Patents Assigned to Cypress Semiconductor
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Patent number: 10248604Abstract: Embodiments of the present invention are directed to a microcontroller device having a microprocessor, programmable memory components, and programmable analog and digital blocks. The programmable analog and digital blocks are configurable based on programming information stored in the memory components. Programmable interconnect logic, also programmable from the memory components, is used to couple the programmable analog and digital blocks as needed. The advanced microcontroller design also includes programmable input/output blocks for coupling selected signals to external pins. The memory components also include user programs that the embedded microprocessor executes. These programs may include instructions for programming the digital and analog blocks “on-the-fly,” e.g., dynamically. In one implementation, there are a plurality of programmable digital blocks and a plurality of programmable analog blocks.Type: GrantFiled: March 8, 2017Date of Patent: April 2, 2019Assignee: Cypress Semiconductor CorporationInventors: Warren S. Snyder, Monte Mar
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Publication number: 20190097316Abstract: A computing device includes a processing device that adjusts the operating parameters of one or more antennas based on capacitances detected at the one or more antennas. Capacitance sensors measure the capacitances detected at the one or more antennas and generate capacitance data. The processing device may adjust operating parameters of one or more antennas, such as frequency/band, radiation pattern, power, angle diversity, space diversity, etc., based on the capacitance data.Type: ApplicationFiled: September 26, 2017Publication date: March 28, 2019Applicant: Cypress Semiconductor CorporationInventor: Francis Patrick Cruise
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Publication number: 20190097738Abstract: An example embodiment provides a transceiver for communication includes a timing determiner that detects a fall from high level to low level of a bus signal generated by pulse width modulation of a clock signal and input from a communication bus; a transmission data signal delay adjuster that determines a second timing having a predetermined time difference from a first timing, the bus signal rising from the low level to the high level at the first timing; an encoder that extends a low level of the bus signal by changing a data signal to be output to the communication bus from high level to low level; and a timing adjustment circuit that changes the data signal to the low level at the second timing.Type: ApplicationFiled: July 25, 2018Publication date: March 28, 2019Applicant: Cypress Semiconductor CorporationInventors: Kazuhiro Tomita, Masuo Inui
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Patent number: 10242996Abstract: A semiconductor device and method of fabricating the same are disclosed. The method includes depositing a polysilicon gate layer over a gate dielectric formed over a surface of a substrate in a peripheral region, forming a dielectric layer over the polysilicon gate layer and depositing a height-enhancing (HE) film over the dielectric layer. The HE film, the dielectric layer, the polysilicon gate layer and the gate dielectric are then patterned for a high-voltage Field Effect Transistor (HVFET) gate to be formed in the peripheral region. A high energy implant is performed to form at least one lightly doped region in a source or drain region in the substrate adjacent to the HVFET gate. The HE film is then removed, and a low voltage (LV) logic FET formed on the substrate in the peripheral region. In one embodiment, the LV logic FET is a high-k metal-gate logic FET.Type: GrantFiled: December 20, 2017Date of Patent: March 26, 2019Assignee: Cypress Semiconductor CorporationInventors: Chun Chen, James Pak, Unsoon Kim, Inkuk Kang, Sung-Taeg Kang, Kuo Tung Chang
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Publication number: 20190088669Abstract: A memory transistor includes a gate electrode and a blocking structure disposed beneath the gate electrode, where the blocking structure is formed by plasma oxidation. The memory transistor includes a multi-layer charge storage layer disposed beneath the blocking structure, wherein the multi-layer charge storage layer includes a trap dense charge storage layer over a substantially trap free charge storage layer, where a thickness of the trap dense charge storage layer is reduced by the plasma oxidation. The memory transistor further includes a tunneling layer disposed beneath the multi-layer charge storage layer and a channel region disposed beneath the tunneling layer, where the channel region is positioned laterally between a source region and a drain region.Type: ApplicationFiled: September 19, 2018Publication date: March 21, 2019Applicant: Cypress Semiconductor CorporationInventors: Jeong Soo Byun, Krishnaswamy Ramkumar
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Publication number: 20190088263Abstract: In a reliable multi-cast, a concealment scheme may be applied to recover or conceal lost or otherwise corrupted packets of audio information for one channel based on the audio information of other channels in the reliable multi-cast.Type: ApplicationFiled: July 19, 2018Publication date: March 21, 2019Applicant: Cypress Semiconductor CorporationInventor: Robert Zopf
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Publication number: 20190088320Abstract: A memory device and method of operating the same are disclosed. Generally, the device includes an array of Ferro-electric Random Access Memory cells. Each cell includes a first transistor coupled between a bit-line and a storage node (SN) and controlled by a first wordline (WL1), a second transistor coupled between a reference line and the SN and controlled by a second wordline (WL2), and a ferro-capacitor coupled between the SN and a plateline. The device further includes a sense-amplifier coupled to the bit-line and reference line, and a processing-element configured to issue control signals to WL1, WL2, the plateline and the sense-amplifier. The cell is configured and operated to generate a bit-level reference in which a first voltage pulse is applied to the plateline during a read cycle for the data pulse and a second voltage pulse serves as a reference pulse and as a clear pulse.Type: ApplicationFiled: August 7, 2018Publication date: March 21, 2019Applicant: Cypress Semiconductor CorporationInventors: Joseph S. Tandingan, Fan Chu, Shan Sun, Jesse J. Siman, Jayant Ashokkumar
