A1 Programmable read only memory adaptive row driver circuit and output circuit
07/21/1987US4682204 Fuse element for integrated circuit memory device
07/14/1987US4680736 Method for operating a user memory designed a non-volatile write-read memory, and arrangement for implementing the method
07/14/1987US4680735 Semiconductor memory device
07/09/1987EP0138906A4 Redundant memory circuit and method of programming and verifying the circuit.
07/08/1987EP0228283A2 Semiconductor memory circuit having inspection circuit
07/08/1987EP0227965A2 Method for ion implant programming NMOS read-only memories and NMOS read-only memory obtained thereby
07/07/1987US4679085 Digital integrated electronic storage system for video and audio playback
07/02/1987WO1987003997A1 Bipolar programmable memory and method
07/02/1987DE3643994A1 Voltage multiplier circuit
07/01/1987EP0227549A2 Semiconductor memory device including read only memory element for storing fixed information
07/01/1987EP0227464A2 High density read-only memory
07/01/1987EP0227128A2 Memory device including a sense amplifier
06/1987
06/30/1987US4677591 Semiconductor memory device
06/25/1987DE3544981A1 Vehicle with semi- or fully automatic transmission control
06/24/1987CN85109282A Computer intelligent external memory storage device
06/23/1987US4675513 EPROM programmer
06/18/1987WO1987001859A3 Nonvolatile memory cell
06/16/1987EP0225442A2 Equalized biased array for proms and eproms
06/16/1987EP0225441A2 Programming current controller
06/10/1987EP0225122A2 Column driver circuit for matrix array ROM
06/10/1987EP0224887A1 Gate array arrangement using the CMOS technique
06/10/1987EP0224857A1 Junction shortening-type semiconductor read-only memory
06/09/1987US4672578 Method of information recording on a semiconductor wafer
06/09/1987US4672576 Programmable read only memory output circuit
06/03/1987EP0224418A1 A programmable element for a semiconductor integrated circuit chip
06/03/1987EP0224206A2 Integrated circuit memory
06/03/1987EP0224125A2 Sense amplifier for a non-volatile memory
06/02/1987US4670859 Logic circuit
06/02/1987US4670708 Short detector for fusible link array using a pair of parallel connected reference fusible links
05/1987
05/27/1987EP0223188A2 Semiconductor programmable memory device
05/26/1987US4668932 Nonvolatile reprogrammable electronic potentiometer
05/13/1987EP0221104A1 Voltage multiplier circuit.
05/12/1987US4665504 Fast switching
05/12/1987US4665428 Semiconductor device
05/06/1987EP0040251B1 Semiconductor memory device
05/05/1987CA1221466A1 Memory subsystem
04/1987
04/28/1987US4661927 Integrated Schottky logic read only memory
04/28/1987US4661926 Bit line gain circuit for read only memory
04/23/1987WO1987002504A1 Current metering apparatus
04/15/1987EP0218342A2 Memory cells for integrated circuits
04/15/1987EP0217846A1 Electrically programmable read-only memory.
04/14/1987USRE32401 Quaternary FET read only memory
04/14/1987US4658380 CMOS memory margining control circuit for a nonvolatile memory
04/14/1987US4658253 Internally synchronous matrix structure for use in externally asynchronous programmable devices
04/14/1987US4658158 Voltage sense amplifier using NMOS
04/14/1987US4658156 Voltage detection circuit for detecting input voltage larger in absolute value than power supply voltage
04/14/1987US4656729 Plasma-enhanced or low-pressure chemical vapor deposition
04/14/1987CA1220560A1 Semiconductor device
04/08/1987EP0217718A2 Nonvolatile memory circuit
04/07/1987US4656606 Semiconductor memory device providing a selection circuit change-over arrangement
04/01/1987EP0216246A1 Semiconductor programmable memory device
03/1987
03/31/1987US4654831 High speed CMOS current sense amplifier
03/31/1987US4654828 Nonvolatile semiconductor memory
03/31/1987US4654825 E2 prom memory cell
03/31/1987US4654688 Semiconductor device having a transistor with increased current amplification factor
03/26/1987WO1987001859A2 Nonvolatile memory cell
03/25/1987EP0215455A2 Write circuit for an erasable programmable read only memory device of a microcomputer
03/18/1987EP0214914A2 Test method for detecting faulty memory cells in a programmable semiconductor device
03/18/1987EP0214451A2 Read-only memory-programming arrangement
03/17/1987US4651308 LSI memory circuit
03/17/1987US4651305 Sense amplifier bit line isolation scheme
03/17/1987US4651302 Read only memory including an isolation network connected between the array of memory cells and the output sense amplifier whereby reading speed is enhanced
03/17/1987US4650742 Recording media with recording layer of two metal layers sandwiching sublimable organic substance layer
03/17/1987US4649629 Method of late programming a read only memory
03/17/1987CA1219369A1 Semiconductor memory
03/11/1987EP0213983A2 Method of late programming a read only memory
03/11/1987EP0213638A2 Programmable semiconductor read only memory device
03/11/1987EP0213503A2 Semiconductor memory circuit including bias voltage generator
03/10/1987US4649521 Programmable read-only memory (PROM) device having reduced programming voltage capability
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