SCPS267B
March 2017 – February 2020
TCA9803
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Integrated Current Source
9.3.2
Ultra-Low Power Consumption
9.3.3
No Static-Voltage Offset
9.3.4
Active-High Repeater Enable Input
9.3.5
Powered Off High Impedance I2C Bus Pins on A-Side
9.3.6
Powered-Off Back-Power Protection for I2C Bus Pins
9.3.7
Clock Stretching and Multiple Master Arbitration Support
9.4
Device Functional Modes
9.4.1
Device Operation Considerations
9.4.1.1
B-Side Input Low (VIL/IILC/RILC)
9.4.1.1.1
VILC & IILC
9.4.1.1.2
RILC
9.4.1.2
Input and Output Leakage Current (IEXT-I/IEXT-O)
9.4.1.2.1
IEXT-I
9.4.1.2.2
IEXT-O
10
Application and Implementation
10.1
Application Information
10.1.1
Device Selection Guide
10.1.2
Special Considerations for the B-side
10.1.2.1
FET or Pass-Gate Translators
10.1.2.2
Buffered Translators/Level-shifters
10.2
Typical Application
10.2.1
Single Device
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.3
Application Curves
10.2.2
Buffering Without Level-Shifting
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curve
10.2.3
Parallel Device Use Case
10.2.3.1
Design Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.3
Application Curves
10.2.4
Series Device Use Case
10.2.4.1
Design Requirements
10.2.4.2
Detailed Design Procedure
10.2.4.3
Application Curve
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps267b_oa
9.2
Functional Block Diagram
For proper device operation, no external current sources (pull-up resistors) must be used on the SDAB and SCLB ports