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Publication number: 20190087032Abstract: A capacitive sensor includes a switching capacitor circuit, a comparator, and a charge dissipation circuit. The switching capacitor circuit reciprocally couples a sensing capacitor in series with a modulation capacitor during a first switching phase and discharges the sensing capacitor during a second switching phase. The comparator is coupled to compare a voltage potential on the modulation capacitor to a reference and to generate a modulation signal in response. The charge dissipation circuit is coupled to the modulation capacitor to selectively discharge the modulation capacitor in response to the modulation signal.Type: ApplicationFiled: July 12, 2018Publication date: March 21, 2019Applicant: Cypress Semiconductor CorporationInventors: Andriy Ryshtun, Viktor Kremin
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Publication number: 20190088487Abstract: A method to integrate silicon-oxide-nitride-oxide-silicon (SONOS) transistors into a complementary metal-oxide-semiconductor (CMOS) flow including a triple gate oxide structure. The memory device may include a non-volatile memory (NVM) transistor that has a charge-trapping layer and a blocking dielectric, a first field-effect transistor (FET) including a first gate oxide of a first thickness, a second FET including a second gate oxide of a second thickness, a third FET including a third gate oxide of a third thickness, in which the first thickness is greater than the second thickness and the second thickness is greater than the third thickness.Type: ApplicationFiled: August 8, 2018Publication date: March 21, 2019Applicant: Cypress Semiconductor CorporationInventors: Krishnaswamy Ramkumar, Igor Kouznetsov, Venkatraman Prabhakar, Ali Keshavarzi
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Patent number: 10235558Abstract: A fingerprint sensor-compatible overlay material which uses anisotropic conductive material to enable accurate imaging of a fingerprint through an overlay is disclosed. The anisotropic conductive material has increased conductivity in a direction orthogonal to the fingerprint sensor, increasing the capacitive coupling of the fingerprint to the sensor surface, allowing the fingerprint sensor to accurately image the fingerprint through the overlay. Methods for forming a fingerprint sensor-compatible overlay are also disclosed.Type: GrantFiled: March 29, 2017Date of Patent: March 19, 2019Assignee: Cypress Semiconductor CorporationInventors: Hans Klein, Igor Kolych, Oleksandr Karpin, Igor Kravets, Oleksandr Hoshtanar
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Patent number: 10236773Abstract: Systems and methods for driving a low quiescent current DCDC converter are disclosed. An error threshold compensation circuit of the DCDC converter is configured to detect an output voltage of the DCDC converter, compare the output voltage to a target voltage, and modify a first threshold voltage of the hysteresis control circuit based on the comparison.Type: GrantFiled: May 16, 2017Date of Patent: March 19, 2019Assignee: Cypress Semiconductor CorporationInventor: Toru Miyamae
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Patent number: 10236299Abstract: A three-dimensional charge trap semiconductor device is constructed with alternating insulating and gate layers stacked over a substrate. During the manufacturing process, a channel hole is formed in the stack and the gate layers are recessed from the channel hole. Using the recessed topography of the gate layers, a charge trap layer can be deposited on the sidewalls of the channel hole and etched, leaving individual discrete charge trap layer sections in each recess. Filling the channel hole with channel material effectively provides a three-dimensional semiconductor device having individual charge trap layer sections for each memory cell.Type: GrantFiled: June 23, 2016Date of Patent: March 19, 2019Assignee: Cypress Semiconductor CorporationInventors: Chun Chen, Kuo-Tung Chang, Shenqing Fang
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Publication number: 20190079634Abstract: A method, apparatus, and system measure, at a first channel of a processing device, a first signal indicative of a touch object proximate to an electrode layer. The first signal includes a touch data component and a first noise component generated by a noise source. The method, apparatus, and system measure, at a second channel of the processing device, a second signal including a second noise component generated by the noise source. The second channel is coupled to a shield layer disposed between the noise source and the electrode layer. The method, apparatus, and system generate an estimated noise signal using the second noise component of the second signal that is associated with the second channel. The method, apparatus, and system subtract the estimated noise signal from the measured first signal to obtain the touch data component of the first signal.Type: ApplicationFiled: September 5, 2018Publication date: March 14, 2019Applicant: Cypress Semiconductor CorporationInventors: Igor Kravets, Volodymyr Bihday, Ihor Musijchuk
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Publication number: 20190080732Abstract: A method for driving a non-volatile memory system is disclosed. A standby detection circuit detects whether the nonvolatile memory system is in a standby condition. In response to determining that the non-volatile memory system is in a standby condition, a bias control circuit reduces bias currents provided to drivers of the non-volatile memory system in a standby mode. The non-volatile memory system is operated in the standby mode after the bias currents have been reduced, where an output signal indicating the standby mode is maintained until a read instruction is detected.Type: ApplicationFiled: August 6, 2018Publication date: March 14, 2019Applicant: Cypress Semiconductor CorporationInventors: Cristinel Zonte, Vijay Raghavan, Iulian Gradinariu, Gary Peter Moscaluk, Roger Jay Bettman, Vineet Argrawal, Samuel Leshner
