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7151699 Semiconductor memory device  
Provided is a semiconductor memory device, which is capable of further simplifying the data multiplexing structure on a data write path, thereby preventing a timing mismatch in data input from...
7151709 Memory device and method having programmable address configurations  
A memory device includes a configurable address register having a first set of input buffers coupled to a first set on address bus terminals and a second set of input buffers coupled to a second...
7149129 Memory output data systems and methods with feedback  
Systems and methods provide output data from a memory. For example, in accordance with an embodiment of the present invention, techniques are disclosed for providing glitch-free output data from a...
7145810 High density memory and multiplexer control circuit for use therein  
A high density memory is disclosed wherein multiple memory cells are placed in a single cell region. To accommodate the multiple memory cells, multiple bit lines are provided. Also provided is a...
7145831 Data synchronization arrangement  
A data synchronization arrangement is provided that is fail-safe at high speed and low power consumption, for exchanging clocked data between different clock domains running in a digital processing...
7136309 FIFO with multiple data inputs and method thereof  
A FIFO circuit includes a memory such as a register array having a plurality of storage locations. One or more data inputs can be coupled to the memory for receiving data that is to be stored...
7136311 Level shifter, level shift circuit, electro-optical device, and electronic apparatus  
To provide a level shift circuit which has reduced power consumption. A level shift circuit includes level shifters and a control unit. The control unit generates control signals for controlling...
7133324 Synchronous dynamic random access memory devices having dual data rate 1 (DDR1) and DDR2 modes of operation and methods of operating same  
A dual data rate dynamic random access memory (DDR DRAM) device may operate in dual DDR modes via a mode selection circuit configured to enable a Dual Data Rate (DDR) 1 mode of operation for the...
7130238 Divisible true dual port memory system supporting simple dual port memory subsystems  
A random access memory circuit and a method for configuring the same. The circuit includes a first array of memory cells including a first plurality of ports and a second plurality of ports, and a...
7126858 Apparatus for emulating asynchronous clear in memory structure and method for implementing the same  
Circuitry is disclosed for emulating asynchronous clear on each of a read address register of a memory cell and a data output register of a memory cell such that the memory cell can be defined in a...
7120075 Multi-FIFO integrated circuit devices that support multi-queue operating modes with enhanced write path and read path queue switching  
An integrated circuit chip includes a plurality of independent FIFO memory devices that are each configured to support all four combinations of DDR and SDR write modes and DDR and SDR read modes...
7120066 Memory device for multiplexing input and output operation  
A memory device for multiplexing an input/output operation prevents mis-operations by comparing the input addresses with the output data and improves operating speed by activating data...
7120761 Multi-port memory based on DRAM core  
A semiconductor memory device includes a plurality of N external ports, each of which receives commands, and an internal circuit which performs at least N access operations during a minimum...
7110321 Multi-bank integrated circuit memory devices having high-speed memory access timing  
Integrated circuit memory devices support write and read burst modes of operation with uniformly short interconnect paths that provide high-speed memory access timing characteristics. These memory...
7110305 Nonvolatile semiconductor memory device for outputting a status signal having an output data width wider than an input data width  
An n-bit status signal indicating an execution state of a write command is outputted from a status register. At the time of data writing, an output switching circuit outputs (n×m)-bit data in...
7110304 Dual port memory array using shared write drivers and read sense amplifiers  
Dual port memory blocks that have a reduced layout area are provided. The write drivers and sense amplifiers are shared between the dual ports to reduce the number of write drivers and sense...
7106632 Integrated circuit with analog or multilevel storage cells and user-selectable sampling frequency  
Techniques are used to store information in a medium such as the memory cells of an integrated circuit, and also retrieval of information from the medium. The integrated circuit includes...
7106633 Write pointer error recovery systems and methods  
Write pointer error recovery systems and methods are provided. A write pointer from a write pointer circuit may cause a demultiplexer circuit to direct data from a memory cell to a desired bit...
7102917 Memory array method and system  
An MRAM memory array includes a set of memory cell strings wherein each memory cell string has a voltage divider input, a bit-sense output, a voltage divider ground, and a bit-sense output control,...
7099231 Interleaving memory blocks to relieve timing bottleneck in a multi-queue first-in first-out memory system  
A multi-queue memory system includes first and second memory blocks. The first memory block includes a first array of memory cells, a first sense amplifier circuit and a second sense amplifier...
7099202 Y-mux splitting scheme  
A multiplexer circuit in a memory organized into page-portions has a plurality of bit-select multiplexers configured to couple a plurality of page-portion global bitlines to a sense amplifier...
7095641 Content addressable memory (CAM) devices having priority class detectors therein that perform local encoding of match line signals  
Content addressable memory devices may include a priority encoder therein and a first tier of CAM arrays arranged side-by-side relative to each other, on a first side of the priority encoder. A...
7095658 Flash memory data bus for synchronous burst read page  
Memory device is described that utilizes a reduced number of sense amplifiers to sense the data bits of a selected column page. The sense amplifiers are multiplexed and the read data values...
7093095 Double data rate scheme for data output  
Systems, devices, and methods for a double data rate memory device includes a storage element, a first pipeline, and a second pipeline. The pipelines are connected to the storage unit to pass or...
7092310 Memory array with multiple read ports  
A multiport array comprises a read section which is separated from an array of memory cells and which forms a plurality of data-out ports each consisting of a predetermined number of output lines....
