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PCA9538ABSHP The NXP Semiconductors PCA9538ABSHP is an 8-bit I2C-bus GPIO expander. It operates from 1.65V to 5.5V and supports a 400 kHz I2C-bus interface.
Mfr Part #:

PCA9538ABSHP

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The NXP Semiconductors PCA9538ABSHP is an 8-bit I2C-bus GPIO expander. It operates from 1.65V to 5.5V and supports a 400 kHz I2C-bus interface.
✓ Total Stock: 5,000 pcs
$ Price Range: $1.15

PCA9538ABSHP Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

PCA9538ABSHP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Mounting Style
Mounting Type
Number of I
Operating Temperature
Operating Voltage
Output Current
Output Type
Power Dissipation
Supplier Device Package
Supplier Package
Voltage
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PCA9538ABSHP Description

Short technical summary and product information.

The PCA9538ABSHP from NXP Semiconductors is a low-voltage, 8-bit General Purpose Input/Output (GPIO) expander designed for I2C-bus and SMBus applications. It provides a simple solution for systems requiring additional I/Os, such as ACPI power switches, sensors, push buttons, and LED control.

 

This device features a wide operating supply voltage range of 1.65 V to 5.5 V, allowing it to interface with modern microprocessors and microcontrollers. It supports a 400 kHz Fast-mode I2C-bus and includes an open-drain interrupt output that signals changes in input states to the system master. The PCA9538ABSHP also has a reset input and internal power-on reset functionality.

 

Designed for ease of integration, the PCA9538ABSHP is available in a 16-HVQFN package suitable for surface mounting. Its outputs offer 25 mA sink capabilities, enabling direct driving of LEDs. The device operates within a temperature range of -40°C to 85°C.

PCA9538ABSHP Quick Information

Product Type: I/O Expander
Canonical Name: PCA9538ABSHP 8-bit I2C-bus GPIO Expander
Subcategory: Interface ICs

PCA9538ABSHP Compliance

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

PCA9538ABSHP Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCA9538ABSHP Features

  • 8-bit I2C-bus GPIO expander.
  • Wide 1.65V to 5.5V operating voltage.
  • Supports 400 kHz I2C-bus interface.
  • Includes interrupt and reset functions.
  • Available in 16-HVQFN surface mount package.

PCA9538ABSHP Applications

  • Ideal for adding I/O to microcontrollers.
  • Suitable for sensor interface applications.
  • Used for LED control and status indication.
  • Applicable in ACPI power switching.

PCA9538ABSHP FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9538ABSHP?

The PCA9538ABSHP operates from 1.65 V to 5.5 V.

What package type is the PCA9538ABSHP available in?

The PCA9538ABSHP is available in a 16-HVQFN package.

What is the operating temperature range for the PCA9538ABSHP?

The operating temperature range for the PCA9538ABSHP is -40°C to 85°C.

What is the RoHS status of the PCA9538ABSHP?

The PCA9538ABSHP is RoHS3 Compliant.

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