Patents Assigned to Cypress Semiconductor
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Patent number: 10303625Abstract: Systems and/or methods are provided that facilitate employing a variable read latency on a serial memory bus. In an aspect, a memory can utilize an undefined amount of time to obtain data from a memory array and prepare the data for transfer on the serial memory bus. The serial memory bus can be driven to a defined state. When data is ready for transfer, the memory can assert a start bit on the serial memory bus to notify a host prior to initiating the data transfer.Type: GrantFiled: March 28, 2014Date of Patent: May 28, 2019Assignee: Cypress Semiconductor CorporationInventor: Clifford Alan Zitlaw
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Publication number: 20190158089Abstract: Systems and methods receive multiple of trigger signals and responsive to each trigger signal transition a sensing block from operating in a first mode to operating in a second mode by turning on power to one or more portions of the sensing block. Operating in the second mode includes performing multiple sensor scans during multiple sensing periods of a monitoring period. Based on performing a first scan during a first sensing period, systems and methods transition from operating the sensing block in the second mode to operating the sensing block in the first mode by turning off the power to the one or more portions of the sensing block. Based on performing a second scan during a second sensing period, of the plurality of sensing periods, systems and methods transition a processing module from operating in a first processing mode to operating in a second processing mode.Type: ApplicationFiled: October 12, 2018Publication date: May 23, 2019Applicant: Cypress Semiconductor CorporationInventors: Andriy Maharyta, Carl Liepold, Hans Klein
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Publication number: 20190157286Abstract: A method of controlling the thickness of gate oxides in an integrated CMOS process which includes performing a two-step gate oxidation process to concurrently oxidize and therefore consume at least a first portion of the cap layer of the NV gate stack to form a blocking oxide and form a gate oxide of at least one metal-oxide-semiconductor (MOS) transistor in the second region, wherein the gate oxide of the at least one MOS transistor is formed during both a first oxidation step and a second oxidation step of the gate oxidation process.Type: ApplicationFiled: November 13, 2018Publication date: May 23, 2019Applicant: Cypress Semiconductor CorporationInventor: Krishnaswamy Ramkumar
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Publication number: 20190155351Abstract: Techniques for low-power USB Type-C receivers with high noise rejection are described herein. In an example embodiment, a USB-enabled device comprises a receiver circuit coupled to a Configuration Channel (CC) line of a USB Type-C subsystem. The receiver circuit is configured to reject the incoming signal even when the incoming signal includes noise with a magnitude of more than 300 mVpp, and to operate in the presence of a VBUS charging current that is compliant with a USB-PD specification.Type: ApplicationFiled: November 6, 2018Publication date: May 23, 2019Applicant: Cypress Semiconductor CorporationInventors: Rishi Agarwal, Nicholas Alexander Bodnaruk
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Patent number: 10295647Abstract: Systems, methods, and devices are disclosed for enabling a mobile device with limited RF capability to obtain accurate directions for finding an object or asset via a multiple-antenna locator device. The mobile device generates a request to the locator device to obtain directions to find the asset. A request can also be made to obtain the mobile device's own location from the multiple-antenna locator device which has an antenna array and is in a fixed location that has good RF visibility. The locator device identifies the target asset and receives an RF signal from it using the antenna array. The signal is detected at each antenna and phase samples are recorded. The phase sample data is used in angle-related functions, such as angle of arrival and angle of departure algorithms to calculate the direction of the asset.Type: GrantFiled: June 28, 2018Date of Patent: May 21, 2019Assignee: Cypress Semiconductor CorporationInventor: Robert Hulvey
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Patent number: 10297606Abstract: A memory device is described. Generally, the device includes a string of memory transistors, a source select transistor coupled to a first end of the string of memory transistor and a drain select transistor coupled to a second end of the string of memory transistor. Each memory transistor includes a gate electrode formed adjacent to a charge trapping layer and there is neither a source nor a drain junction between adjacent pairs of memory transistors or between the memory transistors and source select transistor or drain select transistor. In one embodiment, the memory transistors are spaced apart from adjacent memory transistors and the source select transistor and drain select transistor, such that channels are formed therebetween based on a gate fringing effect associated with the memory transistors. Other embodiments are also described.Type: GrantFiled: January 11, 2017Date of Patent: May 21, 2019Assignee: Cypress Semiconductor CorporationInventors: Youseok Suh, Sung-Yong Chung, Ya-Fen Lin, Yi-Ching Jean Wu
