PCF8574ADW
- Mfr.Part #
- PCF8574ADW
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 8B 16SOIC
- Stock
- 2,258
- In Stock :
- 2,258
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 16
- Supply Voltage :
- 5V
- Width :
- 7.5mm
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Radiation Hardening :
- No
- Weight :
- 420.395078mg
- ECCN Code :
- EAR99
- Number of Ports :
- 1
- Factory Lead Time :
- 6 Weeks
- Voltage - Supply :
- 2.5V~6V
- Feature :
- POR
- Supply Current-Max :
- 0.1mA
- Number of I/O :
- 8
- Terminal Pitch :
- 1.27mm
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- PCF8574
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Pbfree Code :
- yes
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Interrupt Output :
- yes
- Power Supplies :
- 3/5V
- Terminal Position :
- Dual
- Length :
- 10.3mm
- Packaging :
- Tube
- JESD-609 Code :
- e4
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Interface :
- I2C
- REACH SVHC :
- No SVHC
- Thickness :
- 2.35mm
- Output Type :
- Push-Pull
- Mount :
- Surface Mount
- Current - Output Source/Sink :
- 1mA 25mA
- Number of Terminations :
- 16
- Operating Temperature :
- -40°C~85°C
- Lead Free :
- Lead Free
- Number of Bits :
- 8
- Terminal Form :
- Gull wing
- Height :
- 2.65mm
- Pin Count :
- 16
- Clock Frequency :
- 100kHz
- Datasheets
- PCF8574ADW

I/O Expanders Texas Instruments PCF8574ADW Overview
The I/O Expanders Texas Instruments PCF8574ADW is an essential component designed to expand the I/O capabilities of microcontrollers over an I2C interface. This IC enables any microcontroller to interface with up to 8 additional I/Os, which are highly beneficial in applications requiring additional ports without the need for extra microcontrollers. Manufactured by Texas Instruments, a leader in semiconductor solutions, the PCF8574ADW offers reliable performance and compatibility with a variety of microcontroller architectures. Its small footprint in a 16SOIC package ensures minimal space usage, making it ideal for compact designs.
PCF8574ADW Features
This integrated circuit boasts several key features that make it a valuable addition to any electronic project. These include an 8-bit remote I/O expander for I2C bus, interrupt output for input change notification, and low standby current consumption, enhancing efficiency. Furthermore, its compatibility with different bus speeds allows for versatile deployment across multiple platforms and applications.
PCF8574ADW Applications
- Home Automation Systems: In home automation, the PCF8574ADW can be used to control lighting, heating, and other household devices by expanding the number of I/Os available to the system's central microcontroller.
- Industrial Control: In industrial environments, this IC helps manage processes by providing additional I/Os for sensor and actuator interfaces, streamlining operations and monitoring.
- Robotics: Robotics applications benefit from the PCF8574ADW by using it to add more control points for motors and sensors without requiring a larger, more complex main controller.
- Server Management: It is used in server farms for managing server functions like power sequencing and status monitoring through expanded I/O capabilities.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















