PCF8575DWR
- Mfr.Part #
- PCF8575DWR
- Manufacturer
- Texas Instruments
- Package / Case
- 24-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SOIC
- Stock
- 8,730
- In Stock :
- 8,730
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Clock Frequency :
- 400kHz
- Factory Lead Time :
- 6 Weeks
- Base Part Number :
- PCF8575
- Height :
- 2.65mm
- Number of Pins :
- 24
- Power Supplies :
- 3/5V
- Qualification Status :
- Not Qualified
- Terminal Form :
- Gull wing
- Current - Output Source/Sink :
- 1mA 25mA
- Number of I/O :
- 16
- Package / Case :
- 24-SOIC (0.295, 7.50mm Width)
- Peak Reflow Temperature (Cel) :
- 260
- Number of Bits :
- 16
- Surface Mount :
- yes
- Feature :
- POR
- Interface :
- I2C, SMBus
- Number of Ports :
- 2
- Supply Current-Max :
- 0.2mA
- Output Type :
- Push-Pull
- Length :
- 15.4mm
- Thickness :
- 2.35mm
- Width :
- 7.5mm
- ECCN Code :
- EAR99
- Interrupt Output :
- yes
- Number of Terminations :
- 24
- JESD-609 Code :
- e4
- Pin Count :
- 24
- Contact Plating :
- Gold
- RoHS Status :
- ROHS3 Compliant
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Operating Temperature :
- -40°C~85°C
- HTS Code :
- 8542.39.00.01
- Operating Supply Voltage :
- 5.5V
- Terminal Position :
- Dual
- Voltage - Supply :
- 2.5V~5.5V
- Packaging :
- Tape and Reel (TR)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Supply Voltage :
- 3.3V
- Mounting Type :
- Surface Mount
- Terminal Pitch :
- 1.27mm
- Pbfree Code :
- yes
- Lead Free :
- Lead Free
- Weight :
- 624.398247mg
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Datasheets
- PCF8575DWR

I/O Expanders Texas Instruments PCF8575DWR Overview
The I/O Expanders Texas Instruments PCF8575DWR is a pivotal component designed to enhance the functionality and scalability of your microcontroller systems. This IC I/O expander utilizes the I2C bus to expand the number of input and output ports available, encapsulated in a robust 24SOIC package. The PCF8575DWR allows for a significant expansion of up to 16 bidirectional I/O ports, making it highly effective for applications requiring additional pins while maintaining a minimal footprint. Its compatibility with the I2C bus enables up to eight devices on the same bus, facilitating a total of 128 additional I/O ports, making it an excellent choice for complex, multi-functional systems.
PCF8575DWR Features
The Texas Instruments PCF8575DWR features include low standby current, making it suitable for battery-driven and power-sensitive applications. It supports both 400 kHz I2C Fast-mode and 100 kHz I2C Standard-mode. Moreover, the device's built-in interrupt output can significantly enhance the efficiency of microcontroller systems by alerting when input ports' status changes, thus reducing the need for continuous polling and allowing for better management of power and resources.
PCF8575DWR Applications
- Home Automation Systems: In smart home devices, the PCF8575DWR can manage multiple inputs and outputs for sensors, switches, and actuators, allowing for sophisticated control and monitoring systems.
- Industrial Control: It can be used in factory settings to handle signals from various sensors and actuators, facilitating automated processes and machinery monitoring.
- Server Management: The expander helps manage multiple server inputs and outputs in data centers, enhancing server monitoring and control capabilities.
- Consumer Electronics: Used in devices such as televisions and audio systems, the PCF8575DWR can expand the available I/O ports to include more functionality without increasing the main processor's load.
- Automotive Applications: It enables additional control and sensor interfaces within vehicles' electronic management systems, improving functionality and safety features.
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