CN105190585B - 基于操作速度的数据总线反相(dbi)编码 - Google Patents

基于操作速度的数据总线反相(dbi)编码 Download PDF

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Publication number
CN105190585B
CN105190585B CN201480012359.9A CN201480012359A CN105190585B CN 105190585 B CN105190585 B CN 105190585B CN 201480012359 A CN201480012359 A CN 201480012359A CN 105190585 B CN105190585 B CN 105190585B
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Prior art keywords
data bus
bus inversion
data
dbi
algorithm
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Chinese (zh)
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CN105190585A (zh
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T·M·霍利斯
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Qualcomm Inc
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Qualcomm Inc
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4286Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/287Multiplexed DMA
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • G06F13/4226Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus with asynchronous protocol
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Information Transfer Systems (AREA)
  • Dc Digital Transmission (AREA)
CN201480012359.9A 2013-03-15 2014-03-11 基于操作速度的数据总线反相(dbi)编码 Active CN105190585B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361791865P 2013-03-15 2013-03-15
US61/791,865 2013-03-15
US14/202,783 US9529749B2 (en) 2013-03-15 2014-03-10 Data bus inversion (DBI) encoding based on the speed of operation
US14/202,783 2014-03-10
PCT/US2014/023508 WO2014150529A1 (en) 2013-03-15 2014-03-11 Data bus inversion (dbi) encoding based on the speed of operation

Publications (2)

Publication Number Publication Date
CN105190585A CN105190585A (zh) 2015-12-23
CN105190585B true CN105190585B (zh) 2018-04-13

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CN201480012359.9A Active CN105190585B (zh) 2013-03-15 2014-03-11 基于操作速度的数据总线反相(dbi)编码

Country Status (6)

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US (2) US9529749B2 (enExample)
EP (1) EP2972927B1 (enExample)
JP (1) JP6130043B2 (enExample)
KR (1) KR101759816B1 (enExample)
CN (1) CN105190585B (enExample)
WO (1) WO2014150529A1 (enExample)

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US10599606B2 (en) 2018-03-29 2020-03-24 Nvidia Corp. 424 encoding schemes to reduce coupling and power noise on PAM-4 data buses
US11159153B2 (en) 2018-03-29 2021-10-26 Nvidia Corp. Data bus inversion (DBI) on pulse amplitude modulation (PAM) and reducing coupling and power noise on PAM-4 I/O
US11966348B2 (en) 2019-01-28 2024-04-23 Nvidia Corp. Reducing coupling and power noise on PAM-4 I/O interface
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US10623200B2 (en) 2018-07-20 2020-04-14 Nvidia Corp. Bus-invert coding with restricted hamming distance for multi-byte interfaces
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US10861508B1 (en) 2019-11-11 2020-12-08 Sandisk Technologies Llc Transmitting DBI over strobe in nonvolatile memory
KR20210076606A (ko) 2019-12-16 2021-06-24 삼성전자주식회사 SoC, 메모리 장치, 전자 장치 및 전자 장치의 데이터 저장 방법
KR102888450B1 (ko) * 2020-06-02 2025-11-18 삼성전자 주식회사 메모리 장치 및 이를 포함하는 메모리 시스템
US11756592B2 (en) 2020-09-29 2023-09-12 Samsung Electronics Co., Ltd. Memory device supporting DBI interface and operating method of memory device
US11237729B1 (en) 2020-10-13 2022-02-01 Sandisk Technologies Llc Fast bus inversion for non-volatile memory
US12347508B2 (en) 2021-02-12 2025-07-01 Nvidia Corp. Error detection pin encoding scheme to avoid maximum transitions and further improve signal integrity on high speed graphic memory interfaces
US11720516B2 (en) 2021-08-15 2023-08-08 Apple Inc. Methods for data bus inversion
US11749374B1 (en) * 2022-02-22 2023-09-05 Winbond Electronics Corp. Memory device
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US9529749B2 (en) 2016-12-27
US20170075854A1 (en) 2017-03-16
KR101759816B1 (ko) 2017-07-31
KR20150132296A (ko) 2015-11-25
EP2972927A1 (en) 2016-01-20
WO2014150529A1 (en) 2014-09-25
JP2016514441A (ja) 2016-05-19
US20140281075A1 (en) 2014-09-18
JP6130043B2 (ja) 2017-05-17
US9798693B2 (en) 2017-10-24
CN105190585A (zh) 2015-12-23
EP2972927B1 (en) 2017-08-02

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