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)
05/1995
05/02/1995US5412609 Nonvolatile semiconductor memory device
05/02/1995US5412608 Method of erasing data on non-volatile semi-conductor memory
05/02/1995US5412603 Method and circuitry for programming floating-gate memory cell using a single low-voltage supply
05/02/1995US5412594 Fuse trimming in plastic package devices
05/02/1995US5412593 Fuse and antifuse reprogrammable link for integrated circuits
05/02/1995US5412257 High efficiency N-channel charge pump having a primary pump and a non-cascaded secondary pump
04/1995
04/25/1995US5410511 Methods of controlling the erasing and writing of information in flash memory
04/25/1995US5410504 Memory based on arrays of capacitors
04/25/1995US5410501 Read-only memory
04/25/1995US5410268 Latching zero-power sense amplifier with cascode
04/25/1995US5410262 Data output buffer of a semiconductor integrated circuit
04/19/1995EP0649095A2 Nonvolatile storage with high speed data access
04/18/1995US5408433 Nonvolatile semiconductor memory device
04/18/1995US5408432 Non-volatile semiconductor memory device
04/18/1995US5408430 Method for operating nonvolatile memory semiconductor devices memories
04/18/1995US5408428 Programmable bit cell
04/18/1995US5408148 Sense amplifier for programmable memories with a virtually enhanced source of signal
04/18/1995US5408133 Ramp control circuit
04/18/1995US5407852 Method of making NOR-type ROM with LDD cells
04/12/1995EP0647947A2 Low voltage flash EEPROM X-cell using Fowler-Nordheim tunneling
04/12/1995EP0647943A1 Memory device
04/12/1995CN1101451A Nonvolatile semiconductor memories with a nand logic cell structure
04/11/1995US5406529 Flash non-volatile memory
04/11/1995US5406519 Real-only memory device incorporating storage memory array and security memory array coupled to comparator circuirtry
04/11/1995US5406517 Distributed negative gate power supply
04/11/1995US5406510 Non-volatile memory
04/09/1995CA2132784A1 Memory device
04/05/1995EP0646933A2 Method for programming floating-gate memory cells
04/05/1995EP0646924A1 Voltage booster circuit for generating both positive and negative boosted voltages
04/05/1995EP0646299A1 Flash e?2 prom array
04/04/1995US5404328 Memory cell having floating gate and semiconductor memory using the same
04/04/1995US5404049 Fuse blow circuit
04/04/1995US5403765 Method of manufacturing double-layer gate programmable ROM
03/1995
03/30/1995WO1995008824A1 Process for fully re-programming an erasable non-volatile store
03/29/1995EP0645774A2 Memory protection circuit for EPROM
03/29/1995EP0645714A1 Dynamic redundancy circuit for integrated circuit memory
03/29/1995EP0645713A1 Word line redundancy nonvolatile semiconductor memory
03/29/1995EP0645712A2 Semiconductor storage device with redundancy
03/29/1995EP0645046A1 Data writing to non-volatile memory
03/29/1995CN1100823A A flash memory and a microcomputer
03/28/1995US5402383 Electrically erasable non-volatile semiconductor memory device for selective use in boot block type or normal type flash memory devices
03/28/1995US5402380 Nonvolatile semiconductor memory device having a status register and test method for the same
03/28/1995US5402374 Non-volatile semiconductor memory device and memory circuit using the same
03/28/1995US5402373 Electrically erasable programmable read-only memory with electric field decreasing controller
03/28/1995US5402371 Method of writing data into and erasing the same from semiconductor nonvolatile memory
03/28/1995US5402370 Circuitry and method for selecting a drain programming voltage for a nonvolatile memory
03/28/1995US5401993 Non-volatile memory
03/28/1995US5401990 Read-only memory device
03/23/1995DE4433098A1 Semiconductor permanent memory device
03/22/1995EP0644656A2 Transistor circuits with a terminal for receiving high voltages and signals
03/22/1995EP0644554A2 Noise tolerant code setting circuit
03/22/1995CN1100553A Semiconductor nonvolatile momory device
03/21/1995US5400389 System for rewriting information in rewritable memory provided in portable remote terminal and portable remote terminal applicable to the system
