What is the Additional Feature ?

Name: PCAL6408AHK115
Brand: NXP USA Inc.
SKU: PCAL6408AHK115
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. PCAL6408AHK115

Part No.:: PCAL6408AHK115

Manufacturer:: NXP USA Inc.

Package:: -

Datasheet:: PCAL6408AHK115.pdf

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

In Stock:: 2629

Quantity:: Add To Cart

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PCAL6408AHK115 Specifications

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

PCAL6408AHK115 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCAL6408AHK115 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 PCAL6408AHK115 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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PCAL6408AHK115 information

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PCAL6408AHK115 Typical application Circuitry

PCAL6408AHK115

PCAL6408AHK115 is an enhanced version of the PCAL6408A, an 8-bit I/O expander with an I²C-bus interface, developed by NXP Semiconductors.

Application Scenarios

One common application for the PCAL6408AHK115 is in the development of smart sensors for IoT devices, where it can be used to interface various sensors and actuators with a central microcontroller, thereby expanding the system's capabilities without the need for additional microcontrollers.

Parameter Features

- Voltage Range: Operates across a wide voltage range from 1.65V to 5.5V, making it versatile for various electronic setups.

- I²C Interface: Features Fast-mode Plus (Fm+) I²C-bus interface which supports higher transfer rates and more connected devices.

- Configurable Polarity: Input and output configuration can be customized, and the polarity of the I/O pins can be inverted if necessary.

- Enhanced Features: Includes interrupt-driven I/O, which allows for immediate response to input changes without needing to poll the device continuously.

Detailed Circuit Connection - IoT Smart Sensor Interface

1. I²C Connection

Boldly, connect the PCAL6408AHK115's SDA and SCL pins to the microcontroller's corresponding I²C bus pins. This establishes the data communication channel for the I/O expander.

2. Power Supply Configuration

Emphasize providing a stable power supply within the 1.65V to 5.5V range to the VDD pin of PCAL6408AHK115, and connect the VSS pin to the ground. This guarantees the device will function as intended.

3. I/O Pins for Sensors

Clearly, configure the P0 to P7 pins as inputs or outputs depending on the connected sensors or actuators. For example, set P0 to P3 as inputs for sensor signals and P4 to P7 as outputs to drive actuators.

4. Interrupt Handling

Notably, connect the INT pin of PCAL6408AHK115 to an external interrupt pin on the microcontroller. This setup allows the microcontroller to respond promptly to any change in the sensor inputs without needing to continuously poll the I/O expander.

Circuit Design Considerations

- Power Consumption: Given the PCAL6408AHK115 is often used in battery-operated devices, it's crucial to optimize the power consumption of the entire circuit to prolong battery life.

- I²C Addressing: Since PCAL6408AHK115 communicates over I²C, ensuring unique addresses for each expander in multi-expander systems is essential to prevent communication conflicts.

- Signal Integrity: To preserve signal integrity, particularly at faster speeds or longer distances, pay attention to the arrangement of the I C lines and the location of pull-up resistors.

- Electromagnetic Interference (EMI): Consider the potential for EMI in the design, employing proper routing, shielding, and grounding techniques to minimize its impact.

By addressing these considerations and leveraging the features of PCAL6408AHK115, designers can effectively enhance the I/O capabilities of microcontroller-based systems in compact and power-sensitive applications.

PCAL6408AHK115 FAQ

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6. What is the process for return or replacement of PCAL6408AHK115?

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 PCAL6408AHK115 we delivered, we will accept the replacement or return of the PCAL6408AHK115 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 PCAL6408AHK115.

(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