PCF8575PW The Texas Instruments PCF8575PW is an IO Expander with 16 I/O channels. It features an I2C/SMBus interface and operates at a 400kHz clock frequency.
Mfr Part #:

PCF8575PW

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PCF8575PW is an IO Expander with 16 I/O channels. It features an I2C/SMBus interface and operates at a 400kHz clock frequency.
Total Stock: 26,753 pcs
$ Price Range: $1.15

PCF8575PW Available from 4 distributors

Authorised
Non-Authorised

PCF8575PW 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

PCF8575PW Description

Short technical summary and product information.

The Texas Instruments PCF8575PW is an integrated circuit designed as an IO Expander. It provides 16 input/output channels, supporting a voltage range of 4.5V to 5.5V. The device communicates via the I2C and SMBus interfaces, operating at a clock frequency of up to 400 kHz.

 

Key electrical characteristics include an operating current of 10mA to 25mA and a push-pull output type. The PCF8575PW is designed for surface mount applications and comes in a 24-TSSOP package, measuring 0.173 inches with a 4.40mm width. It operates within a temperature range of -40°C to 85°C.

 

This IO expander is suitable for applications requiring additional digital I/O pins, particularly in systems already utilizing I2C or SMBus communication protocols. Its features include a Power-On Reset (POR) function and an interrupt output.

PCF8575PW Quick Information

Product Type: IO Expander
Canonical Name: Texas Instruments PCF8575PW I2C/SMBus IO Expander
Subcategory: IO Expander

PCF8575PW Compliance

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

PCF8575PW Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

PCF8575PW Features

  • Provides 16 digital input/output channels.
  • Utilizes I2C and SMBus communication interfaces.
  • Operates at a 400 kHz clock frequency.
  • Surface mountable in a 24-TSSOP package.
  • Wide operating temperature range of -40°C to 85°C.

PCF8575PW Applications

  • Extends digital I/O for microcontrollers.
  • Suitable for I2C bus systems.
  • Used in embedded control applications.
  • Ideal for SMBus communication needs.

PCF8575PW FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the PCF8575PW?

The PCF8575PW operates between 4.5V and 5.5V.

What package type is the PCF8575PW supplied in?

The PCF8575PW is supplied in a 24-TSSOP package.

What is the operating temperature range of the PCF8575PW?

The PCF8575PW has an operating temperature range of -40°C to 85°C.

What is the RoHS status of the PCF8575PW?

The PCF8575PW is RoHS3 Compliant.

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