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] How do I terminate any unused channels of a logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ CMOS Inputs All CMOS inputs must be terminated at either Vcc or Ground. The inputs of a CMOS device are high-impedance. These terminations can be through a resistor (for example…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Are there voltage level translation / level shifter device recommendations for the industry standard interfaces like GPIO, SPI, UART, I2C, MDIO, RGMII, I2S etc?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ Here are the voltage level translation device recommendations for various industry standard interfaces: Interface Recommended Device 3.6V Maximum 5.5V Maximum…
    • Answered
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the default output of a latched device? (Flip-Flop, latch, register)

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ Flip-flops, latches, and registers do not have a default state on power up. The output is in an 'unknown' state until data is clocked through. Because of this, SPICE simulation models…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] How does a slow or floating input affect a CMOS device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ There are two primary issues associated with slow and floating inputs. Not sure what a 'floating input' is? Please see our FAQ: What is a floating input or floating node? (1) Shoot…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] If the OE pin is asserted to maintain Hi-Z at the IO, will it disconnect the internal pull-up resistors in TXS devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ Yes, the internal pull-up resistors are disconnected once OE is asserted(to enable High impedance on the IO ports) Additionally, if the device supports Vcc isolation feature …
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Can the input voltage (Vi) to my logic device be higher than the supply voltage (Vcc)?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ This question is really about the input structure of a logic device. There are primarily two types of CMOS input structures - one with a positive clamping diode, and one without…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Where do I connect the thermal pad of the logic QFN devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ Some datasheets do not specify what should be done with the thermal pad, such as in the image below: The thermal pad is recommended to be soldered to the PCB and electrically…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum capacitive load that a logic device can drive?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC2G34 FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ There are a few issues with trying to determine a maximum capacitive load for a standard CMOS logic device. First is propagation delay…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Why does a logic device's part number have an E4/G4 suffix?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, there will be no difference between a device labelled SN74xxG4 and SN74xx. Historically, G4 and E4 suffixes meant that the devices were rated to be "Green" or…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between TXS TXB and LSF devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ
    • over 7 years ago
    • Logic
    • Logic forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    Graphics display driver which supports touch-sensitive LCDs and compatible display 0 Locked

    247 views
    1 reply
    Latest over 4 years ago
    by Dennis Lehman
  • Not Answered

    PCIe Sideband signals 0 Locked

    1565 views
    1 reply
    Latest over 4 years ago
    by LeonardEllis
  • Answered

    LSF0204: Need low cost solution but with similar function 0 Locked

    316 views
    3 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC07A: Use SN74LVC07A Vcc=3.3V & VIH=5V 0 Locked

    367 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LV165A: Timing details with VCC = 3.3V 0 Locked

    270 views
    2 replies
    Latest over 4 years ago
    by franziskus
  • Answered

    LSF0204: Can LSF0204 support data translation between +1.8V and +1.05V ? 0 Locked

    445 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0204: Need low cost solution but function is similar 0 Locked

    297 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G123: configure as noretriggerable monostable? 0 Locked

    754 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    TXB0104: PU/PD on data lines when VCCB=0V and VCCA=1.8V 0 Locked

    335 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN54HCT04-SP: Alternative for M54HC125KT? 0 Locked

    213 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Not Answered

    TXB0108: Txb0108 and txs0108 level conversion chip problem consultation? 0 Locked

    413 views
    1 reply
    Latest over 4 years ago
    by Dylan Hubbard
  • Suggested Answer

    LSF0102: I3C level shift 0 Locked

    746 views
    3 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LVT125-Q1: Maximum Peak Current 0 Locked

    495 views
    4 replies
    Latest over 4 years ago
    by user3605066
  • Suggested Answer

    SN74HCS04-Q1: What is the difference between SN74HCS04-Q1 and SN74HCS14-Q1? 0 Locked

    485 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0102: TOP SIDE MARKING INFORMATION - LSF0102DQER 0 Locked

    340 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV245AT: What is the total output current capacity of all the 8 channels 0 Locked

    285 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC07A: application 0 Locked

    344 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC8T245: Dynamic power consumption calculation 0 Locked

    987 views
    2 replies
    Latest over 4 years ago
    by baptiste besson
  • Suggested Answer

    LSF0101: 1,2V to 1,8V conversion restricted by operating conditions? 0 Locked

    438 views
    5 replies
    Latest over 4 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AXC8T245: SN74AXC8T245RHLR thermal exposure pad connection 0 Locked

    210 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
<>