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SN74HC153: To know the output status during select pin swapped

Eric Lai
Expert 4940 points
Part Number: SN74HC153

Hi Expert,

The user want to know how the output look like if they make a data selection at same time (PIN A high to low and Pin B low to high).

Whether the output can switch smoothly to the expected level  ?

No dip and spike during the transient state ?

Best regards,

Eric Lai

 

Field Application Engineer

Texas Instruments Taiwan Limited

O: +886-2-2175-2582

M: +886-909-262-582

E-Mail:Eric.Lai@ti.com   

  • 0
    TI__Mastermind 44630 points

    Hi Eric,

    The output should switch "smoothly". However, transient overshoot and undershoot also depends on the users layout and load. So there really isn't a definitive answer for this.

    They can grab samples and use our Logic EVM to evaluate it. They will be able to implement the expected load and see if it gives the signal integrity they want.