NXP Semiconductors

PCA9574

8-bit I2C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt

Quick reference data — The Quick reference data is an extract of the

product data given in the Limiting values and Characteristics sections of this

document, and as such is not complete, exhaustive or legally binding.

Export control — This document as well as the item(s) described herein

may be subject to export control regulations. Export might require a prior

authorization from competent authorities.

Suitability for use in non-automotive qualified products — Unless

this data sheet expressly states that this specific NXP Semiconductors

product is automotive qualified, the product is not suitable for automotive

use. It is neither qualified nor tested in accordance with automotive testing

or application requirements. NXP Semiconductors accepts no liability for

inclusion and/or use of non-automotive qualified products in automotive

equipment or applications.

In the event that customer uses the product for design-in and use in

automotive applications to automotive specifications and standards,

customer (a) shall use the product without NXP Semiconductors’ warranty

of the product for such automotive applications, use and specifications, and

(b) whenever customer uses the product for automotive applications beyond

NXP Semiconductors’ specifications such use shall be solely at customer’s

own risk, and (c) customer fully indemnifies NXP Semiconductors for any

liability, damages or failed product claims resulting from customer design and

use of the product for automotive applications beyond NXP Semiconductors’

standard warranty and NXP Semiconductors’ product specifications.

Translations — A non-English (translated) version of a document, including

the legal information in that document, is for reference only. The English

version shall prevail in case of any discrepancy between the translated and

English versions.

Security — Customer understands that all NXP products may be subject to

unidentified vulnerabilities or may support established security standards or

specifications with known limitations. Customer is responsible for the design

and operation of its applications and products throughout their lifecycles

to reduce the effect of these vulnerabilities on customer’s applications

and products. Customer’s responsibility also extends to other open and/or

proprietary technologies supported by NXP products for use in customer’s

applications. NXP accepts no liability for any vulnerability. Customer should

regularly check security updates from NXP and follow up appropriately.

Customer shall select products with security features that best meet rules,

regulations, and standards of the intended application and make the

ultimate design decisions regarding its products and is solely responsible

for compliance with all legal, regulatory, and security related requirements

concerning its products, regardless of any information or support that may be

provided by NXP.

NXP has a Product Security Incident Response Team (PSIRT) (reachable

at PSIRT@nxp.com) that manages the investigation, reporting, and solution

release to security vulnerabilities of NXP products.

20.4 Trademarks

Notice: All referenced brands, product names, service names, and

trademarks are the property of their respective owners.

NXP — wordmark and logo are trademarks of NXP B.V.

I2C-bus — logo is a trademark of NXP B.V.

PCA9574

All information provided in this document is subject to legal disclaimers.

© 2023 NXP B.V. All rights reserved.

Product data sheet

Rev. 6.0 — 31 May 2023

27 / 29