TCA9546A: the questions for signal testing on TCA9546A

Chieh Hao Chung

Prodigy 125 points

Part Number: TCA9546A
Other Parts Discussed in Thread: PCA9546A, PCA9548A

my customer have questions about the signal testing and simulation on TCA9546A.

they asked me that input signal and output signal is separated or connect to together.

they need to consider all of chips in simulation, such as I/O Buffer-to-I2C switch-to-Device?

Or have to do these seperately, “I/O Buffer-to-I2C switch” and “I2C switch-to-Device”?

In addition, they told me that they got some issue on TCA9546a before, d e2e suggest them can use PCA9546A.

But they still got some error from PCA9546A, they want to know whether can use PCA9548A model or not?

over 5 years ago

0 BOBBY over 5 years ago

TI__Mastermind 49040 points

Hello Chieh,

"But they still got some error from PCA9546A, they want to know whether can use PCA9548A model or not?"
What was the error they found?

-Bobby

0 Chieh Hao Chung over 5 years ago in reply to BOBBY

TI__Prodigy 125 points

HI Bobby,

customer tell me that they found tca9546A does not have series model, but pca9546A ibis file have, pls refer to the screenshot below.

Although e2e suggest them to use pca9546a, package is difference,

Can you help to update the complete data in this model.

0 Chieh Hao Chung over 5 years ago in reply to Chieh Hao Chung

TI__Prodigy 125 points

0 BOBBY over 5 years ago in reply to Chieh Hao Chung

TI__Mastermind 49040 points

Hey Chieh,

Can you make another thread about this here:

This is the forum which deals with modeling of our devices. I only can provide analog support for the devices.

I can reassign this post to the group responsible however last time I did this they were unresponsive. It is probably best to repost your question in the link above.

Thanks,

-Bobby

0 Herman Theodorus over 5 years ago in reply to BOBBY

TI__Genius 9775 points

Hi Bobby,

Can you send me TI internal email so that I know your real name and email address? I want to include you on the email conversation on this.

Herman Theodorus

0 Herman Theodorus over 5 years ago in reply to Herman Theodorus

TI__Genius 9775 points

Hi all,

Since we continue this discussion through TI internal email, I'll close this one. Our IBIS folks: David and Eric should be able to answer your inquiry through that email.

Herman

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TCA9546A: the questions for signal testing on TCA9546A