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TCA9548A Low-Voltage 8-Channel I2C Switch with Reset
SCPS207H
May 2012 – September 2024
TCA9548A
PRODUCTION DATA
CONTENTS
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TCA9548A Low-Voltage 8-Channel I2C Switch with Reset
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
I2C Interface Timing Requirements
5.7
Reset Timing Requirements
5.8
Switching Characteristics
5.9
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.4
Device Functional Modes
7.4.1
RESET Input
7.4.2
Power-On Reset
7.5
Programming
7.5.1
I2C Interface
7.5.2
Device Address
7.5.3
Bus Transactions
7.5.3.1
Writes
7.5.3.2
Reads
7.5.4
Control Register
7.5.5
RESET Input
7.5.6
Power-On Reset
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.3.1
Power-On Reset Requirements
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DGS|24
MPSS138
PW|24
MPDS363A
RGE|24
MPQF124G
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND024AD
Orderable Information
scps207h_oa
scps207h_pm
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