TXS0104E: Normal communication
Part Number: TXS0104E
I would like to use TI TXS0104E and TXS0108E, please help to answer a few questions, thank you.
1.Is it ok to use two level conversion chips in series?
The operational scenario is as follows
A Board: TXS0108E&TXS0104E
A Board TXS0108E A4&A5 Pin connect B board B1&B2 Pin A Board TXS0104E A3&A4 Pin connect B board B3&B4 Pin
2.Is this series of chips suitable for serial communication? Is there any more suitable recommendation?
It is possible to uses multiple TXSes in series.
There are many protocols that are called "serial". If you have unidirectional signals, unidirectional or direction-controlled translators are usually more suitable.
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In reply to Clemens Ladisch:
You can refer to the FAQ below to see our recommended devices for standard communication protocols.
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In reply to Dylan Hubbard:
I would like to consult you on two other questions. Please help me answer them. Thank you。
In reply to user5861925:
The Rpua value is also stated in that excerpt. It can only be 40 kohm or 4 kohm.
The TXS devices can have issues with heavy loading or with other pull-ups/pull-downs on the I/O lines. Since you have two in series you need to make sure whatever is driving the line low can sink the amount of current from the pull ups of both devices.
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