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Original question:

SN74AXC4T774-Q1: SPI PCB inter-board communication

TXU0304: PCB board-to-board connection

Kazuki Itoh
Genius 10820 points
Part Number: TXU0304
Other Parts Discussed in Thread: SN65LVDT41

Hi team,

I found TXU0304 can be recommended for SPI interboard communication from this thread.

My customer is looking for SPI board-to-board tranceiver device as well for below requirement.

- Data rate: <50Mbps

- Cable length: <2m

Do you think TXU0304 is still good device to recommend?

Regards,

Itoh

  • +1
    Guru 317320 points

    Which voltage? Do you actually need level shifting?

    The TXU is the best choice for level shifting to 5 V. AXC level shifters are stronger at 3.3 V and below. Without level shifting, plain LVC buffers are stronger.

    If the environment is very noisy, you might need differential signals (e.g., SN65LVDT41/14).