Package and footprint review
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
Read the manufacturer datasheet for TCA9554PWR by Texas Instruments. Search the PDF, review the main part details, and request pricing for this Interface - I/O Expanders component without leaving the page.
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Technical summary
TCA9554PWR from Texas Instruments is a Interface - I/O Expanders device in 16-TSSOP 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 TCA9554PWR datasheet from Texas Instruments 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 TCA9554PWR from Texas Instruments, 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.
TCA9554PWR cross reference and alternatives
Review mapped alternatives for TCA9554PWR from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
P2P review candidate in 16-TSSOP for PCA8574PW,118. Confirm address map, register behavior, interrupt output, and output-drive limits before production approval.
Replacement Type
Pin-to-pin option
Lifecycle status
3
key Attributes
-
Available Quantity
12,000
Interface - I/O Expanders
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8-bit I2C/SMBus I/O expander in 16-HVQFN, listed by NXP for 2026 last-time buy.

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Common questions
TCA9554PWR is a Interface - I/O Expanders component from Texas Instruments. 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 TCA9554PWR from Texas Instruments.
This datasheet page lists TCA9554PWR with package reference 16-TSSOP. 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 TCA9554PWR fits the intended design constraints.
Yes. This page provides a direct download for the TCA9554PWR manufacturer datasheet PDF from Texas Instruments, while keeping the HTML datasheet page available for search and review.
