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PCA9546A: what different between TCA & PCA

Youchin Ling
Prodigy 10 points

Part Number: PCA9546A
Other Parts Discussed in Thread: TCA9546A

Dear TI,

I saw the 9546 have two kind of title,

one is TCA9546A, and another is PCA9546A,

what's different?

  • 0
    TI__Expert 8030 points

    Hi Youchin,

    One of the significant differences between the two devices is the supply voltage range. The TCA9546A has a wider operating voltage range of 1.65V to 5.5V, whereas the PCA9546A has a narrower range of 2.3V to 5.5V. This difference in supply voltage range also impacts the high and low input voltage thresholds.

    Thank you,
    Arya