PCF8575CDW
- Mfr.Part #
- PCF8575CDW
- Manufacturer
- Texas Instruments
- Package / Case
- 24-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24SOIC
- Stock
- 10,342
- In Stock :
- 10,342
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Lead Free :
- Lead Free
- HTS Code :
- 8542.39.00.01
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Terminal Form :
- Gull wing
- Terminal Pitch :
- 1.27mm
- RoHS Status :
- ROHS3 Compliant
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Interrupt Output :
- yes
- Number of Ports :
- 2
- Peak Reflow Temperature (Cel) :
- 260
- Supply Current-Max :
- 0.2mA
- Terminal Position :
- Dual
- Weight :
- 624.398247mg
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- Package / Case :
- 24-SOIC (0.295, 7.50mm Width)
- Clock Frequency :
- 400kHz
- Output Type :
- Open Drain
- Packaging :
- Tape and Reel (TR)
- Base Part Number :
- PCF8575
- Width :
- 7.5mm
- Factory Lead Time :
- 6 Weeks
- Supply Voltage :
- 5V
- JESD-609 Code :
- e4
- ECCN Code :
- EAR99
- Height :
- 2.65mm
- Length :
- 15.4mm
- Surface Mount :
- yes
- Power Supplies :
- 5V
- Voltage - Supply :
- 4.5V~5.5V
- Number of Terminations :
- 24
- Current - Output Source/Sink :
- 10mA 25mA
- Qualification Status :
- Not Qualified
- Interface :
- I2C, SMBus
- Number of Outputs :
- 16
- Thickness :
- 2.35mm
- Mounting Type :
- Surface Mount
- Feature :
- POR
- Operating Temperature :
- -40°C~85°C
- Number of Bits :
- 16
- Number of I/O :
- 16
- Operating Supply Voltage :
- 5.5V
- Pin Count :
- 24
- Number of Pins :
- 24
- Datasheets
- PCF8575CDW

I/O Expanders Texas Instruments PCF8575CDW Overview
The I/O Expanders Texas Instruments PCF8575CDW is a highly versatile, 16-bit I/O expander designed to enhance the performance of microcontroller systems that interface with a variety of parallel devices, especially where I2C bus and low pin count are essential. Utilizing Texas Instruments' industry-leading technology, this expander provides an efficient solution for extending the I/O capabilities via the two-wire I2C bus. The ability to operate over a wide voltage range and to interface with 5V I/O signals without additional components makes it ideal for a broad array of applications, supporting both older and newer microcontroller technologies.
PCF8575CDW Features
- 16-bit remote I/O expander for I2C-bus/SMBus
- Operating power supply voltage range of 2.5V to 5.5V
- Total 16 I/O pins which can be configured as inputs or outputs
- Open-drain interrupt output
- Compatible with most microcontrollers
- Low standby current consumption
- 400 kHz I2C bus clock frequency
PCF8575CDW Applications
- Industrial automation: Streamlines the integration of multiple sensors and indicators into control systems without necessitating additional microcontroller pins.
- Server room environments: Manages multiple status indicator LEDs and power switches through a single microcontroller pin, enhancing system compactness and efficiency.
- Home automation systems: Facilitates the control and monitoring of a large array of household devices such as lighting systems and alarm systems, via simplified wiring and reduced GPIO usage.
- Consumer electronics: Used in devices such as smart TVs and gaming consoles to expand the number of inputs/outputs, allowing for more sophisticated control mechanisms and user interfaces.
- Automotive applications: Improves the functionality of automotive control systems by managing various sensors and actuators through extended I/O capabilities.
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