CAT9534WI-G
- Mfr.Part #
- CAT9534WI-G
- Manufacturer
- onsemi
- Package / Case
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16SOIC
- Stock
- 12,405
- In Stock :
- 12,405
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- Manufacturer :
- onsemi
- Product Category :
- I/O Expanders
- Width :
- 3.9mm
- Terminal Pitch :
- 1.27mm
- uPs/uCs/Peripheral ICs Type :
- PARALLEL IO PORT, GENERAL PURPOSE
- Number of Ports :
- 1
- Number of I/O :
- 8
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Number of Terminals :
- 16
- Pin Count :
- 16
- Operating Temperature (Max) :
- 85°C
- Terminal Form :
- Gull wing
- JESD-30 Code :
- R-PDSO-G16
- Supply Voltage-Min (Vsup) :
- 2.3V
- JESD-609 Code :
- e4
- Operating Temperature (Min) :
- -40°C
- Qualification Status :
- COMMERCIAL
- Seated Height-Max :
- 1.75mm
- Temperature Grade :
- Industrial
- Terminal Position :
- Dual
- Length :
- 9.9mm
- Surface Mount :
- yes
- Supply Voltage-Max (Vsup) :
- 5.5V
- Datasheets
- CAT9534WI-G

I/O Expanders onsemi CAT9534WI-G Overview
The onsemi CAT9534WI-G I/O Expander enhances the efficiency of microcontroller-based systems by extending the number of available I/O ports. This versatile 16-bit I/O component is ideal for scenarios where additional inputs/outputs are required. It operates via an I2C bus, allowing for easy integration into existing architectures, particularly where pin count is limited and board space is at a premium. Designed for robust performance, the CAT9534WI-G I/O Expander is housed in a compact 16SOIC package, making it an excellent choice for a wide array of industrial and commercial applications.
CAT9534WI-G Features
The CAT9534WI-G I/O Expander from onsemi offers multiple features that make it highly beneficial for complex digital systems. It supports not only a standard I2C interface for simple integration but also provides an interrupt output that can be configured to alert the host controller when input changes occur. The device includes polarity inversion registers that allow users to configure the polarity of the input port data without requiring additional hardware. Its low power consumption and wide operating voltage range (2.3V to 5.5V) ensure suitability for both portable and high-demand applications.
CAT9534WI-G Applications
- Automotive Control Systems: The CAT9534WI-G can be used to expand the input/output capabilities in automotive environments, facilitating more complex control systems without the need for additional microcontrollers.
- Industrial Automation: In industrial settings, this I/O expander manages multiple sensors and actuators, simplifying the design and maintenance of control systems.
- Home Automation Systems: It is ideal for integrating more devices and controls into home automation hubs, enhancing user interaction and functionality.
- Mobile Devices: The CAT9534WI-G serves to add extra buttons or indicators to compact devices, making them more versatile while maintaining a small footprint.
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