SLVSJW9
May 2026
PCA9306H
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
5.6
Switching Characteristics (Translating Down)
5.7
Switching Characteristics (Translating Up)
5.8
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.1.1
Definition of threshold voltage
7.1.2
Correct Device Set Up
7.1.3
Switch and Translation Configuration
7.1.4
Negative Glitch Immunity
7.1.5
Controller on Side 1 or Side 2 of Device
7.1.6
LDO and PCA9306H Concerns
7.1.7
Current Limiting Resistance on VREF2
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable (EN) Pin
7.3.2
Voltage Translation
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
General Applications of I2C
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Bidirectional Voltage Translation
8.2.2.2
Sizing Pullup Resistors
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
Mechanical, Packaging, and Orderable Information
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Data Sheet
PCA9306H
Dual Bidirectional I
2
C Bus and SMBus Voltage-Level Translator