Patent application number | Description | Published |
20090077308 | RECONFIGURABLE CONTENT-ADDRESSABLE MEMORY - A system for determining memory addresses including a first content-addressable memory (CAM) configured to generate a first matchvector based on a first key; a first inverse-mask-reverse (IMR) module operatively connected to the first CAM, where the first IMR module is configured to generate a first auxiliary matchvector based on the first matchvector; and a first priority encoder (PE) operatively connected to the first IMR module, where the first PE is configured to output a first encoded memory address based on the first auxiliary matchvector, where the first CAM, the first IMR module, and the first PE are associated with a first reconfigurable content-addressable memory (RCAM). | 03-19-2009 |
20100080045 | ROBUST 8T SRAM CELL - This invention discloses a static random access memory (SRAM) cell which comprises a pair of cross-coupled inverters having a first storage node, a first NMOS transistor having a source and a drain connected between the first storage node and a bit-line, a second NMOS transistor having a source and a drain connected between a gate of the first NMOS transistor and a word-line, the second NMOS transistor having a gate connected to a first column select line, and a third NMOS transistor having a source and a drain connected between a ground (VSS) and the gate of the first NMOS transistor, and a gate connected to a second column select line, the second column select line being complementary to the first column select line. | 04-01-2010 |
20100097844 | Write-Assist SRAM Cell - An integrated circuit structure includes a word-line; a column select line; and a latch. The latch includes a first storage node and a second storage node complementary to each other; and an operation voltage node. A control circuit is coupled between the operation voltage node and the latch. The control circuit includes a first input coupled to the word-line; and a second input coupled to the column selection line. The control circuit is configured to interconnect the operation voltage node and the latch when both the word-line and the column select line are selected, and disconnect the operation voltage node and the latch when at least one of the word-line and the column select line is not selected. | 04-22-2010 |
20100214863 | MEMORY POWER GATING CIRCUIT AND METHODS - A power gating circuit configured to couple with a memory array having an internal voltage, wherein the power gating circuit includes circuitry having an output signal that raises the internal voltage of the memory array if the internal voltage is lower than a first threshold voltage, and lowers the internal voltage if the internal voltage is higher than a second threshold voltage, thereby retaining the internal voltage between the first threshold voltage and the second threshold voltage. | 08-26-2010 |
20110080798 | Digital Retention Voltage Generation - A first embodiment of the present invention is a system for generating a voltage comprising a comparator operable to compare an operation voltage to a reference voltage, control logic operable to selectively output as a control signal an incremented signal or a decremented signal based on a comparison of the operation voltage to the reference voltage by the comparator, and a device module operable to increase or decrease the operation voltage based on the control signal. | 04-07-2011 |
20110209109 | HIGH-SPEED SRAM - A method includes a) receiving a design for a static random access memory (SRAM) array including an SRAM cell having a read port cell, the read port cell including first and second MOS transistors each having an initial threshold voltage (Vth); b) adjusting one of a gate channel width (Wg) or a gate channel length (Lg) of one of the first and second MOS transistors to modify the Vth of at least one of the first and second MOS transistors; c) simulating a response of the SRAM array, the simulation providing response data for the SRAM array including the Vth for the first and second MOS transistors; and d) iteratively repeating steps b) and c) until a desired Vth is achieved. | 08-25-2011 |
20110267901 | SWITCHED CAPACITOR BASED NEGATIVE BITLINE VOLTAGE GENERATION SCHEME - A memory device includes an array of memory cells, the memory device including a bitline biasing circuit for biasing a bitline during a write operation. The bitline biasing circuit operating to provide a negative biasing voltage to the bitline. The magnitude of the negative biasing voltage is inversely proportional to a memory cell supply voltage level provided at a memory cell supply voltage node. | 11-03-2011 |
20120020173 | Sense Amplifier Enable Signal Generation - System and method for generating a sense amplifier enable (“SAE”) signal having a programmable delay with a feedback loop to control the SAE signal duty cycle, which can be used in SRAM or DRAM, or other kinds of memory cells. An illustrative non-limiting embodiment comprises: a programmable clock chopper, a low pass filter, a bias generator, a comparator, and a feedback control module. | 01-26-2012 |
