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SN74AHCT244: importance of the IC in the reference design of TIDA-00626

Pratik Tanwar
Intellectual 605 points
Part Number: SN74AHCT244
Other Parts Discussed in Thread: TIDA-00626, , SN74LVC8T245

respected,

 i have been working on the reference design of TIDA-00626. have developed the board. In BOM SN74AHCT244 was mentioned as U9. but in the datasheet of TIDA-00626 the SN74AHCT244 IC has not been placed. Should i place it or should i skip it. please let me know the same

  • 0
    TI__Guru* 96712 points
    Hi Pratik,
    It looks like they included the SN74AHCT244 to translate from 3.3V outputs on the MSP430 to the 5V inputs of another device.

    If you need to do a 3.3V signal up to 5V conversion, you will want to include a voltage translator (I would actually recommend using a dual supply translator like SN74LVC8T245 because it will reduce total power consumption)