| Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133) |
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| 06/05/1990 | US4931763 Memory switches based on metal oxide thin films |
| 06/05/1990 | US4931128 Electronic parts processing machine |
| 05/30/1990 | EP0370558A2 Writing process with a checkerboard pattern for a matrix of EEPROM memory cells and device for executing the above process |
| 05/30/1990 | EP0370529A2 Microcomputer having EEPROM |
| 05/30/1990 | EP0370432A2 High speed differential sense amplifier for use with single transistor memory cells |
| 05/30/1990 | EP0370416A2 Novel architecture for a flash erase EPROM memory |
| 05/30/1990 | EP0370308A2 Non-volatile semiconductor memory device having, at the prestage of an address decoder, a level shifter for generating a program voltage |
| 05/29/1990 | US4930107 Method and apparatus for programming and verifying programmable elements in programmable devices |
| 05/29/1990 | US4930105 Nonvolatile semiconductor memory device with a double gate structure |
| 05/29/1990 | US4930097 Architecture for an improved performance of a programmable logic device |
| 05/29/1990 | US4930067 Microcomputer having a high-speed operation mode and a low-speed operation mode with intermittent disabling of sense amplifiers |
| 05/23/1990 | EP0369027A1 Rom writing apparatus |
| 05/23/1990 | EP0368859A1 Programmable circuits. |
| 05/23/1990 | CN1042433A Versatile control system utilizing microcontroller |
| 05/22/1990 | US4928261 CMOS read-only memory with static operation |
| 05/16/1990 | EP0368310A2 Nonvolatile memory device capable of outputting correct read data at proper time |
| 05/16/1990 | EP0145595B1 Integrated circuit device |
| 05/15/1990 | US4926379 Data read circuit for use in semiconductor memory device |
| 05/15/1990 | US4926070 Voltage level converting circuit |
| 05/09/1990 | EP0367443A1 Ferroelectric memory |
| 05/09/1990 | EP0366656A1 Connection network for adjustable circuit connection, in particular programmable circuits. |
| 05/08/1990 | US4924438 Non-volatile semiconductor memory including a high voltage switching circuit |
| 05/02/1990 | EP0366403A2 A semiconductor memory device |
| 05/02/1990 | EP0365720A1 Programmable semiconductor memory |
| 05/01/1990 | US4922441 Gate array device having a memory cell/interconnection region |
| 05/01/1990 | US4922319 Semiconductor programmable memory device |
| 05/01/1990 | US4922133 Voltage detecting circuit |
| 04/24/1990 | US4920516 Read only memory circuit having a precharged selected bit line |
| 04/24/1990 | CA1268255A1 Field-programmable device with buffer between programmable circuits |
| 04/11/1990 | EP0362715A2 Memory comprising a programmable static selection circuit for programmable devices |
| 04/11/1990 | EP0252794B1 Device for detecting the functioning of the sensing system of an eprom or an eeprom memory cell |
| 04/11/1990 | EP0199744B1 Fault tolerant memory array |
| 04/10/1990 | US4916662 IC card including high input voltage detection and suppression |
| 04/04/1990 | EP0361972A2 Non-volatile semiconductor memory device with nand type memory cell arrays |
| 03/28/1990 | EP0360504A2 One transistor flash eprom cell |
| 03/27/1990 | US4912749 Nonvolatile semiconductor memory |
| 03/27/1990 | US4912674 Read-only memory |
| 03/22/1990 | EP0229081A4 Programmable read only memory adaptive row driver circuit and output circuit. |
| 03/21/1990 | EP0359561A2 Sense amplifier precharge control |
| 03/21/1990 | EP0359404A2 Non-volatile memory cell and sensing method |
| 03/20/1990 | US4910707 EEPROM with protective circuit |
| 03/20/1990 | US4910162 Integrated circuit; containing silicon switch transistor |
| 03/14/1990 | EP0160003B1 Mos floating gate memory cell and process for fabricating same |
| 03/13/1990 | US4908799 Device to detect the functioning of the read system of an EPROM or EEPROM memory cell |
| 03/13/1990 | US4908692 Fuse-containing semiconductor device |
| 03/08/1990 | WO1990002405A1 Transistor breakdown protection circuit |
| 03/07/1990 | EP0357503A2 Programmable read only memory having bipolar complementary metal oxide semiconductor structure |
| 03/07/1990 | EP0357502A2 Programmable semiconductor memory circuit |
| 03/07/1990 | EP0357278A2 Versatile control system utilizing a microcontroller |
| 03/07/1990 | EP0357213A2 Low power sense amplifier for programmable logic device |
