Patents
Patents for G11C 16 - Erasable programmable read-only memories (44,373)
02/1995
02/07/1995US5388071 Semiconductor memory device regulable in access time after fabrication thereof
02/07/1995US5388070 Storage arrangement and method for operating the arrangement
02/07/1995US5388069 Nonvolatile semiconductor memory device for preventing erroneous operation caused by over-erase phenomenon
02/01/1995EP0637035A1 Circuit structure for a memory matrix and corresponding manufacturing method
02/01/1995EP0636260A1 Externally updatable rom (eurom)
02/01/1995CN1098221A Nonvolatile semiconductor memories with a cell structure suitable for a high speed operation and a low power supply voltage
02/01/1995CN1098220A Safety semiconductor memery unit
01/1995
01/31/1995US5386533 Method and apparatus for maintaining variable data in a non-volatile electronic memory device
01/31/1995US5386422 Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
01/31/1995US5386388 Single cell reference scheme for flash memory sensing and program state verification
01/31/1995US5386381 Mask read only memory (ROM) for storing multi-value data
01/31/1995US5386158 Sensing circuit for a floating gate memory device
01/31/1995US5386132 Multimedia storage system with highly compact memory device
01/26/1995WO1995002884A1 Memory element, monvolatile memory, nonvolatile storage device, and method for storing information by use of the storage device
01/25/1995EP0635838A2 Voltage generation circuit
01/24/1995US5384749 Circuit for the management of memory words
01/24/1995US5384743 Structure and method for flash eprom memory erasable by sectors
01/24/1995US5384742 Non-volatile semiconductor memory
01/18/1995EP0634750A2 Apparatus and method for reading multi-level data stored in a semiconductor memory
01/18/1995EP0582710A4 Electrically programmable memory cell.
01/18/1995EP0509633B1 Semiconductor memory
01/12/1995DE4422791A1 Semiconductor device with inversion-inducing gate
01/12/1995DE4422453A1 Method and circuit for selectively inhibiting cell blocks in a memory matrix
01/11/1995EP0633576A2 Semiconductor integrated circuit
01/10/1995US5381556 Semiconductor device having externally programmable memory
01/10/1995US5381375 Memory device
01/10/1995US5381374 Memory cell data output circuit having improved access time
01/10/1995US5381369 Nonvolatile semiconductor memory device using a command control system
01/10/1995US5381366 Non-volatile semiconductor memory device with timer controlled re-write inhibit means
01/10/1995US5381051 High voltage charge pump
01/05/1995WO1995000954A1 A grounded memory core for roms, eproms, and eeproms
01/05/1995WO1995000953A1 Constant high voltage generator
01/04/1995EP0632594A2 Latch controlled output driver
01/04/1995EP0632464A1 Microcontroller memory cell current reading method
01/03/1995US5379401 Flash memory card including circuitry for selectively providing masked and unmasked ready/busy output signals
01/03/1995US5379262 Nonvolatile semiconductor memory device
01/03/1995US5379256 Non-volatile semiconductor memory system
01/03/1995US5379254 Asymmetrical alternate metal virtual ground EPROM array
01/03/1995US5379253 High density EEPROM cell array with novel programming scheme and method of manufacture
01/03/1995US5379249 UPROM programming protect circuit
12/1994
12/28/1994EP0631369A1 Voltage multiplier for high output current with a stabilized output voltage
12/28/1994EP0631286A2 Semiconductor memory device capable of reducing noise
12/28/1994EP0631285A1 Voltage supply detection and switching system for content addressable memory (CAM)
12/28/1994EP0631284A1 Protection circuit for devices comprising nonvolatile memories
12/28/1994EP0630513A1 A floating gate memory array device having improved immunity to write disturbance
12/28/1994CN1096900A Nonvolatile semiconductor integrated circuit having an address transition detector
12/27/1994US5377149 Output precharge circuit for memory
12/27/1994US5377147 Method and circuitry for preconditioning shorted rows in a nonvolatile semiconductor memory incorporating row redundancy
12/27/1994US5377145 Circuitry and method for programming and erasing a non-volatile semiconductor memory
12/21/1994EP0630111A2 Output buffer circuit for a low voltage device
12/21/1994EP0630027A1 Method to guarantee integrity of writing of sensitive data in an EEPROM memory card and corresponding memory card.
