Patents by Inventor Mark Horowitz
Mark Horowitz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12026038Abstract: A memory system includes a link having at least one signal line and a controller. The controller includes at least one transmitter coupled to the link to transmit first data, and a first error protection generator coupled to the transmitter. The first error protection generator dynamically adds an error detection code to at least a portion of the first data. At least one receiver is coupled to the link to receive second data. A first error detection logic determines if the second data received by the controller contains at least one error and, if an error is detected, asserts a first error condition. The system includes a memory device having at least one memory device transmitter coupled to the link to transmit the second data. A second error protection generator coupled to the memory device transmitter dynamically adds an error detection code to at least a portion of the second data.Type: GrantFiled: August 14, 2023Date of Patent: July 2, 2024Assignee: Rambus Inc.Inventors: Ely K. Tsern, Mark A. Horowitz, Frederick A. Ware
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Patent number: 12002513Abstract: Control logic within a memory control component outputs first and second memory read commands to a memory module at respective times, the memory module having memory components disposed thereon. Interface circuitry within the memory control component receives first read data concurrently from a first plurality of the memory components via a first plurality of data paths, respectively, in response to the first memory read command, and receives second read data concurrently from a second plurality of the memory components via a second plurality of data paths, respectively, in response to the second memory read command, the first plurality of the memory components including at least one memory component not included in the second plurality of the memory components and vice-versa.Type: GrantFiled: January 3, 2022Date of Patent: June 4, 2024Assignee: Rambus Inc.Inventors: Gary B. Bronner, Brent Steven Haukness, Mark A. Horowitz, Mark D. Kellam, Fariborz Assaderaghi
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Publication number: 20240070000Abstract: A memory system includes a link having at least one signal line and a controller. The controller includes at least one transmitter coupled to the link to transmit first data, and a first error protection generator coupled to the transmitter. The first error protection generator dynamically adds an error detection code to at least a portion of the first data. At least one receiver is coupled to the link to receive second data. A first error detection logic determines if the second data received by the controller contains at least one error and, if an error is detected, asserts a first error condition. The system includes a memory device having at least one memory device transmitter coupled to the link to transmit the second data. A second error protection generator coupled to the memory device transmitter dynamically adds an error detection code to at least a portion of the second data.Type: ApplicationFiled: August 14, 2023Publication date: February 29, 2024Inventors: Ely K. Tsern, Mark A. Horowitz, Frederick A. Ware
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Patent number: 11823757Abstract: Volatile memory devices may be on a first memory module that is coupled to a memory controller by a first signal path. A nonvolatile memory device may be on a second memory module that is coupled to the first memory module by a second signal path. A memory transaction for the nonvolatile memory device may be transferred from the memory controller to at least one of the volatile memory devices using the first signal path and data associated with the memory transaction is to be written from at least one of the volatile memory devices to the nonvolatile memory device using the second signal path and a control signal. A durability circuit may generate the control signal based on a comparison of a number of write transactions to a particular memory location with a threshold value.Type: GrantFiled: August 21, 2020Date of Patent: November 21, 2023Assignee: Rambus Inc.Inventors: Craig Hampel, Mark Horowitz
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Patent number: 11775369Abstract: A memory system includes a link having at least one signal line and a controller. The controller includes at least one transmitter coupled to the link to transmit first data, and a first error protection generator coupled to the transmitter. The first error protection generator dynamically adds an error detection code to at least a portion of the first data. At least one receiver is coupled to the link to receive second data. A first error detection logic determines if the second data received by the controller contains at least one error and, if an error is detected, asserts a first error condition. The system includes a memory device having at least one memory device transmitter coupled to the link to transmit the second data. A second error protection generator coupled to the memory device transmitter dynamically adds an error detection code to at least a portion of the second data.Type: GrantFiled: February 28, 2020Date of Patent: October 3, 2023Assignee: Rambus Inc.Inventors: Ely K. Tsern, Mark A. Horowitz, Frederick A. Ware
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Patent number: 11706061Abstract: A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.Type: GrantFiled: January 11, 2022Date of Patent: July 18, 2023Assignee: Rambus Inc.Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Fred F. Chen, Elad Alon, Mark A. Horowitz
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Publication number: 20230140420Abstract: A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.Type: ApplicationFiled: November 1, 2022Publication date: May 4, 2023Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Bruno W. Garlepp, Grace Tsang, Mark A. Horowitz, Jared L. Zerbe, Jason C. Wei
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Patent number: 11502878Abstract: A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.Type: GrantFiled: August 21, 2020Date of Patent: November 15, 2022Assignee: Rambus Inc.Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Bruno W. Garlepp, Grace Tsang, Mark A. Horowitz, Jared L. Zerbe, Jason C. Wei
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Publication number: 20220238159Abstract: Control logic within a memory control component outputs first and second memory read commands to a memory module at respective times, the memory module having memory components disposed thereon. Interface circuitry within the memory control component receives first read data concurrently from a first plurality of the memory components via a first plurality of data paths, respectively, in response to the first memory read command, and receives second read data concurrently from a second plurality of the memory components via a second plurality of data paths, respectively, in response to the second memory read command, the first plurality of the memory components including at least one memory component not included in the second plurality of the memory components and vice-versa.Type: ApplicationFiled: January 3, 2022Publication date: July 28, 2022Inventors: Gary B. Bronner, Brent Steven Haukness, Mark A. Horowitz, Mark D. Kellam, Fariborz Assaderaghi
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Publication number: 20220209999Abstract: A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.Type: ApplicationFiled: January 11, 2022Publication date: June 30, 2022Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Fred F. Chen, Elad Alon, Mark A. Horowitz