03/21/1995US5400287 Method for erasing and verifying nonvolatile semiconductor memory device
03/21/1995US5400279 Nonvolatile semiconductor memory device with NAND cell structure
03/16/1995WO1995007536A1 Circuitry and method for selecting a drain programming voltage for a nonvolatile memory
03/16/1995WO1995007535A1 Flash eeprom using charge pumping
03/16/1995WO1995007534A1 Sequential programming of a flash eeprom memory
03/16/1995DE4437698A1 Structure for binary storage of data on integrated circuits by means of laser radiation and method for non-volatile data storage
03/14/1995US5398210 Semiconductor memory device having memory cells reorganizable into memory cell blocks different in size
03/14/1995US5398208 One-time PROM microcomputer
03/14/1995US5398202 Reprogrammable nonvolatile semiconductor memory formed of MOS transistors and reprogramming method thereof
03/14/1995US5397946 High-voltage sensor for integrated circuits
03/14/1995US5397939 Programming of antifuses
03/08/1995EP0642223A2 Latching zero-power sense amplifier with cascode
03/08/1995EP0642135A2 A nonvolatile semiconductor memory and its test method
03/08/1995EP0642133A2 Non-volatile memory device with a sense amplifier capable of copying back
03/08/1995EP0642132A2 Memory-unit sense amplifier
03/07/1995US5396471 Data protection circuit
03/07/1995US5396126 FPGA with distributed switch matrix
03/02/1995DE4429152A1 Microcomputer
03/01/1995EP0640985A2 Distributed negative gate power supplies
03/01/1995EP0640984A2 Floating gate memory device
03/01/1995EP0640983A1 Over-erased bit correction structure for semiconductor integrated circuit memory device
03/01/1995EP0640982A2 Non-volatile semiconductor memory device and data programming method
03/01/1995EP0640918A1 Semiconductor integrated circuit memory device
03/01/1995EP0640917A2 Roll call circuit for semi-conductor memory
03/01/1995EP0640228A1 Method and apparatus for reducing memory wearout in a computer system
02/1995
02/28/1995US5394375 Row decoder for driving word line at a plurality of points thereof
02/28/1995US5394372 Semiconductor memory device having charge-pump system with improved oscillation means
02/28/1995US5394371 Semiconductor memory device with shared sense amplifiers
02/28/1995US5394359 MOS integrated circuit with adjustable threshold voltage
02/22/1995EP0267271B1 In-system programmable logic device
02/21/1995US5392418 Programmable read only memory with output indicating programming state
02/21/1995US5392253 Nonvolatile semiconductor memory device having row decoder supplying a negative potential to word lines during erase mode
02/21/1995US5392238 Nonvolatile semiconductor memory device
02/21/1995US5392237 Semiconductor memory device with EEPROM in trench with polysilicon/metal contacting to source and drain in virtual ground type array
02/21/1995US5392236 Semiconductor memory device
02/21/1995US5392233 Read only memory capable of realizing high-speed read operation
02/15/1995EP0638906A2 Non-volatile semiconductor memory
02/14/1995US5390317 Technique to support progressively programmable nonvolatile memory
02/14/1995US5390148 Method of rewriting data in EEPROM, and EEPROM card
02/14/1995US5390147 Core organization and sense amplifier having lubricating current, active clamping and buffered sense node for speed enhancement for non-volatile memory
02/14/1995US5390146 Reference switching circuit for flash EPROM
02/14/1995US5390141 Voltage programmable links programmed with low current transistors
02/09/1995WO1995004355A1 Remotely re-programmable program memory for a microcontroller
02/07/1995US5388248 Flash memory card including plural flash memories and circuitry for selectively outputting ready/busy signals in different operating modes
02/07/1995US5388084 Non-volatile semiconductor memory device with high voltage generator
02/07/1995US5388078 Semiconductor memory device having current to voltage conversion type amplifier
02/07/1995US5388076 Semiconductor memory device
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