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Patent number: 10228742Abstract: A device and method that include a power control analog subsystem of a universal serial bus (USB) compatible power supply device is disclosed. The power control analog subsystem includes a programmable reference generator to generate first reference voltages. The power control analog subsystem also includes multiplexers, where each of a plurality of multiplexers are coupled to a first terminal and a second terminal of a producer field-effect transistor (FET) to receive a first voltage (Vbus_in) and a second voltage (Vbus_c) and to output second reference voltages. The power control analog subsystem further includes comparators, wherein each of the comparators is coupled to receive a corresponding reference voltage of the first reference voltages from the programmable reference generator and to receive a corresponding selected voltage from a corresponding multiplexer of the multiplexers. Each of the comparators is configured to output a corresponding system interrupt based on a corresponding voltage condition.Type: GrantFiled: December 20, 2017Date of Patent: March 12, 2019Assignee: Cypress Semiconductor CorporationInventors: Derwin W. Mattos, Anup Nayak
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Patent number: 10229745Abstract: Techniques for suppression of program disturb in flash memory devices are described herein. In an example embodiment, an apparatus comprises a flash memory device coupled to a microprocessor. The flash memory device comprises rows and columns of memory cells, where the memory cells in each row are coupled to a source line and to a select-gate (SG) line, and the memory cells in each column are coupled to a respective bit line (BL). A control circuit in the flash memory device is configured to regulate both a first voltage, of a selected SG line, and a second voltage, of an unselected BL, independently of a power supply voltage of the flash memory device, and to adjust at least one of the first voltage and the second voltage based on a measure of an operating temperature of the flash memory device.Type: GrantFiled: January 23, 2018Date of Patent: March 12, 2019Assignee: Cypress Semiconductor CorporationInventors: Chun Chen, Kuo-Tung Chang, Yoram Betser, Shivananda Shetty, Giovanni Mazzeo, Tio Wei Neo, Pawan Singh
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Publication number: 20190074286Abstract: An example embodiment comprises a method for fabrication of a non-volatile memory (NVM) device. An isolation structure is formed in a substrate between first and second locations for first and second NVM cells. A common charge trapping layer is formed as a continuous structure over the substrate, where a first portion of the charge trapping layer is disposed directly over the isolation structure and second portions of the charge trapping layer are disposed directly over the first and second substrate locations. Nitrogen doping of the first portion of the charge trapping layer is performed, where after the nitrogen doping is performed the first portion of the charge trapping layer includes a higher nitrogen concentration than the second portions. The first and second NVM cells are then formed over the first and second substrate locations, where the first and second NVM cells include the second portions of the charge trapping layer.Type: ApplicationFiled: August 6, 2018Publication date: March 7, 2019Applicant: Cypress Semiconductor CorporationInventors: Pawan Kishore Singh, Shivananda Shetty, James Pak
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Publication number: 20190072597Abstract: An asynchronous capacitance-to-digital converter (CDC) is described that allows for very low-power operation when during inactive periods (when no conductive object is in contact or proximity to the sensing electrodes). Asynchronous operation of the CDC provides for capacitance-to-digital conversion without the use of system resources and more power intensive circuit elements.Type: ApplicationFiled: March 28, 2018Publication date: March 7, 2019Applicant: Cypress Semiconductor CorporationInventors: Paul M. Walsh, Dermot MacSweeney, Said Hussaini, Hui Jiang, Kofi Makinwa
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Patent number: 10222402Abstract: A device includes a power control analog subsystem of a universal serial bus-power delivery (USB-PD) compatible power supply device. The power control analog subsystem includes a programmable current sensing circuit and a current sense resistor coupled to the power control analog subsystem. The power control analog subsystem is configured to concurrently compare a current flow through the current sense resistor with at least three different reference values, e.g., compare a sensed voltage with at least three different reference voltages.Type: GrantFiled: March 19, 2018Date of Patent: March 5, 2019Assignee: Cypress Semiconductor CorporationInventors: Vaidyanathan Varsha, Derwin W. Mattos
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Publication number: 20190067313Abstract: A method of fabricating a memory device is described. Generally, the method includes: forming on a surface of a substrate a dielectric stack including a tunneling dielectric and a charge-trapping layer overlying the tunneling dielectric; forming a cap layer overlying the dielectric stack, wherein the cap layer comprises a multi-layer cap layer including at least a first cap layer overlying the charge-trapping layer, and a second cap layer overlying the first cap layer; patterning the cap layer and the dielectric stack to form a gate stack of a memory device; removing the second cap layer; and performing an oxidation process to oxidize the first cap layer to form a blocking oxide overlying the charge-trapping layer, wherein the oxidation process consumes the first cap layer. Other embodiments are also described.Type: ApplicationFiled: July 24, 2018Publication date: February 28, 2019Applicant: Cypress Semiconductor CorporationInventor: Krishnaswamy Ramkumar