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Patent number: 11244727Abstract: Control logic within a memory control component outputs first and second memory read commands to a memory module at respective times, the memory module having memory components disposed thereon. Interface circuitry within the memory control component receives first read data concurrently from a first plurality of the memory components via a first plurality of data paths, respectively, in response to the first memory read command, and receives second read data concurrently from a second plurality of the memory components via a second plurality of data paths, respectively, in response to the second memory read command, the first plurality of the memory components including at least one memory component not included in the second plurality of the memory components and vice-versa.Type: GrantFiled: November 12, 2015Date of Patent: February 8, 2022Assignee: Rambus Inc.Inventors: Gary B. Bronner, Brent S. Haukness, Mark A. Horowitz, Mark D. Kellam, Fariborz Assaderaghi
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Patent number: 11233678Abstract: A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.Type: GrantFiled: August 21, 2020Date of Patent: January 25, 2022Assignee: Rambus Inc.Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Fred F. Chen, Elad Alon, Mark A. Horowitz
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Publication number: 20210075651Abstract: A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.Type: ApplicationFiled: August 21, 2020Publication date: March 11, 2021Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Bruno W. Garlepp, Grace Tsang, Mark A. Horowitz, Jared L. Zerbe, Jason C. Wei
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Publication number: 20210051047Abstract: A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.Type: ApplicationFiled: August 21, 2020Publication date: February 18, 2021Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Fred F. Chen, Elad Alon, Mark A. Horowitz
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Publication number: 20210035652Abstract: Volatile memory devices may be on a first memory module that is coupled to a memory controller by a first signal path. A nonvolatile memory device may be on a second memory module that is coupled to the first memory module by a second signal path. A memory transaction for the nonvolatile memory device may be transferred from the memory controller to at least one of the volatile memory devices using the first signal path and data associated with the memory transaction is to be written from at least one of the volatile memory devices to the nonvolatile memory device using the second signal path and a control signal. A durability circuit may generate the control signal based on a comparison of a number of write transactions to a particular memory location with a threshold value.Type: ApplicationFiled: August 21, 2020Publication date: February 4, 2021Inventors: Craig Hampel, Mark Horowitz
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Patent number: 10782344Abstract: A technique for determining performance characteristics of electronic devices and systems is disclosed. In one embodiment, the technique is realized by measuring a first response on a first transmission line from a single pulse transmitted on the first transmission line, and then measuring a second response on the first transmission line from a single pulse transmitted on at least one second transmission line, wherein the at least one second transmission line is substantially adjacent to the first transmission line. The worst case bit sequences for transmission on the first transmission line and the at least one second transmission line are then determined based upon the first response and the second response for determining performance characteristics associated with the first transmission line.Type: GrantFiled: April 19, 2018Date of Patent: September 22, 2020Assignee: Rambus Inc.Inventors: Haw-Jyh Liaw, Xingchao Yuan, Mark A. Horowitz
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Patent number: 10771295Abstract: A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to receive the first signal via the signal path and configured to generate an indication of whether the first signal exceeds a threshold level. A first threshold control circuit is coupled to receive the indication from the receive circuit and configured to adjust the threshold level according to whether the first signal exceeds the threshold level. A drive strength control circuit is coupled to receive the indication from the receive circuit and configured to adjust a drive strength of at least one output driver of the plurality of output drivers according to whether the first signal exceeds the threshold level.Type: GrantFiled: August 22, 2019Date of Patent: September 8, 2020Assignee: Rambus Inc.Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Fred F. Chen, Elad Alon, Mark A. Horowitz
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Patent number: 10764094Abstract: A signaling system is described. The signaling system comprises a transmit device, a receive device including a partial response receive circuit, and a signaling path coupling the transmit device and the receive device. The receive device observes an equalized signal from the signaling path, and includes circuitry to use feedback from the most recent previously resolved symbol to sample a currently incoming symbol. The transmit device equalizes transmit data to transmit the equalized signal, by applying weighting based on one or more data values not associated with the most recent previously resolved symbol value.Type: GrantFiled: February 27, 2019Date of Patent: September 1, 2020Assignee: Rambus Inc.Inventors: Vladimir M. Stojanovic, Andrew C. Ho, Anthony Bessios, Bruno W. Garlepp, Grace Tsang, Mark A. Horowitz, Jared L. Zerbe, Jason C. Wei
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Patent number: 10755794Abstract: Volatile memory devices may be on a first memory module that is coupled to a memory controller by a first signal path. A nonvolatile memory device may be on a second memory module that is coupled to the first memory module by a second signal path. A memory transaction for the nonvolatile memory device may be transferred from the memory controller to at least one of the volatile memory devices using the first signal path and data associated with the memory transaction is to be written from at least one of the volatile memory devices to the nonvolatile memory device using the second signal path and a control signal. A durability circuit may generate the control signal based on a comparison of a number of write transactions to a particular memory location with a threshold value.Type: GrantFiled: August 30, 2017Date of Patent: August 25, 2020Assignee: Rambus Inc.Inventors: Craig Hampel, Mark Horowitz
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Publication number: 20200264943Abstract: A memory system includes a link having at least one signal line and a controller. The controller includes at least one transmitter coupled to the link to transmit first data, and a first error protection generator coupled to the transmitter. The first error protection generator dynamically adds an error detection code to at least a portion of the first data. At least one receiver is coupled to the link to receive second data. A first error detection logic determines if the second data received by the controller contains at least one error and, if an error is detected, asserts a first error condition. The system includes a memory device having at least one memory device transmitter coupled to the link to transmit the second data. A second error protection generator coupled to the memory device transmitter dynamically adds an error detection code to at least a portion of the second data.Type: ApplicationFiled: February 28, 2020Publication date: August 20, 2020Inventors: Ely K. Tsern, Mark A. Horowitz, Frederick A. Ware