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PCA9538PWR The Texas Instruments PCA9538PWR is an 8-bit I2C/SMBus I/O expander. It operates from 2.3V to 5.5V and features a 400kHz clock frequency.
Mfr Part #:

PCA9538PWR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PCA9538PWR is an 8-bit I2C/SMBus I/O expander. It operates from 2.3V to 5.5V and features a 400kHz clock frequency.
✓ Total Stock: 55,929 pcs
$ Price Range: $0.72

PCA9538PWR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
53,176 pcs
On Request
53176 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,292 pcs
On Request
2292 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
331 pcs
On Request
331 pcs On Request 1 On Request On Request 1631+ On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
130 pcs
On Request
130 pcs On Request 1 On Request On Request On Request On Request On Request
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.

PCA9538PWR 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
Number of I/O
Operating Temperature
Output Type
Supplier Device Package
Voltage
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PCA9538PWR Description

Short technical summary and product information.

The Texas Instruments PCA9538PWR is an 8-bit I/O expander designed for I2C and SMBus interfaces. It operates within a supply voltage range of 2.3V to 5.5V and supports a clock frequency of up to 400kHz.

 

This device offers 8 I/O pins and includes features such as an interrupt output and a reset input. The PCA9538PWR is available in a 16-TSSOP package, suitable for surface mounting.

 

This part is marked as obsolete by the manufacturer. While PCA9538PW is obsolete, PCA9538PWR is listed as an active replacement with improved functionality.

PCA9538PWR Quick Information

Product Type: IO Expander
Canonical Name: PCA9538PWR 8-Bit I2C/SMBus I/O Expander with Interrupt, Reset, and Configuration Registers
Subcategory: IO Expanders

PCA9538PWR Compliance

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

PCA9538PWR Estimated Pricing

Qty Low High
1+ $0.72 $0.72

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

PCA9538PWR Features

  • 8-bit I2C/SMBus I/O expander.
  • Operates from 2.3V to 5.5V supply.
  • 400kHz Fast I2C bus support.
  • Available in 16-TSSOP package.
  • Includes interrupt and reset functions.

PCA9538PWR Applications

  • Extends I2C/SMBus interface capabilities.
  • Provides additional digital I/O pins.
  • Suitable for low-power applications.
  • Used in embedded systems design.

PCA9538PWR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9538PWR?

The PCA9538PWR operates from 2.3V to 5.5V.

What is the operating temperature range for the PCA9538PWR?

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

What interface does the PCA9538PWR use?

The PCA9538PWR uses I2C and SMBus interfaces.

What is the clock frequency supported by the PCA9538PWR?

The PCA9538PWR supports a clock frequency of 400 kHz.

How many I/O pins does the PCA9538PWR have?

The PCA9538PWR has 8 I/O pins.

Does the PCA9538PWR have an interrupt output?

Yes, the PCA9538PWR has an interrupt output.

What package is the PCA9538PWR available in?

The PCA9538PWR is available in a 16-TSSOP package.

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