SCPS128D
July 2006 – March 2021
PCA9554
PRODUCTION DATA
1
Features
2
Description
3
Revision History
4
Description (Continued)
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
I2C Interface Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Functional Block Diagram
8.2
Device Functional Modes
8.2.1
Power-On Reset
8.2.2
I/O Port
8.2.3
Interrupt Output ( INT)
8.2.3.1
Interrupt Errata
23
8.2.3.1.1
24
8.2.3.1.2
25
8.3
Programming
8.3.1
I2C Interface
8.3.2
Register Map
8.3.2.1
Device Address
8.3.2.2
Control Register And Command Byte
8.3.2.3
Register Descriptions
8.3.2.4
Bus Transactions
8.3.2.4.1
Writes
8.3.2.4.2
Reads
9
Application Information Disclaimer
9.1
Application Information
9.1.1
Typical Application
9.1.1.1
Design Requirements
9.1.1.1.1
Minimizing ICC When I/Os Control Leds
10
Power Supply Recommendations
10.1
Power-On Reset Requirements
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGV|16
MPDS006C
PW|16
MPDS361A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
scps128d_oa
scps128d_pm
8.2
Device Functional Modes