Package and footprint review
Clarify package fit, mechanical references, and footprint-related questions before design or sourcing moves forward.
PCA9554DWR Datasheet PDF
Read the manufacturer datasheet for PCA9554DWR 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.
Manufacturer datasheetTexas Instruments
Request pricing
Need pricing, availability, or lead time for this part? Send a quote request while reviewing the datasheet.
Technical summary
Key document context
PCA9554DWR from Texas Instruments is a Interface - I/O Expanders device in 16-SOIC package. Use this manufacturer datasheet to review its electrical, mechanical, and ordering information.
Interface
I2C / SMBus
Supply Voltage
2.3 V to 5.5 V
Number of I/O
8
Use the PCA9554DWR 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
Read the datasheet online
Loading PDF viewer...
Engineering support
Need technical help reviewing this datasheet?
If your team is stuck on package interpretation, pin-level review, missing electrical details, or qualification questions around PCA9554DWR from Texas Instruments, contact our engineering-friendly team for a more technical discussion.
Contact a hardware engineer
You can email our engineering support contact at [email protected], or use the contact page if your question needs a broader handoff.
Pin and interface checks
Work through pin naming, signal mapping, interface expectations, and other datasheet interpretation issues.
Qualification and documentation gaps
Surface the missing specs, compliance documents, or qualification details your team still needs before approval.
PCA9554DWR cross reference and alternatives
PCA9554DWR replacement and cross-reference parts
Review mapped alternatives for PCA9554DWR from Texas Instruments. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Pin-to-pin optionNXP Semiconductors16-SOIC
PCA9554D,118
Same-package 16-SOIC P2P review candidate for PCA9554D,118. Validate register map, address pins, and output drive.
Replacement Type
Pin-to-pin option
Lifecycle status
3
key Attributes
-
Available Quantity
12,000
Interface - I/O Expanders
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
PCF8575DBR
128 purchased
24-SSOP
RoHS
Datasheet
16-bit I2C I/O expander in 24-SSOP used as a direct P2P candidate.
Reference price
Needs inquiry
PCAL6416AHF,128
128 purchased
24-HWQFN
RoHS
Datasheet
16-bit low-voltage translating I2C/SMBus GPIO expander used as NXP functional replacement.
Reference price
Needs inquiry
PCF8574DWR
128 purchased
16-SOIC
RoHS
Datasheet
8-bit I2C I/O expander in 16-SOIC used as a P2P candidate for PCA8574D,518.
Reference price
Needs inquiry
PCA9554DB,118
128 purchased
16-SSOP
LTB
RoHS
Datasheet
8-bit I2C/SMBus I/O expander in 16-SSOP, listed by NXP for 2026 last-time buy.
Reference price
Needs inquiry
PCA8574D,518
128 purchased
16-SOIC
LTB
RoHS
Datasheet
8-bit I2C-bus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.
Reference price
Needs inquiry
PCF8575PWR
128 purchased
24-TSSOP
RoHS
Datasheet
16-bit I2C I/O expander in 24-TSSOP used as a direct P2P candidate.
Reference price
Needs inquiryCommon questions
Datasheet questions
What is PCA9554DWR?
PCA9554DWR 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.
How can I search inside the PCA9554DWR datasheet PDF?
Use the PDF search field above the viewer. Search runs inside the PDF.js reader so you can review matches without leaving the document.
Can I request a quote for PCA9554DWR while reading the datasheet?
Yes. Use the Request Quote action on this page to submit your email, quantity, and target price for PCA9554DWR from Texas Instruments.
What package information is available for PCA9554DWR?
This datasheet page lists PCA9554DWR with package reference 16-SOIC. Engineers should use the PDF to verify footprint, pin layout, and mechanical details before design or replacement decisions.
Which specifications should I check first in the PCA9554DWR datasheet?
Start with the sections covering key ratings, electrical limits, interface behavior, and the attribute group beginning with Product Attribute. Those areas usually confirm whether PCA9554DWR fits the intended design constraints.
Can I download the PCA9554DWR datasheet PDF from this page?
Yes. This page provides a direct download for the PCA9554DWR manufacturer datasheet PDF from Texas Instruments, while keeping the HTML datasheet page available for search and review.