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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Are there level shifters compatible with serial communication standards (UART I2C) ?

The following table shows the recommended level shifters compatible with major communication standards as well as the number of lines available and transmission directions.
Perform verification using actual hardware at the design stage to ensure that the selected level shifter works properly.

Representative standards

Transmission signal

Transmission direction

Number of signals

Recommended products

UART

TDX
RXD
RTS
DTR

Fixed (unidirectional)

4

2 power bus buffer

I2C

SDA
SCLK

SDA-half duplex (bi-directional)
SCLK-retention (unidirectional)

2

2 power bus switch

UART
UART
I<sup>2</sup>C
I2C
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