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
Logic

Logic

Logic forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
Texas Instruments (TI) Logic support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search logic IC content or ask technical support questions on everything from voltage level translation and transceivers to standard logic gates and specialty logic devices. 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] When will TI End of Life (EOL) or Obsolete a certain logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ TI's General Quality Guideline (page 7) describes our official policy on obsoleting a device. This policy is summarized below. TI's Product withdrawal/discontinuance process…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What are the power sequencing requirements for the translation device?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ Some of the TI translators have requirements during normal operation mode to have Vcca <= Vccb ( TXS/ TXB01xx) or Vrefb>= VrefA+0.8V(LSF). However, the TI translation devices do…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between IOFF and VCC isolation? What are the conditions to guarantee it?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The I OFF specification guarantees the I/O ports are in high impedance whenever either one of the power supply is at pulled to ground (0V) or close to gnd(<100mV as specified for the…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What should be done with unused I/O pins of the level translator devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ For the TXB family, unused I/O ports are recommended to be tied to GND through a weak pulldown resistors (>=100kohm). For TXS devices, the internal 10kohm pull-ups resistors will…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Why is there no PSpice model for a Monostable Multivibrator device?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ To make a long post short: MMVs cannot be directly simulated by PSpice because of their direct dependence on external components…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Difference between Multiplexer/De-multiplexer and Analog Switch

    Hari T O0
    Hari T O0
    Other Parts Discussed in Thread: TS5A3159-Q1 , TMUX1209 FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ Hi Team, May I know difference is there between mux/demux IC's and analog switch IC's? I'm comparing this in the context…
    • Answered
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I determine the output voltage (VOH, VOL) or output current (IOH, IOL) of a CMOS logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ The high logic level output voltage of a logic device with no load will be the supply voltage. The output current of a logic device is determined by the load connected to the device…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What happens when I connect a logic device's output to a 50 ohm transmission line?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ Transmission lines cause a lot of confusion for engineers. I hope to clear up some of that here. I will break this up into a few sections, so if you already know something you can…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Can I connect two outputs from a CMOS logic device together directly?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ **** It's important to note that this FAQ is in reference to CMOS devices. Bipolar devices should not be paralleled in this fashion. **** The primary concern with connecting outputs…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What does 'partial power down' or 'Ioff' mean in the datasheet?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The " Ioff " specification in the electrical characteristics table is only in the datasheet of devices that have the special feature of " partial power down " - also known as " back…
    • over 6 years ago
    • Logic
    • Logic forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Answered

    SN74AXC4T245: VOH, VOL Values at 1.8V VCCI 0 Locked

    81 views
    3 replies
    Latest 1 month ago
    by Abhijith TP
  • Suggested Answer

    SN74LVC245A: Checking some odd wording in the datasheet 0 Locked

    127 views
    1 reply
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    TXS0108E: Disable time value due to revision change. 0 Locked

    67 views
    1 reply
    Latest 1 month ago
    by Jack Guan
  • Not Answered

    SN74LV14A: PSpice for TI Simulation 0 Locked

    146 views
    4 replies
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    SN74LVC1G08: How to maintain the output amplitude of SN74LVC1G08 in the LMG1020EVM-006? 0 Locked

    246 views
    10 replies
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    AFE7950EVM: Reg-Onboard sampling Clock query 0 Locked

    73 views
    1 reply
    Latest 1 month ago
    by David Chaparro
  • Suggested Answer

    TXS0104E: Screen printing issue. 0 Locked

    89 views
    1 reply
    Latest 1 month ago
    by Jack Guan
  • Suggested Answer

    SN74LVC1G17: Is there an SPICE Transient model (un-encrypted) available for this device?? 0 Locked

    98 views
    1 reply
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    SN74ABT16543: SN74ABT16543DGG is this custom? 0 Locked

    63 views
    1 reply
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    TPS7H3024-SP: Need Orderable Part Number for TPS7H3024-SP in Military Grade Temperature Range 0 Locked

    71 views
    1 reply
    Latest 1 month ago
    by Sarah Koch
  • Answered

    SN54ACT11: MSL for 5962-9077201Q2A 0 Locked

    61 views
    2 replies
    Latest 1 month ago
    by Todd Manning
  • Suggested Answer

    SN74LVC1G04: Part usage 0 Locked

    69 views
    1 reply
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    CD4093B: CD4093B spec degrade or not at 5kM Altitude 0 Locked

    60 views
    1 reply
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    SN74LVC4245A: SN74LVC4245APWR performance degrade at 4km altitude 0 Locked

    44 views
    1 reply
    Latest 1 month ago
    by Joshua Salinas
  • Suggested Answer

    SN74HCT244: Why SN74HCT244N with ROHS=Yes and with NiPdAu lead finish have some parts received with "ROHS EXEMPT" on label? 0 Locked

    123 views
    6 replies
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    SN74LVC1G14: About VT+ for 5V Supply 0 Locked

    80 views
    1 reply
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AVC16T245: SN74AVC16T245ZQLR 0 Locked

    147 views
    3 replies
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    TPLD1201-DGS-EVM: TPLD1201-DGS-EVM config fail 0 Locked

    164 views
    6 replies
    Latest 1 month ago
    by Gary Chiang
  • Answered

    SN74AHCT541: Regarding Tstg 0 Locked

    95 views
    3 replies
    Latest 1 month ago
    by Daisuke Higa
  • Suggested Answer

    SN74HC04: 82AFCNF? 0 Locked

    178 views
    6 replies
    Latest 1 month ago
    by Clemens Ladisch
<>