PCA9539DB
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- Mfr.Part #
- PCA9539DB
- Manufacturer
- Texas Instruments
- Package / Case
- 24-SSOP (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SSOP
- Stock
- 5,358
- In Stock ：
- 5,358
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Height :
- 2mm
- Width :
- 5.3mm
- Thickness :
- 1.95mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Terminal Form :
- Gull wing
- Factory Lead Time :
- 6 Weeks
- Number of Terminations :
- 24
- Number of Outputs :
- 2
- Terminal Pitch :
- 0.65mm
- Clock Frequency :
- 400kHz
- Contact Plating :
- Gold
- Package / Case :
- 24-SSOP (0.209, 5.30mm Width)
- Number of Pins :
- 24
- JESD-609 Code :
- e4
- Current - Output Source/Sink :
- 10mA 25mA
- Operating Supply Voltage :
- 5.5V
- Interrupt Output :
- yes
- ECCN Code :
- EAR99
- Output Current :
- 25mA
- Supply Voltage :
- 3V
- Number of Ports :
- 2
- Lead Free :
- Lead Free
- Number of Bits :
- 16
- Number of I/O :
- 16
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Feature :
- POR
- Mounting Type :
- Surface Mount
- Pin Count :
- 24
- Packaging :
- Tape and Reel (TR)
- Interface :
- I2C, SMBus
- Output Type :
- Push-Pull
- Surface Mount :
- yes
- Length :
- 8.2mm
- Base Part Number :
- CA9539
- Weight :
- 172.39345mg
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Operating Temperature :
- -40°C~85°C
- Voltage - Supply :
- 2.3V~5.5V
- Qualification Status :
- Not Qualified
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- PCA9539DB
I/O Expanders Texas Instruments PCA9539DB Overview
The PCA9539DB from Texas Instruments represents a robust solution in the realm of I/O expanders, designed to enhance the functionality of systems requiring additional I/O ports. This 16-bit expander uses the I2C bus to communicate with the host controller, encapsulated in a 24-SSOP package that ensures a minimal footprint on PCBs. Its design is particularly suited for applications where space and power are at a premium. The integration of this I/O expander can significantly simplify system design by reducing the number of wires and improving overall reliability and scalability. Utilizing the I/O Expanders Texas Instruments PCA9539DB allows for efficient management and expansion of input/output operations without overloading the main processor, making it an indispensable tool for developers and engineers in complex electronic environments.
PCA9539DB Features
The PCA9539DB is equipped with numerous features that make it a versatile choice for expanding I/O capabilities. Key features include 16 I/O ports that can be individually set as input or output, low standby current, and compatibility with I2C bus speeds up to 400 kHz. Additionally, it offers polarity inversion registers to simplify the interface logic, and its wide operating voltage range (2.3V to 5.5V) allows for flexible integration into various system designs. Its enhanced ESD protection ensures robustness and longevity in demanding applications.
PCA9539DB Applications
- Industrial Automation: In factory automation equipment, the PCA9539DB can be used to manage additional sensors and actuators, streamlining production processes by allowing more complex control systems to be centralized and simplified.
- Server Farms: This I/O expander helps in monitoring server performance and managing server I/O efficiently, providing additional ports for sensors and control interfaces, crucial in large data centers.
- Consumer Electronics: Used in devices like smart home systems, the PCA9539DB expands the number of available I/O ports for controlling various household items, enhancing user interfaces and connectivity.
- Mobile and Portable Devices: The expander can also be integrated into mobile devices, where space is limited and additional I/Os are necessary for auxiliary functions such as button management and indicator LEDs.
- Healthcare Equipment: In medical devices, it is used to increase the number of sensor interfaces and control outputs without requiring significant additional power, crucial for patient monitoring systems and diagnostic equipment.
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