PCA8574AD,512
- Mfr.Part #
- PCA8574AD,512
- Manufacturer
- NXP Semiconductors
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 187
- In Stock :
- 187
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- Manufacturer :
- NXP Semiconductors
- Product Category :
- I/O Expanders
- Number of Terminations :
- 16
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Interrupt Output :
- yes
- Supply Voltage :
- 3V
- Terminal Position :
- Dual
- Number of Ports :
- 1
- Width :
- 7.5mm
- Terminal Form :
- Gull wing
- Clock Frequency :
- 400kHz
- JESD-609 Code :
- e4
- Operating Temperature :
- -40°C~85°C
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Voltage - Supply :
- 2.3V~5.5V
- Interface :
- I2C
- JESD-30 Code :
- R-PDSO-G16
- Output Type :
- Push-Pull
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- RoHS Status :
- ROHS3 Compliant
- Peak Reflow Temperature (Cel) :
- 260
- Height Seated (Max) :
- 2.65mm
- Number of I/O :
- 8
- Qualification Status :
- Not Qualified
- Terminal Pitch :
- 1.27mm
- Feature :
- POR
- Length :
- 10.3mm
- Base Part Number :
- PCA8574
- Surface Mount :
- yes
- Factory Lead Time :
- 7 Weeks
- Published :
- 2003
- Packaging :
- Tube
- Current - Output Source/Sink :
- 100μA 25mA
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Mounting Type :
- Surface Mount
- Power Supplies :
- 2.5/5V
- Number of Bits :
- 8
- Pin Count :
- 16
- Datasheets
- PCA8574AD,512

I/O Expanders NXP Semiconductors PCA8574AD,512 Overview
The I/O Expanders NXP Semiconductors PCA8574AD,512 is a robust and versatile 8-bit I/O expander integrated circuit (IC) designed by NXP Semiconductors. This IC enables any microcontroller using the I2C bus to interact with up to 8 additional digital I/Os. These capabilities are housed within a compact 16SOIC package, making it ideal for applications where space is at a premium and additional I/Os are needed. The PCA8574AD,512 is particularly well-suited for expanding the input/output capabilities without requiring additional pins on the microcontroller, thereby simplifying design and reducing overall system costs.
PCA8574AD,512 Features
The PCA8574AD,512 offers several features that make it a preferred choice for system expansion:
- Expands I/O capabilities with 8 additional inputs or outputs.
- Operates on the I2C bus interface, facilitating easy integration into existing systems.
- Includes programmable polarity inversion register to adjust the polarity of the input port data.
- Low standby current which is essential for power-sensitive applications.
- Supports both 100 kHz (Standard-mode) and 400 kHz (Fast-mode) I2C bus speeds.
PCA8574AD,512 Applications
- Remote I/O Ports for Microcontrollers: Enables additional I/Os for microcontrollers in compact devices, enhancing functionality without the need for extensive redesign.
- Industrial Control Systems: Used to increase the number of sensor inputs and control outputs available in automated industrial machinery.
- Server Rack Systems: Facilitates management and monitoring of server rack systems by expanding the number of control points within a confined space.
- Home Automation Systems: Integrates into home automation networks to manage and expand control over lighting, security, and HVAC systems remotely.
- Robotics: Provides additional sensor interfaces and actuator controls for robotic systems, allowing for more complex operations.
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