| 03/07/1990 | EP0356650A2 Driving circuitry for EEPROM memory cell |
| 02/28/1990 | EP0355768A2 Semiconductor memory cells and semiconductor memory device employing the semiconductor memory cells |
| 02/27/1990 | US4905314 Semiconductor integrated circuit device having an object circuit to which output voltages of the sub- and main booster circuits are applied |
| 02/27/1990 | US4905197 Semiconductor memory having circuitry for discharging a digit line before verifying operation |
| 02/27/1990 | US4905195 Semiconductor memory |
| 02/27/1990 | US4905140 Semiconductor integrated circuit device |
| 02/21/1990 | EP0151849B1 Information storing circuit using blown and unblown fuses |
| 02/20/1990 | US4903265 Method and apparatus for post-packaging testing of one-time programmable memories |
| 02/20/1990 | US4903235 Semiconductor memory |
| 02/20/1990 | US4903111 Integrated circuit device |
| 02/20/1990 | US4903097 CCD read only memory |
| 02/14/1990 | EP0354658A2 Method and apparatus for programming and verifying programmable elements in programmable devices |
| 02/14/1990 | EP0354457A2 A bipolar field-effect electrically erasable programmable read only memory cell and method of manufacture |
| 02/13/1990 | US4901320 Self-correcting semiconductor memory device and microcomputer incorporating the same |
| 02/13/1990 | US4901285 High density read-only memory |
| 02/13/1990 | US4901281 Semiconductor memory device having two column transfer gate transistor groups independently provided for a sense amplifier and a programmed circuit |
| 02/13/1990 | CA1265868A1 High density read-only memory |
| 02/06/1990 | US4899315 Low-power, noise-resistant read-only memory |
| 02/06/1990 | US4899309 Current sense circuit for a ROM system |
| 02/06/1990 | US4899308 High density ROM in a CMOS gate array |
| 02/06/1990 | US4899205 Electrically-programmable low-impedance anti-fuse element |
| 02/06/1990 | US4899066 OR-type CMOS logic circuit with fast precharging |
| 01/31/1990 | EP0352830A1 Tablecloth matrix of EPROM memory cells individually accessible by a traditional decoder |
| 01/25/1990 | WO1990000801A1 High density integrated circuit analog signal recording and playback system |
| 01/24/1990 | EP0352111A2 Semiconductor memory device |
| 01/23/1990 | US4896300 Microprocessor including a microprogram ROM having a dynamic level detecting means for detecting a level of a word line |
| 01/23/1990 | US4896298 Read circuit for memory |
| 01/23/1990 | US4896295 Eprom memory cell with two symmetrical half-cells and separate floating gates |
| 01/17/1990 | EP0351316A1 Process for manufacturing an integrated memory-cell |
| 01/17/1990 | EP0350771A2 Electrically erasable, electrically programmable read-only memory cell with a self-aligned tunnel window |
| 01/16/1990 | US4894353 Method of fabricating passivated tunnel oxide |
| 01/10/1990 | EP0349775A2 Flash eeprom memory systems and methods of using them |
| 01/10/1990 | EP0349774A2 Highly compact eprom and flash eeprom divices |
| 01/09/1990 | US4893281 Semiconductor memory system with programmable address decoder |
| 01/09/1990 | US4893275 High voltage switching circuit in a nonvolatile memory |
| 01/09/1990 | US4893273 Semiconductor memory device for storing image data |
| 01/08/1990 | EP0171418A4 Crash survivable solid state memory for aircraft flight data recorder systems. |
| 01/04/1990 | DE3921014A1 Read-only memory with reduced programming threshold voltage and operating method for it |
| 01/03/1990 | EP0348895A2 Semiconductor memory device provided with low-noise power supply structure |
| 01/03/1990 | EP0348893A2 High speed non-volatile memory device |
| 01/03/1990 | EP0348487A1 Rom cell and array configuration |
| 01/02/1990 | US4891791 Data writing system for EEPROM |
| 01/02/1990 | US4891683 Semiconductor integrated circuit |
| 12/27/1989 | EP0347970A2 Read-only memory test method, and device for carrying out the method |
| 12/27/1989 | EP0347909A2 Nonvolatile memory circuit device performing stable operation in wide range of power source voltage level |
| 12/27/1989 | CN2050214U State base-multiple way switch array rom |
| 12/26/1989 | US4890259 High density integrated circuit analog signal recording and playback system |
| 12/20/1989 | EP0347194A2 Non-volatile semi-conductor memory device |
| 12/20/1989 | EP0347093A2 Electronic memory |
| 12/20/1989 | EP0346340A1 Read-only memory for a gate array arrangement |