12/21/1994EP0440653B1 High density integrated circuit analog signal recording and playback system
12/20/1994US5375222 Flash memory card with a ready/busy mask register
12/20/1994US5375094 Nonvolatile semiconductor memory system with a plurality of erase blocks
12/20/1994US5375083 Semiconductor integrated circuit including a substrate having a memory cell array surrounded by a well structure
12/15/1994DE4342821C1 Electronic memory circuit
12/14/1994EP0282528B1 Nonvolatile memory cell
12/08/1994WO1994028629A1 Negative voltage generator for flash eprom design
12/08/1994WO1994028554A1 Fast flash eprom programming and pre-programming circuit design
12/08/1994WO1994028551A1 Flash eprom with block erase flags for over-erase protection
12/08/1994WO1994028549A2 Erase and program verification circuit for non-volatile memory
12/07/1994EP0627742A2 Semiconductor memory device and method of manufacturing the same
12/06/1994US5371709 Power management system for serial EEPROM device
12/06/1994US5371706 Circuit and method for sensing depletion of memory cells
12/06/1994US5371705 Internal voltage generator for a non-volatile semiconductor memory device
12/06/1994US5371703 Single-bit output type memory including bipolar selection transistors
12/06/1994US5371702 Block erasable nonvolatile memory device
11/1994
11/30/1994EP0546048B1 Method and device for updating information in a memory and use thereof in memory cards
11/30/1994CN1095864A An eeprom circuit, a memory device having the eeprom circuit and an iccard having the eeprom circuit
11/29/1994US5369754 Block specific status information in a memory device
11/29/1994US5369616 Method for assuring that an erase process for a memory array has been properly completed
11/29/1994US5369615 Method for optimum erasing of EEPROM
11/29/1994US5369609 Floating gate memory array with latches having improved immunity to write disturbance, and with storage latches
11/29/1994US5369608 Apparatus for relieving standby current fail of memory device
11/24/1994WO1994027295A1 Non-volatile memory device and method for adjusting the threshold value thereof
11/22/1994US5367484 Programmable high endurance block for EEPROM device
11/22/1994US5367206 Output buffer circuit for a low voltage EPROM
11/17/1994EP0624880A1 Method and circuit for counting down the value of a debit-card
11/15/1994US5365486 Method and circuitry for refreshing a flash electrically erasable, programmable read only memory
11/15/1994US5365484 Independent array grounds for flash EEPROM array with paged erase architechture
11/15/1994US5365121 Charge pump with controlled ramp rate
11/15/1994US5364806 Method of making a self-aligned dual-bit split gate (DSG) flash EEPROM cell
11/10/1994DE4302223C2 Nicht-flüchtige Halbleiterspeichereinrichtung sowie Herstellungsverfahren dafür The non-volatile semiconductor memory device and manufacturing method thereof
11/09/1994EP0623959A2 EEPROM cell
11/09/1994EP0623934A2 Memory device programming apparatus
11/08/1994US5363340 Semiconductor memory
11/08/1994US5363335 Nonvolatile memory with automatic power supply configuration
11/08/1994US5363334 Write protection security for memory device
11/08/1994US5363330 Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming
11/02/1994EP0622808A1 Programming procedure and device for electrically reprogrammable non volatile memory and unit having such a device
11/02/1994EP0622807A2 Semiconductor memory device
11/02/1994EP0622806A2 Nonvolatile semiconductor memory device
11/02/1994EP0622801A2 Hierarchical bitline memory architecture
11/02/1994EP0621992A1 Feedback circuit for cmos high voltage generator to program (e)eprom-memory cells
11/02/1994EP0621991A1 High voltage generator having output current control.
11/01/1994US5361343 Microprocessor system including first and second nonvolatile memory arrays which may be simultaneously read and reprogrammed
11/01/1994US5361235 Method for erasing data stored in a non-volatile semiconductor memory by using a predetermined series of pulses
11/01/1994US5361228 IC memory card system having a common data and address bus
11/01/1994US5361227 Non-volatile semiconductor memory device and memory system using the same
11/01/1994US5361225 Nonvolatile memory device utilizing field effect transistor having ferroelectric gate film