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TCA9803 Datasheet(PDF) 30 Page - Texas Instruments

Part # TCA9803
Description  TCA9803 Level-Translating I2C Bus Buffer/Repeater
PDF  38 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TCA9803 Datasheet(HTML) 30 Page - Texas Instruments

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To V
CCB Plane
To V
CCA Plane
SCLB
SDAB
EN
VCCB
SCLA
SDAA
GND
VCCA
= Via to GND Plane
30
TCA9803
SCPS267B – MARCH 2017 – REVISED FEBRUARY 2020
www.ti.com
Product Folder Links: TCA9803
Submit Documentation Feedback
Copyright © 2017–2020, Texas Instruments Incorporated
12 Layout
12.1 Layout Guidelines
There are no special considerations required for most I2C translators, but there are common practices which are
always recommended.
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.
12.2 Layout Example
Figure 37. TCA980x DGK Layout Example



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