SLVSLJ6A
May 2026 – September 2026
TCA9849
PRODUCTION DATA
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 (Global)
5.6
I2C Interface Timing Requirements
5.7
Reset Timing Requirements
5.8
Switching Characteristics
6
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.4
Device Functional Modes
8.4.1
RESET Input
8.4.2
Power-On Reset
8.5
Programming
8.5.1
I2C Interface
8.5.2
Device Address
8.5.3
Bus Transactions
8.5.3.1
Writes
8.5.3.2
Reads
8.5.4
Control Register
8.5.5
RESET Input
8.5.6
Power-On Reset
8.5.6.1
Software Reset
8.5.6.2
Device ID
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.3.1
Power-On Reset Requirements
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Data Sheet
TCA9849 Ultra Low-Voltage 4-Channel 1Mhz Capable I
2
C Multiplexer