Patents
Patents for G11C 16 - Erasable programmable read-only memories (44,373)
08/1989
08/15/1989US4858187 Programming implementation circuit
08/15/1989US4858186 A circuit for providing a load for the charging of an EPROM cell
08/15/1989US4858185 Zero power, electrically alterable, nonvolatile latch
08/09/1989EP0326885A2 Sequential read access of serial memories with a user defined starting address
08/09/1989EP0326883A2 Zero power, electrically alterable, nonvolatile latch
08/09/1989EP0326878A2 Decoder driver circuit for programming high-capacitance lines
08/08/1989US4855955 Three transistor high endurance eeprom cell
08/02/1989EP0326465A1 Floating-gate EEPROM memory with a transistor for source line selection
08/02/1989EP0326296A2 High-speed data latch with zero data hold time
08/02/1989EP0326053A2 Programmable memory data protection scheme
08/02/1989EP0326004A2 Circuit for sensing the state of matrix cells in MOS EPROM memories
08/01/1989US4853761 Semiconductor device
07/1989
07/25/1989US4852062 EPROM device using asymmetrical transistor characteristics
07/25/1989US4851720 Low power sense amplifier for programmable logic device
07/25/1989US4851364 Method of forming well regions for field effect transistors utilizing self-aligned techniques
07/20/1989DE3800396A1 Circuit arrangement for programming a read-only memory which can be written repeatedly
07/18/1989US4849942 Protection device for an erasable and reprogrammable read only memory
07/18/1989US4849935 Semiconductor memory including transparent latch circuits
07/13/1989WO1989006429A1 Rom cell and array configuration
07/11/1989US4847811 Pre-charging circuit for word lines of a memory system, in particular with programmable cells
07/05/1989EP0323156A2 Voltage multiplier circuit
07/05/1989EP0323078A2 Electrically-programmable low-impedance anti-fuse element
07/05/1989EP0322900A2 Electrically erasable programmable read-only memory with NAND cell structure
07/04/1989US4845680 Nonvolatile semiconductor memory device
07/04/1989US4845675 High-speed data latch with zero data hold time
07/04/1989US4845538 E2 prom cell including isolated control diffusion
06/1989
06/29/1989WO1989006068A1 Low power voltage clamp circuit
06/28/1989EP0322002A2 Voltage supply switching device for nonvolatile memories in MOS technology
06/28/1989EP0321933A2 Device for controlling a Read-only memory, and electronic cash register having such a device
06/28/1989EP0321727A1 Method and circuit to protect EEPROM memories against devaluation manipulation
06/27/1989US4843594 Nonvolatile semiconductor memory device with a bias circuit
06/27/1989US4843026 Architecture modification for improved ROM security
06/21/1989EP0320916A2 Electrically erasable and programmable read only memory using stacked-gate cell
06/21/1989EP0320779A2 Sense amplifier
06/21/1989EP0267271A4 In-system programmable logic device.
