SCPS309B
August 2025 – June 2026
TXE8116
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
SPI 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
Interrupt Output (INT)
7.3.3
Reset Input (RESET)
7.3.4
Bus Hold
7.3.5
Fail-safe Mode
7.3.6
Software Reset Call
7.3.7
Daisy Chain
7.3.8
Multi Port
7.3.9
Feature Register Mapping
7.4
Device Functional Modes
7.4.1
Power-On Reset
7.5
Programming
7.5.1
SPI
7.5.2
SPI Data Format
7.5.3
Burst Mode
7.5.4
SPI Write
7.5.5
SPI Read
7.5.6
SPI Daisy Chain
7.6
TXE8116 Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
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)
DGS|24
MPSS138
RGE|24
MPQF124G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps309b_oa
scps309b_pm
Data Sheet
TXE8116
16-Bit
SPI Bus I/O Expander with Interrupt Output, Reset Input, and I/O Configuration Registers