PCA9555DB
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- Mfr.Part #
- PCA9555DB
- Manufacturer
- Texas Instruments
- Package / Case
- 24-SSOP (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SSOP
- Stock
- 33,712
- In Stock ：
- 33,712
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Terminal Pitch :
- 0.65mm
- Number of Pins :
- 24
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Clock Frequency :
- 400kHz
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Surface Mount
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Base Part Number :
- CA9555
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~85°C
- Surface Mount :
- yes
- JESD-609 Code :
- e4
- Current - Output Source/Sink :
- 10mA 25mA
- Thickness :
- 1.95mm
- Width :
- 5.3mm
- Number of Outputs :
- 2
- Factory Lead Time :
- 6 Weeks
- Lead Free :
- Lead Free
- Weight :
- 172.39345mg
- Number of Bits :
- 16
- Voltage - Supply :
- 2.3V~5.5V
- Number of I/O :
- 16
- Terminal Position :
- Dual
- Feature :
- POR
- Packaging :
- Tube
- ECCN Code :
- EAR99
- Radiation Hardening :
- No
- REACH SVHC :
- No SVHC
- Supply Voltage :
- 3V
- Pbfree Code :
- yes
- Package / Case :
- 24-SSOP (0.209, 5.30mm Width)
- Interrupt Output :
- yes
- Interface :
- I2C, SMBus
- Output Type :
- Push-Pull
- Number of Terminations :
- 24
- Number of Ports :
- 2
- Height :
- 2mm
- Length :
- 8.2mm
- Pin Count :
- 24
- Terminal Form :
- Gull wing
- Datasheets
- PCA9555DB
I/O Expanders Texas Instruments PCA9555DB Overview
The PCA9555DB from Texas Instruments is a high-performance I/O expander designed to enhance the functionality of I2C and SMBus serial communication interfaces. Offering 16 bits of quasi-bidirectional input/output, this device is encased in a compact 24-SSOP package, making it ideal for applications where space is at a premium and additional I/O ports are needed. The PCA9555DB allows seamless integration with microcontrollers and processors, enabling system designers to expand I/O capabilities while maintaining a low power consumption and high efficiency. This expander is particularly well-suited for dealing with the requirements of complex control systems and is a cornerstone component for developers looking to leverage more from their digital control architectures.
PCA9555DB Features
The PCA9555DB offers a range of features that make it a versatile choice for expanding I/O capabilities. Key features include 16-bit I/O port expander with an I2C-bus interface, low standby current, and compatibility with 400 kHz I2C bus protocols. Additionally, it provides three hardware address pins that allow up to eight devices on one bus. It supports both 5V and 3.3V applications, making it adaptable to various operating environments and ensuring ease of use in a diverse range of systems.
PCA9555DB Applications
- Industrial Control Systems: Integrates with PLCs to add more input/output options in automated production lines, enhancing system flexibility and performance.
- Home Automation: Used in smart home devices to manage additional sensors and actuators, facilitating sophisticated home management and automation solutions.
- Server Management: Expands server I/O capabilities for better management and control of server environments, ensuring more efficient monitoring and adjustments.
- Robotics: Provides additional control interfaces for sensors and actuators in robotic systems, increasing design versatility and functionality.
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