06/20/1989US4841482 Leakage verification for flash EPROM
06/15/1989WO1989005545A1 Improved low power dual-mode cmos bias voltage generator
06/07/1989EP0319066A2 Bias and precharging circuit for a bit line of EPROM memory cells in CMOS technology
06/06/1989US4837748 Counting RAM
06/06/1989US4837744 Integrated circuit of the logic circuit type comprising an electrically programmable non-volatile memory
06/06/1989US4837742 Electrically programmable ROM
06/06/1989US4837466 Delay circuit
05/1989
05/31/1989EP0317984A2 Nonvolatile memory
05/31/1989EP0317939A2 Input circuit incorporated in a semiconductor device
05/31/1989EP0178512B1 Mos circuit including an eeprom
05/30/1989US4835742 Word-by-word electrically reprogrammable non-volatile memory and method of operation thereof
05/30/1989US4835741 Frasable electrically programmable read only memory cell using a three dimensional trench floating gate
05/24/1989EP0317443A1 Monolithic electronic device
05/24/1989EP0317442A1 Memory plane and process and prototype of definition of an electronic integrated circuit comprising such a memory plane
05/24/1989EP0317324A2 Programmable semiconductor memory
05/24/1989EP0317323A2 Programmable semiconductor memory
05/23/1989US4833646 Programmable logic device with limited sense currents and noise reduction
05/17/1989EP0315819A2 Method and apparatus for post-packaging testing of one-time programmable memories
05/16/1989US4831593 Semiconductor memory
05/16/1989US4831592 Nonvolatile semiconductor memory device
05/16/1989US4831589 EEPROM programming switch operable at low VCC
05/10/1989EP0315257A1 Series-parallel-series memory comprising redundant storage columns, and picture memory comprising such series-parallel-series memories
05/09/1989US4829482 Current metering apparatus for optimally inducing field emission of electrons in tunneling devices and the like
05/09/1989US4829469 Security system for use with electronic postage meter to prevent lock erasure of data
05/09/1989US4829203 Integrated programmable bit circuit with minimal power requirement
05/02/1989US4827451 Safety device for the programming of an electrically programmable non-volatile memory
05/02/1989US4827450 Integrated circuit with memory comprising a fraud-prevention device
04/1989
04/26/1989EP0313431A1 Programming method for memory cells and circuit for carrying out this method
04/26/1989EP0312789A2 CMOS read-only electronic memory with static operation
04/19/1989EP0311773A2 Non-volatile memory cell
04/18/1989US4823320 Electrically programmable fuse circuit for an integrated-circuit chip
04/18/1989US4823318 Driving circuitry for EEPROM memory cell
04/18/1989US4823317 EEPROM programming switch
04/12/1989EP0311137A2 Non-volatile semiconductor memory device
04/11/1989US4821240 Semiconductor integrated circuit with nonvolatile memory
04/11/1989US4821239 Programmable sense amplifier for read only memory
04/11/1989US4820941 Decoder driver circuit for programming high-capacitance lines
04/05/1989EP0310194A1 Continuous process for producing linear, secondary, aliphatic alcohol ethoxylates
04/04/1989US4819212 Nonvolatile semiconductor memory device with readout test circuitry
04/04/1989US4818900 Predecode and multiplex in addressing electrically programmable memory
03/1989
03/30/1989DE3831538A1 Non-volatile semiconductor memory with NAND cell structure
03/29/1989EP0309180A2 Semiconductor non-volatile memory device
03/28/1989US4817055 Semiconductor memory circuit including bias voltage generator
03/22/1989EP0307958A2 Eeprom system with bit error detecting function
03/21/1989US4814849 Monolithically integrated semiconductor circuit
03/15/1989EP0306990A2 Semiconductor memory device with dummy cell array
03/15/1989EP0306962A2 Single-chip microcomputer
03/15/1989EP0128947B1 Integrated circuit voltage multiplier
03/14/1989US4813018 Nonvolatile semiconductor memory device
03/14/1989US4812675 Security element circuit for programmable logic array
03/09/1989WO1989002151A1 Electronic circuit with an eeprom as semiconductor memory for a motor vehicle
03/07/1989US4811294 Data integrity verifying circuit for electrically erasable and programmable read only memory (EEPROM)
03/07/1989US4811293 Method for storing data in an electrically erasable memory for carrying out this method
03/07/1989US4811292 Semiconductor memory in which data readout operation is carried out over wide power voltage range
03/07/1989US4811291 Safety device for electrically programmable read-only memory
03/07/1989US4811287 EEPROM mounting device
03/07/1989CA1250954A1 Programmable reference voltage generator for a read only memory
03/01/1989EP0304850A2 Programmable sense amplifier for read only memory
02/1989
02/28/1989US4809231 Method and apparatus for post-packaging testing of one-time programmable memories
02/28/1989US4809228 Semiconductor memory device having controllable redundant scheme
02/28/1989US4809227 Read only memory device having memory cells each storing one of three states
02/28/1989US4809224 Read only memory device with memory cells each storing one of three states
02/21/1989US4807188 Nonvolatile memory device with a high number of cycle programming endurance
02/21/1989US4807114 Microcomputer with internally and externally programmed eprom
02/21/1989US4807003 High-reliablity single-poly eeprom cell