What is the Additional Feature ?

Name: PCF8574DWRE4
Brand: Texas Instruments
SKU: PCF8574DWRE4
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 PCF8574DWRE4

Part No.:: PCF8574DWRE4

Manufacturer:: Texas Instruments

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

Datasheet:: PCF8574DWRE4.pdf

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

In Stock:: 2475

Quantity:: Add To Cart

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PCF8574DWRE4 Specifications

Package/Case:
16-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
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

PCF8574DWRE4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCF8574DWRE4 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 PCF8574DWRE4 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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PCF8574DWRE4 information

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PCF8574DWRE4 Typical application Circuitry

PCF8574DWRE4

The PCF8574DWRE4 is an integrated circuit (IC) known for its functionality as an I2C-bus controlled 8-bit I/O (Input/Output) expander. This chip is specifically designed to increase the number of I/O ports available to a microcontroller or processor using the I2C-bus communication protocol. Here is a detailed look at the functionality of the PCF8574DWRE4, its application scenarios, parameter features, and a circuit connection guide for a specific use case.

Functionality: The PCF8574DWRE4 serves as an I/O expander, enhancing the I/O capabilities of microcontroller systems through the I2C-bus interface.

Application Scenarios: The PCF8574DWRE4 is often utilized in embedded systems, particularly in scenarios where the number of I/O pins on the main microcontroller is insufficient, such as in home automation systems, sensor networks, or complex interface controls.

Parameter Features:

1. I/O Port Expansion: The PCF8574DWRE4 adds eight I/O ports to a microcontroller system.

2. I2C-Bus Interface: Utilizes the I2C communication protocol, enabling efficient and straightforward integration with microcontroller systems.

3. Low Power Consumption: Designed for energy efficiency, suitable for power-sensitive applications.

4. Flexible Voltage Compatibility: It operates with a range of voltages, accommodating various logic levels of microcontrollers.

Circuit Connection - Sensor Network Interface:

1. Power Connection: Connect the PCF8574DWRE4's VCC pin (pin 16, for example) to the proper power supply.

2. Circuit Grounding: Attach the GND pin (pin 8, for example) to the ground of the system.

3. I2C Communication Setup: Interface the SDA (Serial Data, pin 15) and SCL (Serial Clock, pin 14) pins of the PCF8574DWRE4 with the I2C bus of the microcontroller.

4. Sensor Integration: Link the I/O pins (e.g., P0 to P7, pins 1-7, 9-12) of the PCF8574DWRE4 to various sensors in the network.

Design Considerations:

- Stable Power Supply: Ensuring a stable and consistent power source for the PCF8574DWRE4 is crucial for its reliable operation.

- I2C Bus Configuration: Proper setup of the I2C bus, including addressing and pull-up resistors, is essential for effective communication.

- Address Pin Configuration: Set the address pins (A0, A1, A2) appropriately to avoid conflicts on the I2C bus.

In conclusion, the PCF8574DWRE4 is vital in expanding the I/O capabilities of microcontroller-based systems, such as in sensor networks. Designing circuits for the PCF8574DWRE4 involves careful consideration of power supply stability, I2C bus configuration, and proper address pin settings.

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6. What is the process for return or replacement of PCF8574DWRE4?

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 PCF8574DWRE4 we delivered, we will accept the replacement or return of the PCF8574DWRE4 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 PCF8574DWRE4.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations