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Name: PCF8574ATS/3,118
Brand: NXP USA Inc.
SKU: PCF8574ATS/3,118
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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NXP USA Inc. PCF8574ATS/3,118

Part No.:: PCF8574ATS/3,118

Manufacturer:: NXP USA Inc.

Package:: 20-LSSOP (0.173, 4.40mm Width)

Datasheet:: PCF8574ATS/3,118.pdf

Description:: IC I/O EXPANDER I2C 8B 20SSOP

In Stock:: 3107

Quantity:: Add To Cart

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PCF8574ATS/3,118 Specifications

Package/Case:
20-LSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofI/O:
8
Interface:
I²C
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
300µA, 25mA
ClockFrequency:
100 kHz
Voltage-Supply:
2.5V ~ 6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PCF8574ATS/3,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCF8574ATS/3,118 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 PCF8574ATS/3,118 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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PCF8574ATS/3,118 information

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PCF8574ATS/3,118 Typical application Circuitry

PCF8574ATS 3,118

The PCF8574ATS/3,118 is an 8-bit I/O expander for the I²C-bus, produced by NXP Semiconductors. This chip is designed to enhance the I/O capabilities of microcontrollers or processors, particularly in systems where additional I/O ports are needed but are limited due to the constraints of the microcontroller.

Application Scenarios

The PCF8574ATS/3,118 is commonly used in situations such as interfacing with LCD displays, creating keypad interfaces in embedded systems, expanding the input/output capabilities in home automation systems, and in industrial control where additional I/O ports are necessary.

Parameter Features

Notable features of the PCF8574ATS/3,118 include:

- The I/O extension for the I/C-bus interface is 8 bits.

- Minimal standby current usage.

- Built-in interrupt feature.

- Address pins for configuring multiple devices on the same I²C-bus.

Application Scenario: Circuit Connection Technique for Home Automation Systems

1. I²C Bus Integration:Interconnect the SDA (Serial Data) and SCL (Serial Clock) pins of the PCF8574ATS/3,118 with the I²C bus of the central microcontroller or processor within the home automation system.

2. Power Connections: Attach the VDD pin of the PCF8574ATS/3,118 to a +5V power supply and the VSS pin to the ground. For dependable functioning, make sure the power source is steady.

3. I/O Expansion Setup: Connect various home automation peripherals like sensors, LEDs, or buttons to the I/O pins (P0 to P7) of the PCF8574ATS/3,118. Configure each pin according to the specific needs (input or output) of the connected device.

4. Address Pins Configuration: Set the A0, A1, and A2 pins to the appropriate high or low state, allowing for the unique addressing of multiple PCF8574ATS/3,118 devices on the same I²C bus.

Circuit Design Considerations

- I²C Communication: Make that the I²C bus is implemented correctly, with the right pull-up resistors on the SDA and SCL lines.

- Stable Power Supply: Maintain a clean and consistent power source to avoid malfunctions.

- I/O Pin Protection: Consider the use of protective elements like resistors or diodes if the I/O pins are exposed to external environments.

- Address Conflict Avoidance: Carefully plan the addressing of each PCF8574ATS/3,118 device to prevent conflicts on the I²C bus.

In a home automation system, the PCF8574ATS/3,118 serves to expand the number of available I/O ports of the central controller, facilitating the connection and control of a wide range of peripherals, thus enhancing the system's overall functionality and efficiency.

PCF8574ATS/3,118 FAQ

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3. Are the PCF8574ATS/3,118 price and inventory displayed accurate?

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6. What is the process for return or replacement of PCF8574ATS/3,118?

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 PCF8574ATS/3,118 we delivered, we will accept the replacement or return of the PCF8574ATS/3,118 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 PCF8574ATS/3,118.

(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