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Name: PCF8574DWR
Brand: Texas Instruments
SKU: PCF8574DWR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments PCF8574DWR

Part No.:: PCF8574DWR

Manufacturer:: Texas Instruments

Package:: 16-SOIC (0.295, 7.50mm Width)

Datasheet:: PCF8574DWR.pdf

Description:: IC I/O EXPANDER I2C 8B 16SOIC

In Stock:: 22103

Quantity:: Add To Cart

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PCF8574DWR Specifications

Package/Case:
16-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
NumberofI/O:
8
Interface:
I²C
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
1mA, 25mA
ClockFrequency:
100 kHz
Voltage-Supply:
2.5V ~ 6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PCF8574DWR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCF8574DWR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCF8574DWR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCF8574DWR information

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PCF8574DWR Typical application Circuitry

PCF8574DWR

The PCF8574DWR is an integrated circuit (IC) known for its role as an I/O (Input/Output) expander for the I2C-bus. This chip is designed to provide additional I/O interfaces to a microcontroller via the I2C bus. The purpose of this chip is to give a microcontroller more I/O ports via the I2C bus. The PCF8574DWR's capabilities, application scenarios, parameter features, and a thorough circuit connection guide for a particular application will all be covered in this overview.

Functionality: The PCF8574DWR functions as an I2C-bus I/O expander, effectively increasing the number of I/O pins available for a microcontroller, allowing for more extensive control and monitoring of external devices.

Application Scenarios: The PCF8574DWR is commonly utilized in microcontroller-based systems, such as embedded systems, automation systems, or sophisticated sensor interfaces, where extra I/O pins are required.

Parameter Features:

1. I/O Expansion: The PCF8574DWR provides additional I/O ports for microcontrollers.

2. I2C Interface: It uses the I2C protocol for communication, which simplifies the wiring and connections.

3. Low Power Consumption: The device is designed for energy efficiency, making it suitable for low-power applications.

4. Operating Voltage Range: Compatible with a variety of microcontroller logic levels due to its wide operating voltage range.

Linking the Circuit for the Sensor Interface System:

1. Power Supply Connection: Attach the PCF8574DWR's VDD pin (pin 16, for example) to a reliable power supply.

2. Grounding the Device: Attach the VSS pin (e.g., pin 8) to the system's ground.

3. I2C Bus Integration: Interface the SDA (Serial Data, pin 15) and SCL (Serial Clock, pin 14) pins of the PCF8574DWR with the microcontroller's I2C bus.

4. Connecting External Sensors: Link the I/O pins (e.g., pins 1-7, 9-12) of the PCF8574DWR to various sensors or input devices.

Design Considerations:

- Stable Power Supply: Ensuring a consistent power supply for the PCF8574DWR is crucial for reliable operation.

- I2C Bus Integrity: The integrity of the I2C bus, including pull-up resistors and line capacitance, should be maintained for effective communication.

- Address Configuration: Set the correct address for the PCF8574DWR to avoid conflicts on the I2C bus.

In summary, the PCF8574DWR plays an essential role in expanding the I/O capabilities of microcontroller systems, particularly in sensor interface applications. Designing circuits for the PCF8574DWR requires attention to power stability, I2C bus integrity, and proper address configuration.

PCF8574DWR FAQ

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6. What is the process for return or replacement of PCF8574DWR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCF8574DWR we delivered, we will accept the replacement or return of the PCF8574DWR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCF8574DWR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations