Patents
Patents for G11C 7 - Arrangements for writing information into, or reading information out from, a digital store (53,197)
05/1990
05/15/1990US4926379 Data read circuit for use in semiconductor memory device
05/10/1990DE3937068A1 Dynamic semiconductor memory with reading or measuring amplifiers - comprising flip=flop combinations of MOS transistors arranged to correspond to pairs of bit lines
05/08/1990US4924443 Semiconductor memory comprising a recognition circuit for signal changes
05/08/1990US4924439 Semiconductor integrated circuit
05/02/1990EP0366359A2 Reducing power consumption in on-chip memory devices
05/02/1990EP0366332A2 Digital memory system
05/02/1990EP0365730A1 Double stage bipolar sense amplifier for BICMOS SRAMS with a common base amplifier in the final stage
05/02/1990EP0365720A1 Programmable semiconductor memory
05/01/1990US4922461 Static random access memory with address transition detector
05/01/1990US4922122 Circuit for the detection of address transitions
04/1990
04/25/1990EP0365002A2 Semiconductor memory device
04/25/1990EP0364925A1 Semiconductor integrated circuit having i/o terminals allowing independent connection test
04/24/1990US4920518 Semiconductor integrated circuit with nonvolatile memory
04/24/1990US4920516 Read only memory circuit having a precharged selected bit line
04/18/1990EP0364110A2 Semiconductor memory device having a serial access memory
04/17/1990US4918657 Semiconductor memory device provided with an improved precharge and enable control circuit
04/17/1990US4918650 Memory control interface apparatus
04/17/1990US4918645 Computer bus having page mode memory access
04/17/1990US4918341 High speed static single-ended sense amplifier
04/17/1990CA1267971A1 Dual port video memory system having semi-synchronous data input and data output
04/11/1990EP0363031A1 Serial input/output semiconductor memory
04/10/1990US4916671 Semiconductor memory device having sense amplifier having improved activation timing thereof and operating method thereof
04/10/1990US4916670 Semiconductor memory device having function of generating write signal internally
04/10/1990US4916667 Dynamic random access memory having folded bit line-shared sense amplifiers
04/10/1990US4916662 IC card including high input voltage detection and suppression
04/10/1990US4916333 Binary logic level electrical detector namely to prevent the detection of secret codes contained in a memory card
04/10/1990US4915982 Vapor depositing mixture of alkaline earth metal sulfides and two dopants; heating to crystallize
04/04/1990EP0361743A1 Serial input/output semiconductor memory
04/04/1990EP0361561A1 Integrated memory circuit comprising a parallel and serial input and output
04/04/1990EP0361546A2 Semiconductor memory device
04/04/1990EP0361143A2 Circuitry for the on-chip interleaved access to dynamic RAM modules
04/04/1990EP0360833A1 Symmetrical optical device.
