Package and footprint review
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
Read the manufacturer datasheet for PCAL6408AEX1Z by NXP Semiconductors. Search the PDF, review the main part details, and request pricing for this Interface - I/O Expanders component without leaving the page.
Part Number
PCAL6408AEX1ZInternal code
TCE000097716
Package
16-X2QFN
Sub Category
Interface - I/O Expanders
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Technical summary
PCAL6408AEX1Z from NXP Semiconductors is a Interface - I/O Expanders device in 16-X2QFN package. Use this manufacturer datasheet to review its electrical, mechanical, and ordering information.
Interface
I2C / SMBus
Supply Voltage
1.65 V to 5.5 V
Number of I/O
8
Use the PCAL6408AEX1Z datasheet from NXP Semiconductors to verify the ratings, package details, operating limits, and ordering information that apply to your design or sourcing decision.
Embedded PDF
Engineering support
If your team is stuck on package interpretation, pin-level review, missing electrical details, or qualification questions around PCAL6408AEX1Z from NXP Semiconductors, contact our engineering-friendly team for a more technical discussion.
You can email our engineering support contact at [email protected], or use the contact page if your question needs a broader handoff.
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
Work through pin naming, signal mapping, interface expectations, and other datasheet interpretation issues.
Surface the missing specs, compliance documents, or qualification details your team still needs before approval.
PCAL6408AEX1Z cross reference and alternatives
Review mapped alternatives for PCAL6408AEX1Z from NXP Semiconductors. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
NXP recommended functional replacement path; package and register compatibility must be validated.
Replacement Type
Functional
Lifecycle status
3
key Attributes
-
Available Quantity
12,000
NXP recommended functional replacement path; not a drop-in due to package and behavior differences.
Replacement Type
Functional
Lifecycle status
3
key Attributes
-
Available Quantity
12,000
NXP recommended functional replacement path; package and firmware changes require engineering review.
Replacement Type
Functional
Lifecycle status
3
key Attributes
-
Available Quantity
12,000
NXP recommended functional replacement path with newer low-voltage translating GPIO features; layout and firmware review required.
Replacement Type
Functional
Lifecycle status
3
key Attributes
-
Available Quantity
12,000
Interface - I/O Expanders
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.

16-bit I2C-bus I/O expander in 24-SSOP, listed by NXP for 2026 last-time buy.

8-bit I2C/SMBus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.

8-bit I2C I/O expander in 16-SOIC used as a P2P candidate for PCA8574D,518.

8-bit I2C/SMBus I/O expander in 16-HVQFN, listed by NXP for 2026 last-time buy.

8-bit I2C-bus I/O expander in 16-TSSOP, listed by NXP for 2026 last-time buy.

8-bit I2C/SMBus I/O expander in 16-SOIC used as a P2P candidate.
Common questions
PCAL6408AEX1Z is a Interface - I/O Expanders component from NXP Semiconductors. This page provides the manufacturer datasheet together with the core part information needed for review and sourcing.
Use the PDF search field above the viewer. Search runs inside the PDF.js reader so you can review matches without leaving the document.
Yes. Use the Request Quote action on this page to submit your email, quantity, and target price for PCAL6408AEX1Z from NXP Semiconductors.
This datasheet page lists PCAL6408AEX1Z with package reference 16-X2QFN. Engineers should use the PDF to verify footprint, pin layout, and mechanical details before design or replacement decisions.
Start with the sections covering key ratings, electrical limits, interface behavior, and the attribute group beginning with Product Attribute. Those areas usually confirm whether PCAL6408AEX1Z fits the intended design constraints.
Yes. This page provides a direct download for the PCAL6408AEX1Z manufacturer datasheet PDF from NXP Semiconductors, while keeping the HTML datasheet page available for search and review.
