Welcome to Winsun (HK) Electronics Limited!
+86-(0755)8253 3846
FILTERED PRODUCT SELECTION

I/O Expanders

Use the filters and product table below to compare I/O Expanders components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Number of I/O Interface Interrupt Output Features Output Type Current - Output Source/Sink Clock Frequency Voltage - Supply Operating Temperature Grade Qualification Mounting Type Supplier Device Package
933DM National Semiconductor

933DM

DUAL FOUR INPUT EXPANDER

National Semiconductor

917 -
Datasheet * - Bulk Active Not Verified - - - - - - - - - - - - -
MM82PC12NI National Semiconductor

MM82PC12NI

IC XPNDR CMOS

National Semiconductor

4,004 -
Datasheet - - Bulk Active Not Verified 8 CMOS Yes - - - - 4.5V ~ 5.5V -40°C ~ 85°C - - - -
NSC831E-MIL National Semiconductor

NSC831E-MIL

PARALLEL IO PORT, 8-BIT CQCC44

National Semiconductor

2,743 -
Datasheet - - Bulk Active - - - - - - - - - - - - - -
PCA9534DB National Semiconductor

PCA9534DB

PCA9534 REMOTE 8-BIT I2C AND LOW

National Semiconductor

3,120 -
Datasheet - 16-SSOP (0.209", 5.30mm Width) Bulk Active Not Verified 8 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SSOP
WINSUN SOURCING SUPPORT

Need Help Sourcing I/O Expanders?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

I/O Expanders FAQ

Common questions about filtering, comparing and sourcing I/O Expanders components.

How can I narrow the I/O Expanders selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific I/O Expanders part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.