PCA9539D,118
- Mfr.Part #
- PCA9539D,118
- Manufacturer
- NXP Semiconductors
- Package / Case
- 24-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- I/O EXPANDER 16 IC, SMBUS 400KHZ
- Stock
- 18,712
- In Stock :
- 18,712
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- I/O Expanders
- Current - Output Source/Sink :
- 10mA 25mA
- Package / Case :
- 24-SOIC (0.295, 7.50mm Width)
- Output Type :
- Push-Pull
- Interrupt Output :
- yes
- Mounting Type :
- Surface Mount
- Interface :
- I2C, SMBus
- Packaging :
- Tape and Reel (TR)
- Number of I/O :
- 16
- RoHS Status :
- ROHS3 Compliant
- Supplier Device Package :
- 24-SO
- Operating Temperature :
- -40°C~85°C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Feature :
- POR
- Clock Frequency :
- 400kHz
- Voltage - Supply :
- 2.3V~5.5V
- Datasheets
- PCA9539D,118

I/O Expanders NXP Semiconductors PCA9539D,118 Overview
The I/O Expanders NXP Semiconductors PCA9539D,118 is a highly versatile and reliable 16-bit I/O expander, ideal for extending the number of I/O ports when microcontroller ports are limited. Designed by NXP Semiconductors, this device operates efficiently under the SMBus protocol at speeds up to 400 kHz, providing a seamless and efficient interface for a wide range of applications. Its robust design and scalability make it particularly well-suited for complex digital systems that require additional I/O capabilities without compromising performance.
PCA9539D,118 Features
The PCA9539D,118 I/O expander includes several key features that enhance its applicability for various demanding uses. It supports up to 16 I/O ports that can be individually set as input or output, allowing full customization based on specific needs. The device operates over a wide voltage range and offers built-in features such as power-on reset and noise filter on the SDA/SCL inputs, enhancing its reliability and stability in diverse operational environments.
PCA9539D,118 Applications
- Industrial Control Systems: Utilized to expand the number of control signals without requiring additional microcontrollers, enhancing the interface capabilities of manufacturing equipment.
- Home Automation: Integrated into smart home systems for controlling a larger array of sensors and actuators, improving the efficiency and responsiveness of smart devices.
- Server Management: Deployed within server farms to manage multiple signal pathways efficiently, allowing for streamlined operation and maintenance of large-scale server environments.
- Automotive Electronics: Used in automotive applications to manage complex input/output tasks required for modern vehicle electronics, including sensor data collection and actuator control.
- Robotics: Enables enhanced control over robotic systems, providing additional ports for sensors and actuators, thus facilitating more complex movements and functionalities.
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