| 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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| 05/03/1988 | US4742491 Memory cell having hot-hole injection erase mode |
| 05/03/1988 | US4742486 Semiconductor integrated circuit having function for switching operational mode of internal circuit |
| 05/03/1988 | US4742253 Integrated insulated-gate field-effect transistor circuit for evaluating the voltage of a node to be sampled against a fixed reference voltage |
| 04/27/1988 | EP0265312A1 Integrated circuit of the logic type comprising an EEPROM |
| 04/26/1988 | US4740925 Extra row for testing programmability and speed of ROMS |
| 04/19/1988 | CA1235506A1 Integrated circuit comprising field effect transistors and a programmable read-only memory |
| 04/19/1988 | CA1235505A1 Circuit for generating the programming voltage for an erasable read-only memory |
| 04/12/1988 | US4737936 Semiconductor memory device having improved write-verify operation |
| 04/12/1988 | US4737835 Read only memory semiconductor device |
| 04/06/1988 | EP0262675A1 Semiconductor memory device with improved cell arrangement |
| 04/06/1988 | EP0262193A1 Process for forming a fuse programmable read-only memory device. |
| 04/05/1988 | US4736342 Method of forming a field plate in a high voltage array |
| 04/05/1988 | US4736202 Electrostatic binary switching and memory devices |
| 04/05/1988 | CA1234920A1 Rom protection scheme |
| 03/29/1988 | US4734886 Auxiliary word line driver for effectively controlling programmability of fusible links |
| 03/29/1988 | US4734885 Programming arrangement for programmable devices |
| 03/29/1988 | US4734599 Circuit for multiplying a pump clock voltage |
| 03/24/1988 | WO1988002174A2 Nonvolatile memory cell array |
| 03/24/1988 | WO1988002173A2 Nonvolatile memory cell |
| 03/24/1988 | WO1988002172A2 Non-volatile memory with floating grid and without thick oxide |
| 03/22/1988 | US4733375 Non-volatile memory circuit |
| 03/22/1988 | US4733371 Semiconductor memory device with high voltage switch |
| 03/16/1988 | EP0259614A1 Memory for digital electronical signals |
| 03/16/1988 | EP0259444A1 Nonvolatile memory system having a testing capability. |
| 03/08/1988 | US4730274 Non-volatile memory with predictable failure modes and method of data storage and retrieval |
| 03/08/1988 | US4730273 On-chip programmability verification circuit for programmable read only memory having lateral fuses |
| 03/08/1988 | US4730129 Integrated circuit having fuse circuit |
| 03/01/1988 | US4729117 Semiconductor memory device |
| 03/01/1988 | US4729116 Bipolar programmable read only memory attaining high speed data read operation |
| 02/23/1988 | US4727514 Programmable memory with memory cells programmed by addressing |
| 02/23/1988 | US4727269 Temperature compensated sense amplifier |
| 02/17/1988 | EP0255963A2 Nonvolatile semiconductor memory including means for detecting completion of writing operation |
| 02/16/1988 | US4725986 FET read only memory cell with word line augmented precharging of the bit lines |
| 02/16/1988 | US4725984 CMOS eprom sense amplifier |
| 02/16/1988 | US4725983 Nonvolatile semiconductor memory device |
| 02/16/1988 | US4725980 Read only memory circuit |
| 02/16/1988 | US4725979 Emitter coupled logic circuit having fuse programmable latch/register bypass |
| 02/16/1988 | US4725742 Semiconductor integrated circuit having a tree circuit |
| 02/10/1988 | EP0255769A2 Programming an ECL prom |
| 02/02/1988 | US4723225 Programming current controller |
| 02/02/1988 | US4722822 Column-current multiplexing driver circuit for high density proms |
| 02/02/1988 | CA1232365A1 Dual electron injection structure and process with self-limiting oxidation barrier |
| 01/27/1988 | EP0254602A2 Read only memory |
| 01/26/1988 | US4722075 Equalized biased array for PROMS and EPROMS |
| 01/26/1988 | US4721871 High voltage MOS switch circuit with isolation |
| 01/19/1988 | US4720818 Semiconductor memory device adapted to carry out operation test |
| 01/19/1988 | US4720816 Programming of an EPROM |
| 01/14/1988 | WO1988000372A1 One-time programmable data security system for programmable logic device |
| 01/13/1988 | EP0252794A1 Device for detecting the functioning of the sensing system of an EPROM or an EEPROM memory cell |
