Patents
Patents for G11C 17 - Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards (10,133)
08/1986
08/06/1986EP0189594A2 Non-volatile semiconductor memory device
08/05/1986US4604749 Semiconductor memory
08/05/1986US4604732 Power supply dependent voltage reference circuit
08/05/1986US4604730 Semiconductor memory device
08/05/1986CA1209276A1 Microcomputer system employing program cartridges
07/1986
07/30/1986EP0188956A2 CMOS ROM data select circuit
07/29/1986US4603404 Semiconductor memory device with redundant cells
07/29/1986US4603402 Semiconductor device
07/29/1986US4603399 Data processing apparatus for address substitution
07/29/1986US4603341 Stacked double dense read only memory
07/23/1986EP0160003A4 Mos floating gate memory cell and process for fabricating same.
07/22/1986US4602354 X-and-OR memory array
07/15/1986US4601031 Repairable ROM array
07/15/1986US4601020 Semiconductor memory device
07/09/1986EP0186907A2 Non-volatile semiconductor memory device having an improved write circuit
07/09/1986EP0186855A2 Semiconductor read only memory device and method of manufacturing the same
07/08/1986US4599707 Byte wide EEPROM with individual write circuits and write prevention means
07/08/1986US4599706 Nonvolatile electrically alterable memory
07/08/1986US4599704 Read only memory circuit
07/08/1986US4599688 Semiconductor memory device having switching circuit for preventing channel leakage in constant current source
07/03/1986WO1986003879A1 Electrostatic binary switching and memory devices
07/02/1986EP0186054A2 Semiconductor memory device having improved write-verify operation
07/02/1986CN85102588A Microcomputer chinese system
07/01/1986US4598386 Reduced-area, read-only memory
06/1986
06/24/1986US4597064 Electrically programmable memory matrix
06/17/1986US4595875 Short detector for PROMS
06/11/1986EP0184138A2 Display system
06/11/1986EP0183828A1 An improved programmable logic array device using cmos eprom floating gate technology.
06/10/1986US4594689 Circuit for equalizing bit lines in a ROM
06/10/1986CN85106881A Electrostatic binary switching and memory devices
06/04/1986EP0183518A2 Programmed matrix device
06/04/1986EP0183476A2 MOS read-only memory systems
06/03/1986US4593383 Integated circuit memory
06/03/1986US4592130 Method of fabricating a CCD read only memory utilizing dual-level junction formation
05/1986
05/28/1986EP0182717A2 A read only memory circuit
05/28/1986EP0182704A2 Delay circuit having delay time period determined by discharging operation
05/28/1986EP0182305A2 Read only memory
05/28/1986EP0182198A2 Single transistor electrically programmable device and method
05/27/1986US4592027 Read control circuit in a read only memory system
05/27/1986US4592025 Information storing circuit using blown and unblown fuses
05/27/1986US4592021 Data readout circuit for an MOS transistor array
05/27/1986US4591891 Post-metal electron beam programmable MOS read only memory
05/21/1986EP0181443A2 One-chip microcomputer
05/20/1986US4590589 Electrically programmable read only memory
05/14/1986EP0034070B1 Fault tolerant memory system
05/09/1986WO1986002779A1 Nonvolatile memory cell
04/1986
04/29/1986US4586065 Semiconductor device
04/23/1986EP0178512A1 MOS circuit including an EEPROM
04/22/1986US4584669 Memory cell with latent image capabilities
04/15/1986US4583205 Programmable memory circuit with an improved programming voltage applying circuit
04/15/1986US4583201 Resistor personalized memory device using a resistive gate fet
04/10/1986WO1986002182A1 Fault tolerant memory array
04/09/1986EP0177395A2 semiconductor memory device with increased adaptability
04/08/1986US4581672 Internal high voltage (Vpp) regulator for integrated circuits
04/08/1986US4581622 Semiconductors
04/02/1986EP0176111A1 High speed, nonvolatile, electrically erasable memory system
04/02/1986EP0175894A2 Non-volatile semiconductor storage cell
04/02/1986EP0175880A2 Semiconductor memory device
04/01/1986US4580247 Semiconductor floating gate memory cell
04/01/1986US4580067 MOS dynamic load circuit for switching high voltages and adapted for use with high threshold transistors
04/01/1986CA1202724A1 X-and-or memory array
03/1986
03/26/1986EP0175420A2 Multiple programmable initialize words in a programmable read only memory
03/26/1986EP0175102A2 Semiconductor memory device
03/26/1986EP0175101A2 Semiconductor memory device
03/25/1986US4578777 One step write circuit arrangement for EEPROMS
03/19/1986EP0174469A2 Charge-up circuit
03/18/1986US4577294 Apparatus for accessing information
03/11/1986US4575823 Electrically alterable non-volatile memory
03/11/1986US4575743 Double layer ROM integrated circuit
03/04/1986US4574273 Circuit for changing the voltage level of binary signals
02/1986
02/26/1986EP0172593A2 Short detector for fusible link array
02/26/1986EP0172193A1 Programmable read-only memory cell and method of fabrication.
02/25/1986US4572946 Credit card circuit arrangement with a memory and an access control unit
02/19/1986EP0171418A1 Crash survivable solid state memory for aircraft flight data recorder systems
02/18/1986US4571708 CMOS ROM Data select circuit
02/18/1986US4571705 Nonvolatile semiconductor memory device with electrically selectable, erasable and programmable function
02/11/1986US4570239 Series read-only-memory having capacitive bootstrap precharging circuitry
02/11/1986US4569121 Method of fabricating a programmable read-only memory cell incorporating an antifuse utilizing deposition of amorphous semiconductor layer
02/11/1986US4569120 Method of fabricating a programmable read-only memory cell incorporating an antifuse utilizing ion implantation
02/05/1986EP0169980A2 Read only memory made in a prediffused integrated circuit
01/1986
01/28/1986US4567499 Memory device
01/21/1986US4566081 Semiconductor device with spare memory cells
01/21/1986US4566080 Byte wide EEPROM with individual write circuits
01/21/1986US4565960 Power supply switching circuit
01/21/1986US4565712 Method of making a semiconductor read only memory
01/15/1986EP0167595A1 An e?2 prom memory cell
01/14/1986US4564924 Memory module with extra spacing between redundant rows and columns
01/14/1986CA1199404A1 Silicon laminated media for archival optical storage
01/08/1986EP0167271A2 Semiconductor read only memory device
01/07/1986US4562639 Process for making avalanche fuse element with isolated emitter
01/03/1986WO1986000165A1 An improved programmable logic array device using eprom technology
12/1985
12/24/1985US4561070 Integrated circuit memory
12/18/1985EP0164868A2 An erasable programmable read only memory
12/10/1985US4558432 Non-volatile semiconductor memory circuits
12/10/1985CA1197929A1 Schottky diode - polycrystalline silicon resistor memory cell
12/04/1985EP0089397B1 Integrated memory matrix with programmable non volatile cells
11/1985
11/27/1985EP0162707A2 ROM protection scheme
11/27/1985EP0162529A1 Amorphous or microcrystalline semiconductor memory device
11/21/1985EP0161947A2 Integrated circuit having a fuse circuit
11/13/1985EP0160720A1 Semiconductor memory cell having an electrically floating memory gate