TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel
Clock & timing

Clock & timing

Clock & timing forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
Texas Instruments (TI) Clock & timing support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search clock & timing IC content or ask technical support questions on everything from clock synchronizers and generators to clock buffers and timers. 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.

Create system solutions with Clock Tree Architect.
Frequent questions
  • [FAQ] LMK5B33216: Determining impact of supply voltage noise and PSNR specification on output phase noise

    Timothy T
    Timothy T
    Part Number: LMK5B33216 This covers the math to simulate clock output phase noise noise as a result of voltage supply noise using PSNR and then creating a voltage supply noise mask based on your requirements. How to use PSNR data and input voltage…
    • 2 months ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] The What and How of TI DPLLs (What is a DPLL? How does a DPLL work?)

    Jennifer Bernal
    Jennifer Bernal
    Part Number: LMK5B33216 [DPLL Training Slides] The What-How of TI DPLLs_share, e2e.pdf
    • 2 months ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] PLLATINUMSIM-SW: PLL Training Material

    Dean Banerjee
    Dean Banerjee
    Part Number: PLLATINUMSIM-SW Attached is a detailed training on PLL Theory PLL Fundamentals Full Training (Public).pdf
    • 2 months ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] LMK5B33216: How to choose the loop bandwidth for your PLL

    Timothy T
    Timothy T
    Part Number: LMK5B33216 Here's some information on choosing a loop bandwidth for your PLL to optimize noise performance. The presentation starts with some general theory on noise and PLLs, discusses how to pick loop bandwidth for a "PLL/VCO optimized…
    • 2 months ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] TLC555: What are the performance differences expected for TLC555 PCN 20231130002.1?

    Ron Michallick
    Ron Michallick
    Part Number: TLC555 Other Parts Discussed in Thread: , TLC3555-Q1 , TLC3555 Tool/software: PCN 20231130002.1 is the “Qualification of RFAB using qualified Process Technology, Die Revision, Datasheet update and additional Assembly Site/BOM options…
    • Answered
    • 7 months ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] Does TI have crosses for obsolete Analog Devices HMC103x, HMC7xx, HMC8xx PLL family products and other discontinued products such as ADF5610 and HMC987 as per the Product Discontinuance Notice issued by ADI on March 22, 2022?

    Vibhu  Vanjari
    Vibhu Vanjari
    TI’s wide portfolio of RF PLLs & synthesizers features devices that are potential crosses for Analog Devices HMC103x, HMC7xx, HMC8xx PLL family products and other discontinued products such as ADF5610 and HMC987. With most of TI’s RF PLLs & synthesizers…
    • over 3 years ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] TPL5010: How to disable the watchdog function of TPL5010

    Dong Shen1
    Dong Shen1
    Part Number: TPL5010 Hi all, I am a FAE of TI,now my customer has a watchdog disabled problem, so I synchronously ask you for a solution: Problem Description: the customer's MCU wants to disable the watchdog function during the recording program…
    • Answered
    • over 4 years ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] Clock Buffers: How to connect the unused pins?

    Kia Rahbar
    Kia Rahbar
    When a pin on my clock buffer is not being used, what is the correct termination?
    • Answered
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] Clock Buffers: Can my buffer handle an input while it is powered off?

    Aaron Black
    Aaron Black
    If my buffer is powered off can an input go into the device without damaging it?
    • Answered
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
  • [FAQ] RF synthesizers: How to deal with the unused output differential pin in a RF synthesizer?

    Noel Fung
    Noel Fung
    I need single-ended output, how to deal with the unused output differential pin?
    • Answered
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    [FAQ] The What and How of TI DPLLs (What is a DPLL? How does a DPLL work?) 0

    509 views
    1 reply
    Latest 2 months ago
    by Timothy T
  • Not Answered

    CDC328A: ALternate for Infineon part#CY7B9910-5SXI 0

    0 views
    0 replies
    Started 12 minutes ago
    by Fahad Anees
  • Suggested Answer

    LMK03328: CLOCK JITTER CLEANER 0

    52 views
    6 replies
    Latest 22 minutes ago
    by Kim TaeJung
  • Not Answered

    LMX2594EVM: The TICSPRO does not recognize the LMX2594EVM 0

    5 views
    1 reply
    Latest 3 hours ago
    by Noel Fung
  • Suggested Answer

    LMK05318: LMK05318 boot failure after long‑term field operation – request for guidance 0

    209 views
    11 replies
    Latest 4 hours ago
    by Nelson Chang
  • Answered

    LMK04828: Clarification on CLKin behavior in High-Z mode with 100-ohm termination compared to external fail-safe biasing (LMK04828) 0

    98 views
    6 replies
    Latest 4 hours ago
    by woosung kim
  • Suggested Answer

    LMK04832: LMK04832 Setup for HSDS-8mA 0

    168 views
    14 replies
    Latest 5 hours ago
    by FarronDacus
  • Answered

    TPS40055: Check ERRATA of TPS40055* 0

    31 views
    2 replies
    Latest 9 hours ago
    by Frank De Stasi
  • Suggested Answer

    LMX2594EVM: spurious countermeasures for the LMX2594 0

    21 views
    1 reply
    Latest 11 hours ago
    by Noel Fung
  • Suggested Answer

    LMK04828-EP: TICS Pro Software Warning 0

    12 views
    1 reply
    Latest 11 hours ago
    by Noel Fung
  • Suggested Answer

    LMX2571: Spurious/undesired frequency output during register programming before PLL lock — recommended programming sequence? 0

    8 views
    1 reply
    Latest 11 hours ago
    by Noel Fung
  • Not Answered

    TLC555: Clarification about the design change PCN 20260217004.1 0

    32 views
    1 reply
    Latest 11 hours ago
    by Ron Michallick
  • Not Answered

    LMK5B12204: PLL Lock 0

    237 views
    20 replies
    Latest 12 hours ago
    by Connor Lewis
  • Not Answered

    LMK3H0102: Are VDD and VDD_1 connected internally ? 0

    75 views
    5 replies
    Latest 12 hours ago
    by Sandra Saba
  • Suggested Answer

    LMX2594: LMX2594 Ignores forced VCO_CAPCTRL and show differen phase relationship between programming cycles. 0

    57 views
    5 replies
    Latest 12 hours ago
    by Noel Fung
  • Not Answered

    TLC555Q: Post-PCN parts show frequency steps for small changes of timing cap, only one date code affected, others change linearly 0

    261 views
    16 replies
    Latest 12 hours ago
    by Ron Michallick
  • Answered

    LMX2492: LMX2492 ramp issue 0

    230 views
    11 replies
    Latest 1 day ago
    by Arun Hiregange
  • Suggested Answer

    LMX2572EVM: Ramp duration mis-behaviour 0

    64 views
    3 replies
    Latest 3 days ago
    by Noel Fung
  • Not Answered

    LMK04828: Correct programming sequence for LMK04828B and LMX1204 0

    73 views
    3 replies
    Latest 3 days ago
    by Michael Srinivasan
  • Suggested Answer

    LMX2572EVM: Desired RF generated even when Vtune is disconnected 0

    74 views
    3 replies
    Latest 3 days ago
    by Noel Fung
>