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TXS0104E: TXS0104EDR for Encoder

Nivethitha D
Intellectual 320 points
Part Number: TXS0104E
Other Parts Discussed in Thread: TXU0104, SN74AHC125

Please suggest a good level translator for translating 5V encoder logic signals to 3v3 logic, which supports all high resolution CPR encoders

TXS0104EDR can this part be used?

  • 0
    TI__Mastermind 20051 points

    Hey Nivethitha,

    The TXS0104E is compatible with 3.3V- 5V single ended logic signals (with 3.3V signals referenced to the lower power supply, VCCA). I am unfamiliar with the system requirements surrounding CPR encoders- could you elaborate on specifics that are needed in your system? (i.e data rate, fixed direction signals per channel or auto bi-directional, stringent timing specs, etc.) 

    Regards,

    Jack 

  • 0
    Guru 257000 points

    The TXS will work, but is optimized for bidirectional open-drain applications.

    You can use a fixed-direction translator like the TXU0104, but for down-translation, a buffer with overvoltage-tolerant inputs like the SN74AHC125 also would work.