20130019218 | HIGH-SPEED SRAM - A method includes a) receiving a design for a static random access memory (SRAM) array including an SRAM cell having a read port cell, the read port cell including first and second MOS transistors each having an initial threshold voltage (Vth); b) adjusting one of a gate channel width (Wg) or a gate channel length (Lg) of one of the first and second MOS transistors to modify the Vth of at least one of the first and second MOS transistors; c) simulating a response of the SRAM array, the simulation providing response data for the SRAM array including the Vth for the first and second MOS transistors; and d) iteratively repeating steps b) and c) until a desired Vth is achieved. | 01-17-2013 |
20130028002 | DIFFERENTIAL ROM - A differential read only memory array includes a differential sense amplifier coupled to first and second bit lines. A first bit cell is coupled to a first word line and to the first and second bit lines. The at least one bit cell includes a first transistor having a gate coupled to the first word line, a drain coupled to the first bit line, and a source coupled to a first power supply line. A second transistor has a gate coupled to the first word line. A source and a drain of the second transistor are either both connected to the second bit line or both unconnected to the second bit line. | 01-31-2013 |
20130028030 | PROGRAMMABLE KEEPER FOR SEMICONDUCTOR MEMORIES - A method includes receiving a memory code identifying a number of logic zeroes and logic ones to be stored in a semiconductor memory, determining a number of bit cells of a first type that are to be coupled to a first bit line of the semiconductor memory from the memory code, and selecting a first keeper circuit from a plurality of keeper circuits based on the number of bit cells of the first type that are to be coupled to the first bit line. An electronic representation of a layout of the semiconductor memory is stored in a non-volatile machine readable storage medium. | 01-31-2013 |
20130088913 | CIRCUIT AND METHOD OF WORD LINE SUPPRESSION - A word line driver circuit for providing a suppressed word line voltage includes a switch configured to selectively load a word line to a suppressed word line voltage node and a word line charging circuit coupled between a high power supply node and the suppressed word line voltage node. The word line charging circuit includes a first transistor device responsive to a control pulse for charging the suppressed word line voltage node to a suppressed word line voltage and a second transistor device for maintaining the suppressed word line voltage. | 04-11-2013 |
20130100730 | METHOD AND APPARATUS FOR WORD LINE SUPPRESSION - A memory access operation on a bit cell of a digital memory, e.g., a static random access memory (SRAM), is assisted by reducing the word line control voltage for reading and boosting it for writing, thus improving data integrity. The bit cell has cross coupled inverters for storing and retrieving a logic state via bit line connections through a passing gate transistor controlled by the word line. A level of a word line signal controlling the passing gate transistor is shifted from a first voltage value to a higher second voltage value to begin a memory access cycle. The level of the word line signal is shifted from the second voltage value to a third voltage value less than the second voltage value during the access cycle. The word line signal is maintained at the third voltage value for a time interval during the access cycle. | 04-25-2013 |
20130155758 | CIRCUIT AND METHOD FOR GENERATING A SENSE AMPLIFIER ENABLE SIGNAL BASED ON A VOLTAGE LEVEL OF A TRACKING BITLINE - A circuit is usable to generate a sense amplifier enable (SAE) signal for a static random access memory (SRAM) circuit. The circuit includes a first tracking bit line, a second tracking bit line, a tracking cell, and a control logic circuit. The second tracking bit line is electrically connected to the first tracking bit line. The tracking cell has a driving terminal and a non-driving terminal, where the non-driving terminal is connected to the second tracking bit line, and the driving terminal is connected to the first tracking bit line and configured to selectively charge or discharge a voltage on the first tracking bit line in response to a control signal. The control logic circuit is coupled to the first tracking bit line and configured to generate the SAE signal in response to the voltage level on the first tracking bit line. | 06-20-2013 |
Patent application number | Description | Published |
