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TCA9800 Datasheet, PDF (29/36 Pages) Texas Instruments – Level-Translating I2C Bus Buffer/Repeater
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TCA9800
SCPS264 – MARCH 2017
11 Power Supply Recommendations
The following need to be ensured when designing with the TCA980x family:
• VCCA is within the recommended voltage range
• VCCB is within the recommended voltage range
There are no supply sequencing requirements, VCCA may ramp before, after, or at the same time as VCCB.
There are no supply dependency requirements. VCCA may be greater than, less than, or equal to VCCB. Each
supply has its own requirement of voltage range, but there is no required relationship between VCCA and VCCB
values.
It is recommended that decoupling capacitors be used on the power supplies (0.1 µF and 1 µF) and that they be
placed as close as possible to the VCCA and VCCB pins.
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