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Interface

Interface

Interface forum

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Texas Instruments (TI) Interface support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search interface IC content or ask technical support questions on everything from ESD protection to interfacing with USB, Ethernet, and HDMI. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] LMH1219: Internal Voltage Thresholds for 4-Level Input Configuration Pins

    Nick Peabody
    Nick Peabody
    Part Number: LMH1219 Tool/software: Hi All, It is common to wonder what is going on inside of ICs. Being an applications engineer at TI gives me the unique opportunity to report on this so that people can to understand our devices a little bit more…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] SN75LVPE5421: SN75LVPE5412 RSVD Pins 2 and 12 Tied to GND or Cap to GND?

    Nasser Mohammadi
    Nasser Mohammadi
    Part Number: SN75LVPE5421 Other Parts Discussed in Thread: SN75LVPE5412 , DS160PR412 Tool/software: First version of the data sheet required Cap to GND on RSVD pins 2 & 12. Then later revision called for zero-ohm Resistor to GND. Whether we use 0…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DS80PCI102: How does PCIe Receiver Detection work?

    Nasser Mohammadi
    Nasser Mohammadi
    Part Number: DS80PCI102 Tool/software: The receiver detection is part of the transmitter and it must correctly detect if there is a DC load impedance - 40 to 60-ohm or lower - is attached at the output of the transmitter. A transmitter - while at…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] ETHERNET Master FAQ

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Part Number: ETHERNET-SW Tool/software: This Master FAQ lists serves as a point of reference to find all FAQs made by TI's Ethernet Team. Standard Ethernet How do I choose magnetics for my industrial PHY? TI Ethernet PHY Capacitive Coupling…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83TG720S-Q1: How to maximize temperature sensor accuracy

    David Creger
    David Creger
    Part Number: DP83TG720S-Q1 Tool/software: Section 7.3.1.4 of the datasheet outlines the procedure to use the inbuilt temperature sensor in the DP83TG720 PHY. In order to maximize accuracy, please ensure the following: Sample "temperature_output_code…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83867E: What is required for RGMII Input Timing?

    Gerome Cacho
    Gerome Cacho
    Part Number: DP83867E Tool/software: For DP83867, and all RGMII PHYs within our portfolio, all pins marked with TX prefix (TX_D0-3, TX_EN, TX_CLK) are inputs to the PHY when operating in RGMII. The only timing specifications that are required for…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] TCAL9539-Q1: What I2C IO Expanders Support Q1 Grade?

    Tyler Townsend
    Tyler Townsend
    FAQ: Logic and Voltage Translation > IxC >> What I2C IO Expanders Support Automotive Grade 1? There are a total of 3 to date. TCAL9539-Q1 - 16-bit, 1.08V to 3.6V I2C IO Expander, single supply, interrupt, reset, Agile I/O Configuration TCA6408A…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] I2C IO Expander Schematic Checklist

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575 FAQ: Logic and Voltage Translation > IxC >> I2C IO Expander Schematic Checklist IO Expander Checklist …
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is the Auto Increment Feature in I2C IO Expanders?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA6424A FAQ: Logic and Voltage Translation > IxC >> What is the Auto Increment Feature in I2C IO Expanders? The auto-increment feature of I2C IO Expanders is when the registers of the device automatically increment…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is PassFET Hang Time?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA39306 FAQ: Logic and Voltage Translation > IxC >> What is PassFET Hangtime? To understand what passFET hangtime is, we need to define what a passFET is. A passFET is a transistor where the drain and source terminals…
    • over 1 year ago
    • Interface
    • Interface forum
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  • Answered

    TLIN1021A-Q1: INH Transition Time 0 Locked

    212 views
    1 reply
    Latest over 1 year ago
    by Sean Guo
  • Answered

    TRS3221E: SCH review of TRS3221EIDBR 0 Locked

    324 views
    4 replies
    Latest over 1 year ago
    by BOBBY
  • Suggested Answer

    SN65DSI83-Q1: TI IC to convert LVDS to 24-Bit TTL Parallel Data 0 Locked

    574 views
    2 replies
    Latest over 1 year ago
    by Nikolas Antonucci
  • Not Answered

    DS92LX1622: BIST_ERR register inaccessible, as i2c doesn't work after setting BIST_EN 0 Locked

    223 views
    3 replies
    Latest over 1 year ago
    by Nikolas Antonucci
  • Answered

    ESD321: ESD protection for 2 USB port connectors 0 Locked

    594 views
    7 replies
    Latest over 1 year ago
    by Josh Prushing
  • Suggested Answer

    HD3SS3415: USB3.0 4:1MUX lineup 0 Locked

    296 views
    3 replies
    Latest over 1 year ago
    by Brian Zhou
  • Not Answered

    DP83TC811R-Q1: PHY_AD setting by strap 0 Locked

    344 views
    3 replies
    Latest over 1 year ago
    by Avtar Dhaliwal
  • Not Answered

    LMH0041: LMH0041SQE/NOPB 0 Locked

    352 views
    8 replies
    Latest over 1 year ago
    by Nasser Mohammadi
  • Not Answered

    DP83849I: 1 channel as transmit source for the other channel use case 0 Locked

    252 views
    1 reply
    Latest over 1 year ago
    by Evan Mayhew
  • Not Answered

    DP83848I: DP83848I Unable to connect to Gigabit device problem 0 Locked

    228 views
    1 reply
    Latest over 1 year ago
    by Evan Mayhew
  • Suggested Answer

    TCA9548A: TCA9548 control sequence 0 Locked

    726 views
    7 replies
    Latest over 1 year ago
    by Kameron Hill
  • Suggested Answer

    DP83867IR: Restrictions on the PHY CLK input timing 0 Locked

    191 views
    1 reply
    Latest over 1 year ago
    by Evan Mayhew
  • Answered

    SN65C1168E: Should this dual driver/receiver IC be ESD packaged (?) -- customer states part needs to be ESD packaged; p/n SN65C1168EMPWTSEP [also p/n SN65C1168EMPWSEP] 0 Locked

    262 views
    1 reply
    Latest over 1 year ago
    by Parker Dodson
  • Suggested Answer

    TUSB1002: PS8811 replacement check 0 Locked

    352 views
    1 reply
    Latest over 1 year ago
    by David (ASIC) Liu
  • Suggested Answer

    TDP142: spec check 0 Locked

    415 views
    4 replies
    Latest over 1 year ago
    by Vishesh Pithadiya
  • Suggested Answer

    AM26C32: Product recommendation 0 Locked

    240 views
    1 reply
    Latest over 1 year ago
    by Parker Dodson
  • Suggested Answer

    TPD6F202: P2P Alternate for TPD4F202 and TPD6F202 0 Locked

    278 views
    1 reply
    Latest over 1 year ago
    by Josh Prushing
  • Answered

    SN65DP149: Does not copy I2C_SRC to I2C_SNK at startup - unless cable is disconnected and reconnected 0 Locked

    230 views
    1 reply
    Latest over 1 year ago
    by Steven VALSESIA
  • Suggested Answer

    SN65DSI86: SN65DSI86IPAPQ1 0 Locked

    392 views
    9 replies
    Latest over 1 year ago
    by Vishesh Pithadiya
  • Not Answered

    TIC10024-Q1: Voltage at INx Pin of TIC10024-Q1 0 Locked

    612 views
    8 replies
    Latest over 1 year ago
    by Jonathan Nerger
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