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Publication number: 20190147960Abstract: A memory device that includes a non-volatile memory (NVM) array, divided into a flash memory portion and an electrically erasable programmable read-only memory (EEPROM) portion. The NVM array includes charge-trapping memory cells arranged in rows and columns, in which each memory cell has a memory transistor including an angled lightly doped drain (LDD) implant, and a select transistor including a shared source region with a halo implant. The flash memory portion and the EEPROM portion are disposed within one single semiconductor die. Other embodiments are also disclosed.Type: ApplicationFiled: March 12, 2018Publication date: May 16, 2019Applicant: Cypress Semiconductor CorporationInventors: Gary Menezes, Krishnaswamy Ramkumar, Ali Keshavarzi, Venkatraman Prabhakar
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Patent number: 10282585Abstract: 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: August 27, 2018Date of Patent: May 7, 2019Assignee: Cypress Semiconductor CorporationInventors: Roman Ogirko, Hans Klein, David G. Wright, Igor Kolych, Andriy Maharyta, Hassane El-Khoury, Oleksandr Karpin, Oleksandr Hoshtanar, Igor Kravets
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Publication number: 20190122007Abstract: Techniques for multiplexing between an execute-in-place (XIP) mode and a memory-mapped input/output (MMIO) mode for access to external memory devices are described herein. In an example embodiment, an IC device comprises a serial interface and a controller that is configured to communicate with external memory devices over the serial interface. The controller comprises a control register and a cryptography block. The control register is configured to indicate an XIP mode or a MMIO mode. Caches in XIP interfaces provide seamless access to multiple memories, or multiple portions of a single memory. The cryptography block is configured to encrypt and decrypt XIP data transfers to and from a first external memory device in the XIP mode, and to encrypt and decrypt MMIO data transfers to and from a second external memory device in the MMIO mode.Type: ApplicationFiled: December 20, 2018Publication date: April 25, 2019Applicant: Cypress Semiconductor CorporationInventors: Hans Van Antwerpen, Jan-Willem Van de Waerdt
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Patent number: 10269985Abstract: A memory device is described. Generally, the memory device includes a tunnel oxide layer overlying a channel connecting a source and a drain of the memory device formed in a substrate, a multi-layer charge storing layer overlying the tunnel oxide layer and a high-temperature-oxide (HTO) layer overlying the multi-layer charge storing layer. The multi-layer charge storing layer includes an oxygen-rich, first layer comprising a nitride on the tunnel oxide layer in which a composition of the first layer results in it being substantially trap free, and an oxygen-lean, second layer comprising a nitride on the first layer in which a composition of the second layer results in it being trap dense. The HTO layer includes an oxidized portion of the second layer. Other embodiments are also described.Type: GrantFiled: January 26, 2015Date of Patent: April 23, 2019Assignee: Cypress Semiconductor CorporationInventors: Krishnaswamy Ramkumar, Sagy Charel Levy, Jeong Soo Byun
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Patent number: 10268867Abstract: A method includes providing a differential signal and generating an in-phase component of the differential signal and a quadrature component of the differential signal. The method further includes generating an output signal representing a capacitance value using the in-phase component and the quadrature component.Type: GrantFiled: January 2, 2018Date of Patent: April 23, 2019Assignee: Cypress Semiconductor CorporationInventors: Viktor Kremin, Paul M. Walsh, Kaveh Hosseini, Jaskarn Singh Johal, Erhan Hancioglu, Onur Ozbek
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Patent number: 10261932Abstract: 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 10, 2017Date of Patent: April 16, 2019Assignee: Cypress Semiconductor CorporationInventors: Warren S. Snyder, Monte Mar
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Patent number: 10262747Abstract: A non-volatile memory that includes a shared source line configuration and methods of operating the same to reduce disturbs is provided. In one embodiment, the method includes coupling a first positive high voltage to a first global wordline in a first row of an array of memory cells, and coupling a second negative high voltage (VNEG) to a first bitline in a first column of the array to apply a bias to a non-volatile memory transistor in a selected memory cell to program the selected memory cell. A margin voltage having a magnitude less than VNEG is coupled to a second global wordline in a second row of the array, and an inhibit voltage coupled to a second bitline in a second column of the array.Type: GrantFiled: November 8, 2017Date of Patent: April 16, 2019Assignee: Cypress Semiconductor CorporationInventors: Ryan T. Hirose, Igor G. Kouznetsov, Venkatraman Prabhakar, Kaveh Shakeri, Bogdan Georgescu
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Patent number: 10263087Abstract: A memory is described. Generally, the memory includes a number of non-planar multigate transistors, each including a channel of semiconducting material overlying a surface of a substrate and electrically connecting a source and a drain, a tunnel dielectric layer overlying the channel on at least three sides thereof, and a multi-layer charge-trapping region overlying the tunnel dielectric layer. In one embodiment, the multi-layer charge-trapping region includes a first deuterated layer overlying the tunnel dielectric layer and a first nitride-containing layer overlying the first deuterated layer. Other embodiments are also described.Type: GrantFiled: July 18, 2017Date of Patent: April 16, 2019Assignee: Cypress Semiconductor CorporationInventors: Sagy Levy, Fredrick Jenne, Krishnaswamy Ramkumar