20100012001 | Tabletop Attachment System - A tabletop attachment system includes a first body and a second body mounted between a wooden tabletop and a wooden pedestal. The first body includes a first body member having a first side for mounting on the pedestal and a second side including at least one detent extending therefrom. The second body includes a second body member having a first side for mounting on the tabletop and a second side, and at least one slot extends therethrough. The slot has a proximal edge for allowing the second detent section to be inserted therethrough and a distal edge for tight-fitting the detent. The tabletop has a groove for allowing the second detent section to mutually contact with and tight-fit in an end of the groove. | 01-21-2010 |
20100258039 | TELEVISION TABLE ASSEMBLY WHICH CAN BE ASSEMBLED AND DISASSEMBLED WITHOUT TOOLS - A television table which can be assembled and disassembled without tools is provided. The television table unities a first connecting body and a second connecting body mounted between a tabletop and a pedestal. The first connecting body includes at least one fixing pillar extending therefrom. The second connecting body includes at least one slot. The slot has a proximal edge for allowing the head section to be inserted therethrough and a clamping edge for tight-fitting the fixing pillar. Also, a fixing pin passes through fixing holes of the tabletop and the two pedestals to avoid the tabletop sliding laterally respective to the pedestals and make a connection of the tabletop and the two pedestals firmly. | 10-14-2010 |
20120319546 | BENCH CABINET ASSEMBLY WHICH CAN BE ASSEMBLED AND DISASSEMBLED WITHOUT TOOLS - A bench cabinet which can be assembled and disassembled without tools is provided. The bench cabinet includes a front door panel, a top panel, a bottom panel, and a rear panel. Two sideboards pivotly connected to two sides of the front frame respectively and are foldable to flatly contact to the front frame to save transport costs. Also, the front door panel is connected to the rear panel by the fixing pillar and the slot with the clamping edge to slid laterally for connecting. The top panel and the bottom panel are connected to the front door panel by the notch and the stud. Therefore, the bench cabinet can be assembled and disassembled easily without tools by users. | 12-20-2012 |
20130002112 | DETACHABLE CABINET WITH MULTIPLE FUNCTIONS - A detachable cabinet with multiple functions is provided. The cabinet includes a folding frame, a top panel and a bottom panel. The folding frame is foldable to save transport costs. Also, the top panel and the bottom panel are connected to the folding frame the notch and the stud. Therefore, the bench cabinet can be assembled and disassembled easily without tools by users. After assembly, the cabinet would assemble divider panels or drawers to form as a floor cabinet, a drawer cabinet or a storage cabinet. | 01-03-2013 |
20130049560 | Foldable Drawer Assembly - A foldable drawer assembly includes a side plate association and a bottom plate selectively connecting with the side plate association. The side plate association includes a plurality of plates pivotally connected with one another. A storage space is enclosed with the plurality of plates of the side plate association. The side plate association is operable between an operative state and a stored state. When the side plate association is in the operative state, a shape of cross-section of the storage space corresponded to a shape of cross-section of the bottom plate. When the side plate association is in the storage state, a measure of area of cross-section of the storage space is less than a measure of area of the bottom plate. | 02-28-2013 |
20130063003 | Upper Corner Cabinet - An upper corner cabinet includes front and rear frames separated from each other, first and second lateral panels each extending from the front frame to the rear frame and including an end pivotally joined to the front frame and another end joined to the rear frame and being foldable, a bottom panel selectively abutted against the front and rear frames and the first and second lateral panels, and a top panel selectively positioned above the bottom panel and abutted against the front and rear frames and the first and second lateral panels. Moreover, the upper corner cabinet is operable in an extended position and a collapsed position and able to be changed therebetween without the aid of a tool. | 03-14-2013 |
20130063010 | Lower Corner Cabinet - A lower corner cabinet includes front and rear frames, front panel, first and second lateral panels, and a door panel. The rear frame is separated from the front frame. The front panel extends from the front frame. The first lateral panel includes an end pivotally joined to the front frame and another end pivotally joined to the rear frame and is foldable. The second lateral panel includes an end pivotally joined to the front panel and another end pivotally joined to the rear frame and is foldable. The bottom panel is selectively abutted against the front and rear frames and the first and second lateral panels and pivotally movable. The door panel extends from the front panel to the front frame. Moreover, the lower corner cabinet is operable in an extended position and a collapsed position and able to be changed therebetween without the aid of a tool. | 03-14-2013 |