PCF8574PW
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- Mfr.Part #
- PCF8574PW
- Manufacturer
- Texas Instruments
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 20TSSOP
- Stock
- 5
- In Stock ：
- 5
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- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Surface Mount :
- yes
- Weight :
- 76.997305mg
- Output Type :
- Push-Pull
- Peak Reflow Temperature (Cel) :
- 260
- Interrupt Output :
- yes
- Thickness :
- 1mm
- Interface :
- I2C
- Terminal Position :
- Dual
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Packaging :
- Tube
- Lead Free :
- Lead Free
- Height :
- 1.2mm
- Supply Current-Max :
- 0.1mA
- Supply Voltage :
- 5V
- Terminal Pitch :
- 0.65mm
- Clock Frequency :
- 100kHz
- Operating Temperature :
- -40°C~85°C
- JESD-609 Code :
- e4
- Factory Lead Time :
- 6 Weeks
- Number of Terminations :
- 20
- Feature :
- POR
- Base Part Number :
- PCF8574
- Current - Output Source/Sink :
- 1mA 25mA
- Radiation Hardening :
- No
- Mounting Type :
- Surface Mount
- Terminal Form :
- Gull wing
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Contact Plating :
- Gold
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Number of Bits :
- 8
- REACH SVHC :
- No SVHC
- Number of Pins :
- 20
- Number of Ports :
- 1
- Voltage - Supply :
- 2.5V~6V
- Length :
- 6.5mm
- Number of I/O :
- 8
- Width :
- 4.4mm
- Pbfree Code :
- yes
- Power Supplies :
- 3/5V
- Number of Outputs :
- 8
- ECCN Code :
- EAR99
- RoHS Status :
- ROHS3 Compliant
- Pin Count :
- 20
- Datasheets
- PCF8574PW
I/O Expanders Texas Instruments PCF8574PW Overview
The I/O Expanders Texas Instruments PCF8574PW is a highly efficient, remote I/O expander for I2C-bus interfaces. This versatile component simplifies the expansion of input/output operations in microcontroller-based systems. By providing eight bi-directional I/Os that can be individually configured, the PCF8574PW offers a flexible solution to increase the I/O capabilities without increasing the number of pins on the microcontroller. This feature is essential for applications where board space is limited and scalability is crucial. Its utilization of the I2C-bus technology ensures minimal power consumption and robust communication, making it an ideal choice for developing compact, energy-efficient electronic products.
PCF8574PW Features
The Texas Instruments PCF8574PW includes several key features that make it an optimal choice for extensive applications in electronic system designs:
- 8-bit remote I/O expander for I2C-bus interface
- Low standby current consumption of 10 µA max, ideal for power-sensitive applications
- Interrupt output provided which can be connected to the microcontroller's interrupt input
- Operates across a voltage range from 2.5V to 6V, providing flexibility in different system designs
- 400 kHz fast I2C-bus compatible, allowing quick data transfer
- 20-lead TSSOP package, designed for minimal space usage on PCBs
PCF8574PW Applications
- Home Automation Systems: Utilized in smart home devices to expand microcontroller I/O capabilities, enabling control of a larger number of devices like lighting, security systems, and other sensors.
- Industrial Control: Helps in managing input/output operations in factory automation equipment, facilitating better control and monitoring of industrial processes.
- Server Farms: Employed in server management, where multiple I/Os are necessary for handling indicators, status flags, and interrupts, enhancing server reliability and management efficiency.
- Consumer Electronics: Integrated into consumer electronics, such as gaming consoles and TVs, for managing additional inputs and outputs without requiring complex and extensive wiring.
- Mobile Devices: Applied in compact mobile devices, allowing for the expansion of I/O ports to accommodate additional functionalities and accessories.
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