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Publication number: 20190110196Abstract: Distance estimation and authentication are provided for Bluetooth systems and devices. Proximity detection requests are transmitted using a transceiver of a tracking device. Reply messages are received from a tracked device. Designated delay values are generated, and round trip times associated with the reply messages are determined based, at least in part, on the designated delay values and time stamps associated with the reply messages. An authenticity metric associated with the tracked device is generated based, at least in part, on the round trip times.Type: ApplicationFiled: December 22, 2017Publication date: April 11, 2019Applicant: Cypress Semiconductor CorporationInventor: Victor Simileysky
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Patent number: 10254812Abstract: Systems, methods, and devices for providing power to low energy circuits include inrush circuits. Devices include a regulator that includes at least one driver device configured to generate a first current associated with a load comprising a low energy integrated circuit. Devices also include a bias generator configured to generate a second current to charge a load capacitor coupled with a power terminal of the low energy integrated circuit. Devices further include an enable circuit configured to enable the bias generator and disable the regulator responsive to a load voltage being below a threshold voltage, and further configured to enable the regulator to generate the first current and disable the bias generator responsive to the load voltage being above the threshold voltage.Type: GrantFiled: March 28, 2018Date of Patent: April 9, 2019Assignee: Cypress Semiconductor CorporationInventors: Mohandas Sivadasan, Jayant Ashokkumar, Iulian Gradinariu, Abhisek Dey
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Patent number: 10254820Abstract: Techniques for power Field Effect Transistor (power-FET) gate drivers are described herein. In an example embodiment, a USB-enabled system comprises a first and second power paths and an IC controller coupled to control the first and second power paths, where the first and second power paths are external to the IC controller and the IC controller is configured to operate both an N-channel power-FET in the first power path and a P-channel power-FET in the second power path.Type: GrantFiled: July 12, 2017Date of Patent: April 9, 2019Assignee: Cypress Semiconductor CorporationInventors: Anup Nayak, Ramakrishna Venigalla
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Patent number: 10256137Abstract: An A method for fabricating an integrated circuit (IC) comprising a substrate, a first device, a second device, and a trench in the substrate is described herein. The trench is self-aligned between the first and second devices and comprises a first portion filled with a dielectric material and a second portion filled with a conductive material. The self-aligned placement of the trench provides electrical isolation between the first and second devices and allows for higher packing density without negatively affecting the operation of closely spaced devices in a high density IC.Type: GrantFiled: November 3, 2017Date of Patent: April 9, 2019Assignee: Cypress Semiconductor CorporationInventors: Ching-Huang Lu, Lei Xue, Kenichi Ohtsuka, Simon Siu-Sing Chan, Rinji Sugino
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Publication number: 20190104000Abstract: Calibrating a Gaussian frequency-shift keying modulation index includes generating a training sequence of bits, shaping a pulse from the training sequence according to an initial modulation index, and converting the shaped signal to a transmission signal. The transmission signal is then either looped through a radio frequency core or processed by frequency deviation estimation hardware to determine a frequency deviation. The frequency deviation is converted to a new modulation index, and potentially a ratio between a target modulation index and a measured modulation index as a scaling factor. The process is then iteratively repeated until a threshold frequency deviation is achieved.Type: ApplicationFiled: September 5, 2018Publication date: April 4, 2019Applicant: Cypress Semiconductor CorporationInventors: Kai Xie, Yan Li, Hongwei Kong, Jie Lai, Kamesh Medapalli
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Publication number: 20190103414Abstract: Semiconductor devices and methods of manufacturing the same are provided. The semiconductor devices may have a non-volatile memory (NVM) transistor including a charge-trapping layer and a blocking dielectric, a field-effect transistor (FET) of a first type including a first gate dielectric having a first thickness, a FET of a second type including a second gate dielectric having a second thickness, and a FET of a third type including a third gate dielectric having a third thickness. In some embodiments, the first, second, and third gate dielectric includes a high dielectric constant (high-K) dielectric layer, and the first thickness is greater than the second thickness, the second thickness is greater than the third thickness. Other embodiments are also described.Type: ApplicationFiled: November 21, 2017Publication date: April 4, 2019Applicant: Cypress Semiconductor CorporationInventor: Krishnaswamy Ramkumar