03/1990
03/28/1990EP0360526A1 Semiconductor memory device having flash write function
03/28/1990EP0360315A1 Integrated semiconductor memory circuit with dual use of bit lines
03/28/1990EP0360243A2 Video memory device
03/27/1990US4912680 Image memory having plural input registers and output registers to provide random and serial accesses
03/27/1990US4912346 Input/output circuit for IC card
03/21/1990EP0359561A2 Sense amplifier precharge control
03/21/1990EP0359551A2 Semicoductor memory circuit
03/21/1990EP0359211A2 Semiconductor memory
03/20/1990US4910780 Audio signal recording and reproducing apparatus utilizing digital data compression and extension
03/20/1990US4910714 Semiconductor memory circuit having a fast read amplifier tristate bus driver
03/20/1990US4910571 Optical semiconductor device
03/13/1990US4908866 Speech transcribing system
03/13/1990US4908796 Registered outputs for a memory device
03/13/1990US4908794 Semiconductor memory device with improved output circuit
03/08/1990DE3928664A1 Memory circuit for audio messages - has input keyboard matrix and time generating microcomputer for control steps actuated by keyboard signals
03/07/1990EP0357361A2 IC card and method for writing information therein
03/07/1990EP0357213A2 Low power sense amplifier for programmable logic device
03/07/1990EP0356983A2 Static memory device provided with a signal generating circuit for high-speed precharge
03/06/1990US4906868 Logic circuit using bipolar complementary metal oxide semiconductor gate and semiconductor memory device having the logic circuit
03/06/1990US4906867 Buffer circuit with load sensitive transition control
02/1990
02/28/1990EP0355560A2 Conditional write ram
02/28/1990EP0134220B1 Write strobe generator for clock synchronized memory
02/27/1990US4905289 Apparatus for the digital storage of audio signals employing read only memories
02/27/1990US4905201 Semiconductor memory device capable of selective operation of memory cell blocks
02/27/1990US4905189 System for reading and writing information
02/27/1990US4904888 Sense amplifier circuit
02/22/1990WO1990001480A1 Optical memory
02/20/1990US4903344 Semiconductor memory device with staggered sense amplifiers
02/20/1990US4903242 Serial access memory circuit with improved serial addressing circuit composed of a shift register
02/20/1990US4903240 Readout circuit and method for multiphase memory array
02/20/1990US4903239 Semiconductor memory having a parallel input/output circuit
02/20/1990US4903237 Differential sense amplifier circuit for high speed ROMS, and flash memory devices
02/20/1990US4902886 Noise reduction for photodiode arrays
02/14/1990EP0354735A2 Constant voltage generating circuit for selectively generating a constant voltage at a high-speed
02/14/1990EP0354265A1 Integrated semiconductor circuit having a memory space
02/14/1990CN1039688A Cmos programmable logic array
02/13/1990US4901286 Digital FIFO memory
02/13/1990US4901282 Power efficient static-column DRAM
02/13/1990US4900691 Method of fabrication for optical storage apparatus
02/08/1990DE3839221A1 Travel data memory
02/07/1990EP0354073A1 Random access memory management system
02/07/1990EP0353942A2 A ripple-through FIFO memory
02/06/1990US4899316 Semiconductor memory device having serial writing scheme
02/06/1990US4899312 Semiconductor memory
02/06/1990US4899311 Clamping sense amplifier for bipolar ram
02/06/1990US4899310 Semiconductor memory device having a register
02/06/1990US4899309 Current sense circuit for a ROM system
02/06/1990US4899307 Stack with unary encoded stack pointer
02/01/1990DE3901988A1 Erasable optical fluorescence and absorption data medium having good long-term stability
01/1990
01/31/1990EP0353078A2 Optical disk drive system
01/31/1990EP0352985A2 Semiconductor device with component circuits under symmetric influence of undesirable turbulence
01/31/1990EP0352814A2 Optical memory circuit
01/31/1990EP0352730A2 Semiconductor memory device provided with an improved system for detecting the positions using a redundant structure
01/31/1990EP0352572A2 Semiconductor memory device with flash write mode of operation
01/31/1990EP0352524A2 EPROM low voltage sense amplifier
01/30/1990US4897860 Programmable time base circuit with protected internal calibration
01/30/1990US4897818 Dual-port memory with inhibited random access during transfer cycles
01/30/1990US4897569 CMOS amplifier for memories
01/29/1990EP0306519A4 Current sensing differential amplifier.
01/25/1990DE3910466A1 Data output buffer circuit for byte-wide memory
01/24/1990EP0351422A1 Devices for producing microfilm and microfiche records
01/23/1990US4896302 Semiconductor memory device having common driver circuits for plural memory cell arrays
01/23/1990US4896299 Static semiconductor memory device having function of resetting stored data
01/23/1990US4896298 Read circuit for memory
01/23/1990EP0226615A4 Bit line precharge on a column address change.
01/18/1990DE3916972A1 Read amplifier driver for memory device
01/18/1990DE3913599C1 Intermediate image store e.g. for TV transmission - assigns separate control to each video channel for connection to all memory blocks
01/17/1990EP0351212A2 Counter circuit presettable with a plurality of count values