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Frequent questions

  • [FAQ] DS90UB960-Q1: BIST Duration

    Part Number: DS90UB960-Q1 Hi Team, What is the recommended duration to run the BIST? Thanks Reed

  • [FAQ] How to select correct RGMII delay mode for PHY and MAC?

    RGMII standard asks for the introduction of delay in the clock (RX_CLK/TX_CLK) with respect to the respective data (RX_D*/RX_CTRL or TX_D*/TX_CTRL). This delay can be introduced at the source of the clock or at the receiver side. Following table should…

  • [FAQ] How to select the crystal's ppm specification for an Ethernet system?

    Other Parts Discussed in Thread: DP83TC811 Ethernet data travels effectively from one MAC to another MAC with two Ethernet PHYs in between. Each of these 4 ICs can have their own reference clocks and crystal attached to each is the usual source of this…

  • [FAQ] DP83867IR: DP83867 digital loopback fail, how to set MII and PCS loopback

    Part Number: DP83867IR Hi Team: Customer side need our help to find the root cause of DP83867 Communication failure issue from one failed board . could you please help to take a look at the attached , customer need to know How to enable MII and PCS…

  • [FAQ] RGMII Timing - Align and Shift mode

    Definitions: TX_DATA[3:0], TX_CLK (naming of TI Ethernet PHYs) are transmitted by the MAC/(Repeater PHY) and RX_DATA[3:0], RX_CLK (naming of TI Ethernet PHYs) are transmitted by Ethernet PHY. S.No Mode Definition 1 PHY: RX Align…

  • [FAQ] DS90UB933-Q1: DS90UB933-Q1 and DS90UB913A-Q1 MODE Decode

    Part Number: DS90UB933-Q1 Other Parts Discussed in Thread: DS90UB913A-Q1 , How do I determine if the DS90UB933-Q1 or DS90UB913A-Q1 device is operating in RAW10, RAW12LF, or RAW12HF through registers?

  • [FAQ] Demystifying Surge Protection

    Please refer to the links below to access our content related to Demystifying Surge Protection: Videos https://training.ti.com/getting-started-interface-protection White paper https://www.ti.com/lit/pdf/slyy152

  • [FAQ] ESD Fundamentals Training

    Please refer to the links below to access our ESD Fundamentals training: Videos https://training.ti.com/getting-started-interface-protection Blog Posts Part 1: https://e2e.ti.com/blogs_/b/powerhouse/posts/esd-fundamentals-part-1-what-is…

  • [FAQ] ESD and TVS Protection Devices: Key Collateral and FAQs

    Please use the links below to access our top collateral/FAQs to learn all about protection devices, ESD and surge standards, and how to properly protect your system from ESD and surge events. [FAQ] What TI ESD/TVS diode should I use to protect Interfaces…

  • [FAQ] How to select TI High Speed Mux devices?

    There are many Mux devices in TI high speed portfolio, sometimes it's not easy to select a right part for a particular application. This FAQ is used to help FAE or customer to choose the right Mux device based on Mux performance, channel numbers, protocols…

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