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PCA9555PW,118 The NXP Semiconductors PCA9555PW,118 is a 16-bit I/O expander designed for I2C-bus and SMBus applications. It offers 5V tolerant I/Os and an active low interrupt output.
Mfr Part #:

PCA9555PW,118

Available from 3 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The NXP Semiconductors PCA9555PW,118 is a 16-bit I/O expander designed for I2C-bus and SMBus applications. It offers 5V tolerant I/Os and an active low interrupt output.
✓ Total Stock: 3,221 pcs
$ Price Range: $1.15

PCA9555PW,118 Available from 3 distributors

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✓ Non-Authorised
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PCA9555PW,118 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
ESD Protection
Features
Interface
Interrupt Output
Logic Type
Mounting Type
Number of I
Operating Temperature
Operating Voltage
Output Current
Output Type
Output Voltage
Power Dissipation
Supplier Device Package
Voltage
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PCA9555PW,118 Description

Short technical summary and product information.

The PCA9555PW,118 from NXP Semiconductors is a 16-bit General Purpose Parallel Input/Output (GPIO) expander designed for I2C-bus and SMBus applications. It provides a simple solution for systems needing additional I/O, suitable for applications like ACPI power switches, sensors, push buttons, and LEDs.

 

Key features include a wide operating supply voltage range of 2.3V to 5.5V, with 5V tolerant I/Os. The device operates at clock frequencies up to 400 kHz and includes a polarity inversion register and an active low interrupt output. It defaults to 16 inputs upon power-on reset.

 

The PCA9555PW,118 is available in a 24-TSSOP package, designed for surface mounting. It operates within a temperature range of -40°C to 85°C. The device supports I2C and SMBus interfaces, making it versatile for various embedded systems.

 

This I/O expander is ideal for expanding microcontroller capabilities where additional digital inputs or outputs are required. Its features like individual I/O configuration and low supply current make it an efficient choice for space-constrained designs.

PCA9555PW,118 Quick Information

Product Type: I/O Expander
Canonical Name: PCA9555PW,118 16-bit I2C/SMBus I/O Expander with Interrupt
Subcategory: I/O Expanders

PCA9555PW,118 Compliance

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

PCA9555PW,118 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9555PW,118 Features

  • Provides 16 bits of GPIO expansion.
  • Supports I2C and SMBus interfaces.
  • Operates from 2.3V to 5.5V supply.
  • Features 5V tolerant I/Os.
  • Includes an active low interrupt output.

PCA9555PW,118 Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for sensor interfacing.
  • Used for LED control.
  • Applicable for ACPI power switches.

PCA9555PW,118 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9555PW,118?

The operating voltage range is 2.3 V to 5.5 V.

What package type is the PCA9555PW,118 available in?

The PCA9555PW,118 is available in a 24-TSSOP package.

What is the operating temperature range for this I/O expander?

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

Does the PCA9555PW,118 have an interrupt output?

Yes, it features an active low interrupt output.

What is the maximum clock frequency supported by the PCA9555PW,118?

The maximum clock frequency supported is 400 kHz.

How many I/O pins does the PCA9555PW,118 provide?

It provides 16 bits of General Purpose parallel Input/Output (GPIO).

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