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
1
Features
Operating supply voltage range of 1.65V to 5.5V
Low standby current consumption of 2.3µA typical
SPI SCLK Frequency
10MHz from 3.3V to 5.5V
5MHz from 1.65V to 5.5V
SPI daisy-chain supported
SPI read and write with burst mode
Multi-port SPI command to configure multiple ports simultaneously
I
OFF
supported input port pins
Active-low reset input (
RESET
)
Open-drain active-low interrupt output (
INT
)
Interrupt mask and status per I/O
Interrupt status per port
Built-in fail-safe I/O feature
Individual I/O configuration for
Input and Output function
Polarity inversion
Output push-pull and open-drain selection
Integrated pull-up or pull-down selection
Bus-hold feature to maintain last I/O state
Glitch filter enable selection
Latched outputs with 10mA drive capability for directly driving LEDs
Latch-up performance exceeds 100mA per JESD 78, class II
ESD protection exceeds JESD 22
2000V Human-body model (A114-A)
1000V Charged-device model (C101)