7088627 Column redundancy scheme for non-volatile flash memory using JTAG input protocol  
A JTAG-programmable IC includes a memory array having redundant columns, a partial-width data register, and a full-width bitline register. A programming bitstream is shifted into the data register...
7088624 System of multiplexed data lines in a dynamic random access memory  
A system of multiplexed data lines in a DRAM integrated circuit includes a switching circuit having two switching states. In one switching state, the data lines connect to a first configuration of...
7079431 Arrangement with a memory for storing data  
An arrangement with a memory for storing data has a first memory for storing data, switching devices which stipulate whether access to the first memory involves output of the data stored in the...
7079426 Dynamic multi-Vcc scheme for SRAM cell stability control  
A dynamic multi-voltage memory array features SRAM cells that are subjected to different biasing conditions, depending on the operating mode of the cells. The selected SRAM cell receives a first...
7079445 Flash memory pipelined burst read operation circuit, method, and system  
Method and apparatus for use with flash memory devices and systems are included among the embodiments. In exemplary systems, a pipelined burst read operation allows the device to support higher...
7075850 Compact decode and multiplexing circuitry for a multi-port memory having a common memory interface  
A memory array for a multi-port memory having a common memory interface and a plurality of memory ports through which the memory array is accessed is provided. The memory array includes (r•s•t)...
7075821 Apparatus and method for a one-phase write to a one-transistor memory cell array  
A method and apparatus for a one-phase write to a one-transistor memory cell array. In one embodiment, the method includes a one-phase write to a selected wordline of a memory cell array. Once the...
7071731 Programmable Logic with Pipelined Memory Operation  
Memory performance of an integrated circuit, such as a programmable logic integrated circuit, is increased by pipelining. In a single clock cycle, more than one operation may be performed on the...
7073035 Techniques for increasing bandwidth in port-per-module memory systems having mismatched memory modules  
Techniques for increasing bandwidth in port-per-module memory systems having mismatched memory modules are disclosed. In one exemplary embodiment, the techniques are realized through a memory...
7072227 Current mode output driver  
A current mode output driver and output current control method of controlling an output current using a gate voltage are provided. The current mode output driver, which outputs data read from a...
7068567 Data output controller in semiconductor memory device and control method thereof  
A data output controller of a high-speed memory device and a method therefor. The data output controller includes a first section for detecting a unit delay multiple of an external clock signal...
7069464 Hybrid parallel/serial bus interface  
A hybrid serial/parallel bus interface has a data block demultiplexing device. The data block demultiplexing device has an input configured to receive a data block and demultiplexes the data block...
7064571 Multiple-select multiplexer circuit, semiconductor memory device including a multiplexer circuit and method of testing the semiconductor memory device  
A multiplexer circuit is composed of several basic unit circuits, which are each supplied with a data signal and select signal. Each output terminal of several basic unit circuits is connected to a...
7064990 Method and apparatus for implementing multiple column redundancy for memory  
An apparatus for implementing multiple memory column redundancy within an individual memory array includes a plurality of memory array elements internally partitioned into at least a pair of...
7054224 Non-synchronous semiconductor memory device having page mode read/write  
The present invention provides a non-synchronous semiconductor memory device configured as a pseudo-SRAM and capable of relaxing the limitation to address skew and improving the read rate. A data...
7054214 Semiconductor device  
A dummy cell includes a plurality of first memory cells MC for storing “1” or “0”, arranged at points of intersection between a plurality of word lines WR 0 to WR 7 and a plurality of...
7054205 Circuit and method for determining integrated circuit propagation delay  
A circuit and method is provided for determining the delay of an integrated circuit common associated with chip-to-chip variations in the manufacturing process, changes in operating voltage, and...
7042799 Write circuit of double data rate synchronous DRAM  
Provided is a write circuit of a DDR SDRAM, in which a clock domain crossing is generated from a writing driver during a data write operation and a proper data is always transferred to a gio bus...
7038952 Block RAM with embedded FIFO buffer  
A programmable logic device includes a block random access memory (“BRAM”) with an embedded first in, first out (“FIFO”) controller. Embedding the FIFO logic in silicon, rather than...
7038932 High reliability area efficient non-volatile configuration data storage for ferroelectric memories  
Configuration data is stored in one or more rows of non-volatile ferroelectric memory cells, where these rows are formed adjacent to rows of a primary memory array. The primary memory array...
7035164 Semiconductor memory device with a bypass circuit for verifying the characteristics of an internal clock signal  
A semiconductor memory device comprising a bypass circuit for verifying the characteristics of an internal clock signal is provided. The semiconductor memory device having a bypass circuit for...
7031204 Low power register apparatus having a two-way gating structure and method thereof  
A register apparatus and method for providing a two-way gating structure for receiving a write enable signal, a chip select signal, at least one read signal, and an address signal for a register....
7031211 Direct memory access interface in integrated circuits  
A direct memory access interface incorporates setting bit line selection data into a particular storage element of a desired page register element. The selection data and an access enable signal...
7031201 Semiconductor memory device with late write function and data input/output method therefor  
An integrated circuit memory device includes a memory cell array, a plurality of data input lines configured to convey data to the memory cell array and a plurality of data output lines configured...
7027344 High-speed semiconductor memory having internal refresh control  
The refresh address generator of a memory includes, in part, a counter, a multitude of shift registers and multiplexers, and a comparator. With each clock cycle, the counter increments and stores...