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PCA9539RPW,118 The NXP Semiconductors PCA9539RPW,118 is a 16-bit I2C/SMBus GPIO expander. It operates from 2.3V to 5.5V and features a 400kHz clock frequency.
Mfr Part #:

PCA9539RPW,118

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The NXP Semiconductors PCA9539RPW,118 is a 16-bit I2C/SMBus GPIO expander. It operates from 2.3V to 5.5V and features a 400kHz clock frequency.
✓ Total Stock: 5,000 pcs
$ Price Range: $1.15

PCA9539RPW,118 Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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5,000 pcs
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5000 pcs On Request 1 On Request On Request On Request On Request On Request
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PCA9539RPW,118 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage
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PCA9539RPW,118 Description

Short technical summary and product information.

The NXP Semiconductors PCA9539RPW,118 is a 16-bit General Purpose Input/Output (GPIO) expander designed for I2C-bus/SMBus applications. This device provides a simple solution for expanding I/O capabilities, suitable for applications involving ACPI power switches, sensors, push buttons, LEDs, and fans.

 

The PCA9539RPW,118 features two 8-bit configuration registers, allowing I/Os to be selected as either inputs or outputs. It includes input, output, and polarity inversion registers, all accessible by the system master. The device operates with a supply voltage range of 2.3V to 5.5V and supports a clock frequency of up to 400 kHz. Its I/Os are 5V tolerant.

 

This I/O expander comes in a 24-TSSOP package and is designed for surface mount installation. It includes an open-drain interrupt output that activates when an input state changes, signaling the system master. A power-on reset initializes the device, and a dedicated RESET pin can also reinitialize the device state machine or the entire device, depending on the specific variant.

 

The PCA9539RPW,118 is an efficient solution for adding digital I/O to microcontrollers. Its features make it adaptable for various embedded systems requiring expanded control and monitoring capabilities.

PCA9539RPW,118 Quick Information

Product Type: IO Expander
Canonical Name: PCA9539RPW,118 16-bit I2C-bus GPIO Expander

PCA9539RPW,118 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

PCA9539RPW,118 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

Estimated market price range - modelled values for guidance only, not live distributor offers.

PCA9539RPW,118 Features

  • 16-bit I2C/SMBus GPIO expansion.
  • Operating voltage from 2.3V to 5.5V.
  • 400 kHz clock frequency support.
  • 5V tolerant I/Os.
  • Surface mount 24-TSSOP package.

PCA9539RPW,118 Applications

  • Extends microcontroller I/O capabilities.
  • Ideal for sensor and LED control.
  • Used in systems needing ACPI power switches.
  • Suitable for push button monitoring.

PCA9539RPW,118 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9539RPW,118?

The operating voltage range is 2.3V to 5.5V.

What is the package type for the PCA9539RPW,118?

The package type is 24-TSSOP.

What is the operating temperature range for the PCA9539RPW,118?

The operating temperature range is -40°C to 85°C.

What is the clock frequency of the PCA9539RPW,118?

The clock frequency is 400 kHz.

Does the PCA9539RPW,118 have an interrupt output?

Yes, it has an interrupt output.

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