SCPS315
April 2025
TCAL9539R
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
Timing Requirements
5.7
I2C Bus Timing Requirements
5.8
Switching Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
I/O Port
7.3.2
Adjustable Output Drive Strength
7.3.3
Interrupt Output (INT)
7.3.4
Reset Input (RESET)
7.3.5
Software Reset Call
7.4
Device Functional Modes
7.4.1
Power-On Reset
7.5
Programming
7.5.1
I2C Interface
7.6
Register Maps
7.6.1
Device Address
7.6.2
Control Register and Command Byte
7.6.3
Register Descriptions
7.6.4
Bus Transactions
7.6.4.1
Writes
7.6.4.2
Reads
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Minimizing ICC When I/Os Control LEDs
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
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|24
MPDS363A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps315_oa
Data Sheet
TCAL9539R
Low-Voltage 16-Bit I2C-Bus, SMBus I/O Expander with Interrupt Output, Reset, and Configuration Registers