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Frequent questions

  • [FAQ] What is the maximum trace length that a logic device can drive?

    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ The maximum trace length that a logic device can drive is 60 mm. This is a safe trace length for most logic devices to drive across the majority of applications. This can often…

  • [FAQ] What is the thickness of Gold (Au), Palladium (Pd), or Nickel (Ni) for TI's NiPdAu lead finish?

    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ Material Thickness Å nm μm Nickel (Ni) 5000 500 0.5 Palladium (Pd) 200 20 0.02 Gold (Au) 30 to 150 3 to 15 0.003 to 0.015 More details can be found…

  • [FAQ] Why do some SOT package parts from TI have a pin that is not in the mechanical drawing?

    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, this is not an extra pin and it is nothing to be concerned about. It is part of the support used in the manufacturing process. - SOT (Single Outline Transistor…

  • [FAQ] SN74HCS00: The Logic Industry's Smallest Leaded Package; DYY

    Part Number: SN74HCS00 The Logic Industry’s Smallest Leaded Package; SOT-23-THIN (DYY) Many companies still rely solely on optical verification methods to ensure their components have been successfully soldered and are unwilling or not yet able…

  • [FAQ] What's the difference between a buffered and unbuffered CMOS device?

    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ Definition: A buffered CMOS device has output characteristics that only relies on the logical output of the gate. In a NOR gate, different input values can result in the same…

  • [FAQ] SN74HCS595-Q1: How do Wettable Flank WQFN packages (WBQB) help LOGIC automotive customers?

    Part Number: SN74HCS595-Q1 Other Parts Discussed in Thread: SN74HCS138-Q1 , SN74HCS151-Q1 , SN74HCS153-Q1 , SN74HCS157-Q1 , SN74HCS165-Q1 , SN74HCS259-Q1 , SN74HCS365-Q1 , SN74HCS367-Q1 , SN74HCS594-Q1 , Efficient Automated Optical Inspection (AOI) with new TI…

  • [FAQ] How will a logic device respond to a short or open circuit?

    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ This is provided as information only, and is not a guarantee of device performance under the conditions described. This is not a Pin FMEA document, as Standard Logic devices…

  • [FAQ] SN74LVC2G74: What is the difference between SN74LVC2G74 and SN74LVC1G74?

    Part Number: SN74LVC2G74 Other Parts Discussed in Thread: SN74LVC1G74 , What is the difference between SN74LVC2G74 and SN74LVC1G74? Who performs better?

  • [FAQ] Why is there a voltage offset at the input of the SN74AXCxTxxx device?

    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ The AXC family of Voltage Translators have built in dynamic pull-downs at the I/O. These pull-downs assist with with the glitch free power sequencing feature included in this…

  • [FAQ] Do I still need pull-up/pull-down resistors with bus-hold circuitry?

    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ Short answer: External pull-up/down resistors are not recommended for devices with bus-hold circuitry. Explanation: A pull-up or pull-down resistor will create a voltage-divider…

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