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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.
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Tell me about the power-up sequence and signal input timing for dual-supply level shifters?

For example, see the figure shown below.

Power up VCCB first since the VCCB domain contains control circuitry.

VCCA must be powered up at the same time as or after VCCB.

The input signals must be applied to (1B1 - 1B8) after the control signals (/OE and DIR) are set to appropriate values.

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