| 01/13/1988 | EP0252654A2 Memory device with programmable output structures |
| 01/13/1988 | EP0252325A2 Semiconductor device having a fuse circuit and a detecting circuit for detecting the states of the fuses in the fuse circuit |
| 01/13/1988 | EP0140965B1 Method of making a nonvolatile semiconductor memory device |
| 01/12/1988 | US4719603 Semiconductor memory having a dynamic level detecting means for detecting a level of a word line |
| 01/12/1988 | US4719599 Programmable read-only memory device provided with test cells |
| 01/12/1988 | US4719598 Bit addressable programming arrangement |
| 01/07/1988 | EP0251889A1 Method for programming data into an electrically programmable read-only-memory |
| 01/07/1988 | EP0251429A2 Non-volatile semiconductor memory |
| 01/07/1988 | EP0250930A2 Multiple ROM data state, read/write memory cell |
| 01/07/1988 | EP0250479A1 Current metering apparatus. |
| 01/07/1988 | EP0250467A1 Bipolar programmable memory and method |
| 01/05/1988 | US4718042 Non-destructive method and circuit to determine the programmability of a one time programmable device |
| 01/05/1988 | US4718041 EEPROM memory having extended life |
| 01/05/1988 | US4718038 Data security device for storing data at a peripheral part of the device during power down thus preventing improper retrieval |
| 12/29/1987 | US4716547 Current switch for programming vertical fuses of a read only memory |
| 12/23/1987 | EP0250242A2 Semiconductor memory device having erroneous write operation preventing circuit |
| 12/23/1987 | EP0250078A2 Programmable low impedance interconnect circuit element |
| 12/22/1987 | US4715014 Modified three transistor EEPROM cell |
| 12/15/1987 | US4713797 Current mirror sense amplifier for a non-volatile memory |
| 12/15/1987 | US4713792 Programmable macrocell using eprom or eeprom transistors for architecture control in programmable logic circuits |
| 12/09/1987 | EP0248353A2 Memory address circuit having function of exchanging selected bits of address input |
| 12/02/1987 | EP0247739A2 Semiconductor nonvolatile memory device |
| 12/01/1987 | US4710900 Non-volatile semiconductor memory device having an improved write circuit |
| 11/25/1987 | EP0120939B1 Selectively operable electrical connection circuit |
| 11/24/1987 | US4709352 MOS read-only memory systems |
| 11/19/1987 | WO1987007071A1 In-system programmable logic device |
| 11/17/1987 | US4707806 Semiconductor integrated circuit device having fuse-type information storing circuit |
| 11/17/1987 | US4707718 Read-only memory |
| 11/11/1987 | EP0244628A1 Sense amplifier for a semiconductor memory device |
| 11/10/1987 | US4706219 Word length selectable memory |
| 10/27/1987 | US4703455 Bipolar programmable memory and method |
| 10/27/1987 | US4703453 Semiconductor memory with an improved dummy cell arrangement and with a built-in error correcting code circuit |
| 10/27/1987 | US4703196 High voltage precharging circuit |
| 10/21/1987 | EP0241699A2 Semiconductor memory device using junction short type programmable element |
| 10/21/1987 | EP0241693A2 Memory device with reduced power consumption |
| 10/20/1987 | US4701886 Semiconductor integrated circuit device |
| 10/20/1987 | US4701636 Programming voltage control circuit for programmable array logic device |
| 10/20/1987 | CA1228424A1 Semiconductor device |
| 10/14/1987 | EP0241327A2 Sense amplifier for programmable read only memory |
| 10/13/1987 | US4700125 Power supply switching circuit |
| 10/08/1987 | WO1987006059A1 Process for forming a fuse programmable read-only memory device |
| 10/08/1987 | WO1987006049A1 System for writing rom cassette for a programmable machine controller |
| 10/07/1987 | EP0239968A2 Nonvolatile semiconductor memory device |
| 10/06/1987 | US4698790 Programmable read only memory adaptive row driver circuit |
| 10/06/1987 | US4698787 Single transistor electrically programmable memory device and method |
| 10/06/1987 | US4698617 ROM Protection scheme |
| 09/30/1987 | EP0239283A2 Microcomputer |
| 09/30/1987 | EP0238812A2 Sense amplifier circuit for semiconductor memory |
| 09/29/1987 | US4697106 Programmable memory circuit |
| 09/29/1987 | CA1227572A1 Charge pump system for non-volatile ram |
| 09/23/1987 | EP0238366A1 Data read circuit for use in semiconductor memory device |