SCPS317
June 2026
TXE8148
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
5.9
Typical 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
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
TXE8148 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)
DGG|56
MPDS570
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps317_oa
5.9
Typical Characteristics
T
A
= 25°C (unless otherwise noted)
Figure 5-1
Active Current vs Temperature (f
SCLK
= 5MHz)
Figure 5-3
Standby Supply Current vs Temperature
Figure 5-5
V
OL
vs I
OL
for V
CC
= 2.5V
Figure 5-7
V
OL
vs I
OL
for V
CC
= 5.0V
Figure 5-9
V
OH
vs I
OH
for V
CC
= 2.5V
Figure 5-11
V
OH
vs I
OH
for V
CC
= 5.0V
Figure 5-13
V
OL
vs Temperature - |I
OL
| = 8mA
Figure 5-15
V
OH
vs Temperature - |I
OH
| = 4mA
Figure 5-17
V
OH
vs Temperature - |I
OH
| = 10mA
Figure 5-2
Active Current vs Temperature (f
SCLK
= 10MHz)
Figure 5-4
V
OL
vs I
OL
for V
CC
= 1.8V
Figure 5-6
V
OL
vs I
OL
for V
CC
= 3.3V
Figure 5-8
V
OH
vs I
OH
for V
CC
= 1.8V
Figure 5-10
V
OH
vs I
OH
for V
CC
= 3.3V
Figure 5-12
V
OL
vs Temperature - |I
OL
| = 4mA
Figure 5-14
V
OL
vs Temperature - |I
OL
| = 10mA
Figure 5-16
V
OH
vs Temperature - |I
OH
| = 8mA