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PCA9538PW The Texas Instruments PCA9538PW is an 8-bit I2C/SMBus I/O expander. It operates from 2.3V to 5.5V and features an interrupt output and reset input.
Mfr Part #:

PCA9538PW

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PCA9538PW is an 8-bit I2C/SMBus I/O expander. It operates from 2.3V to 5.5V and features an interrupt output and reset input.
✓ Total Stock: 1,842 pcs
$ Price Range: $1.19

PCA9538PW Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,842 pcs
On Request
1842 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.

PCA9538PW 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
Voltage
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PCA9538PW Description

Short technical summary and product information.

The Texas Instruments PCA9538PW is an 8-bit I/O expander designed for I2C and SMBus interfaces. It supports operating supply voltages from 2.3V to 5.5V and communicates at speeds up to 400kHz.

 

Key features include an open-drain active-low interrupt output and an active-low reset input. The device is available in a 16-TSSOP package suitable for surface mounting. Its I/O ports are 5V tolerant, and it offers low standby current consumption.

 

This I/O expander is suitable for applications requiring additional I/O pins without consuming significant microcontroller resources. Its robust design includes noise filters on SCL/SDA inputs and latch-up performance exceeding 100mA.

PCA9538PW Quick Information

Product Type: I/O Expander
Canonical Name: Texas Instruments PCA9538PW 8-bit I2C/SMBus I/O Expander
Subcategory: I2C/SMBus I/O Expander

PCA9538PW Compliance

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

PCA9538PW Estimated Pricing

Qty Low High
1+ $1.19 $1.19

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

PCA9538PW Features

  • 8-bit I2C/SMBus I/O expander.
  • Operates from 2.3V to 5.5V supply.
  • Features interrupt and reset functions.
  • 400kHz fast I2C bus speed.
  • Packaged in 16-TSSOP for surface mounting.

PCA9538PW Applications

  • Extends microcontroller I/O capabilities.
  • Suitable for I2C and SMBus systems.
  • Used in embedded control applications.
  • Ideal for space-constrained designs.

PCA9538PW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9538PW?

The operating supply voltage range is 2.3V to 5.5V.

What package type is the PCA9538PW available in?

The PCA9538PW is available in a 16-TSSOP package.

What is the operating temperature range for the PCA9538PW?

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

What is the RoHS status of the PCA9538PW?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the PCA9538PW?

The Moisture Sensitivity Level is 1 Unlimited.

What is the REACH status for the PCA9538PW?

The REACH status is REACH Unaffected.

PCA9538PW Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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PCA9534PWR
PCA9534PWR
Texas Instruments
The PCA9534PWR is an IO expander from Texas Instruments with 8 I/O ports, supporting I2C and SMBus interfaces, and operating at up to 400 kHz.
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