What is the Additional Feature ?

Name: PCAL6408AHK
Brand: NXP USA Inc.
SKU: PCAL6408AHK
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. PCAL6408AHK

Part No.:: PCAL6408AHK

Manufacturer:: NXP USA Inc.

Package:: -

Datasheet:: PCAL6408AHK.pdf

Description:: LOW-VOLTAGE TRANSLATING, 8-BIT I

In Stock:: 3926

Quantity:: Add To Cart

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PCAL6408AHK Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
NumberofI/O:
-
Interface:
-
InterruptOutput:
-
Features:
-
OutputType:
-
Current-OutputSource/Sink:
-
ClockFrequency:
-
Voltage-Supply:
-
OperatingTemperature:
-
MountingType:
-

PCAL6408AHK this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCAL6408AHK 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 PCAL6408AHK 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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PCAL6408AHK information

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PCAL6408AHK Typical application Circuitry

PCAL6408AHK

PCAL6408AHK is a low-voltage, 8-bit I/O expander utilizing technology from NXP Semiconductors. This chip is primarily designed for expanding the I/O capabilities of microcontrollers via an I²C bus interface, making it ideal for applications where a large number of I/O ports are required but space is limited.

Application Scenario

A typical application scenario would be in smart home systems, where it expands the microcontroller's I/O ports to connect and control multiple home devices such as lighting, electric curtains, security sensors, etc.

Parameter Features

- Supply Voltage Range: 1.65V to 5.5V, accommodating various power supply needs.

- I²C Bus Interface: Supports standard mode, fast mode, and fast mode plus, with a maximum communication rate of up to 1Mbit/s.

- Interrupt Output Feature: Allows peripherals to immediately notify the main controller of events via the INT pin.

- High Flexibility: Each I/O port can be independently configured as input or output, providing flexible control options.

Specific Circuit Connection - Smart Home Lighting Control

1. I²C Communication Interface Connection

Firstly, connect the SDA and SCL pins of PCAL6408AHK to the corresponding I²C bus SDA and SCL pins on the microcontroller to ensure smooth data communication.

2. Power and Ground Connection

Secondly, provide 1.65V to 5.5V power supply to PCAL6408AHK and connect its GND pin to ground to ensure stable operation of the circuit.

3. Lighting Control Output Configuration

Then, configure the P0 to P7 pins of PCAL6408AHK as outputs to connect to the control end of the lighting control circuit, such as relays or transistor switches.

4. Interrupt Output Connection

If real-time monitoring of lighting status is required, the INT pin can be connected to an external interrupt input pin on the microcontroller to immediately notify the microcontroller when the lighting status changes.

Considerations in Circuit Design

- Power Management: Ensure PCAL6408AHK is compatible with other circuit components, especially in terms of voltage levels, to avoid damage.

- I²C Bus Address Allocation: Since I²C devices are identified and communicated through addresses, it is crucial to ensure each device has a unique address to avoid conflicts.

- Electromagnetic Compatibility (EMC): Consider EMC issues in circuit design and PCB layout, adopting appropriate wiring and grounding measures to reduce electromagnetic interference.

- Response Time and Interrupt Management: When using the interrupt feature of PCAL6408AHK, consider the system's response time and interrupt priority management to ensure the system can handle interrupt events timely and effectively.

By carefully considering these design elements, PCAL6408AHK can be effectively utilized to expand the I/O functionality of microcontrollers in various applications, especially where space and I/O resources are limited.

PCAL6408AHK FAQ

1. How to order PCAL6408AHK on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that PCAL6408AHK is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCAL6408AHK. All suppliers must pass our qualification reviews before they can publish their products including PCAL6408AHK on icwhale.com; we pay more attention to the channels and quality of PCAL6408AHK products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the PCAL6408AHK price and inventory displayed accurate?

The price and inventory of PCAL6408AHK fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of PCAL6408AHK?

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 PCAL6408AHK we delivered, we will accept the replacement or return of the PCAL6408AHK 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 PCAL6408AHK.

(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