Manufacturer Part Number
PCA9534ADBR
Manufacturer
Texas Instruments
Introduction
PCA9534ADBR is an 8-bit I/O expander designed for I2C and SMBus interface, featuring interruption output and power-on reset.
Product Features and Performance
8-bit I/O expander
Compatible with I2C and SMBus interfaces
Interrupt output functionality
Power-on Reset (POR) feature
Push-pull output type
Clock frequency of 400 kHz
Product Advantages
Ensures consistent and reliable expandability of I/O ports
Supports high-speed communication
Interrupt output enhances system responsiveness
Push-pull outputs deliver faster signal transition
Key Technical Parameters
Number of I/O: 8
Interface: I2C, SMBus
Interrupt Output: Yes
Current Output Source/Sink: 10mA, 25mA
Clock Frequency: 400 kHz
Voltage Supply: 2.3V to 5.5V
Operating Temperature: -40°C to 85°C
Mounting Type: Surface Mount
Package/Case: 16-SSOP
Quality and Safety Features
Robust operating temperature range ensuring reliability in varying environments
Designed for low voltage and power efficient applications
Compatibility
Optimal for use in systems requiring additional I/O ports with minimal power draw
Compatible with any system supporting I2C or SMBus protocols
Application Areas
Embedded Systems
Servers
Industrial Controls
Consumer Electronics
Product Lifecycle
Status: Obsolete
Note: Replacement or upgraded models may be available, consult Texas Instruments for alternatives.
Several Key Reasons to Choose This Product
High integration capability with 8 I/Os using only one device
Efficient in systems with limited space due to compact 16-SSOP package
Flexible for various applications due to wide voltage supply range
Increases the functionality and response time of the host system with interrupt features
Durable and reliable for industrial applications with a broad operating temperature range