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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
PCF8575CDBQR Texas Instruments

PCF8575CDBQR

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Texas Instruments

4,604 -
Datasheet - 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified 16 I2C, SMBus Yes POR Open Drain 10mA, 25mA 400 kHz 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
PCF8575CDBR Texas Instruments

PCF8575CDBR

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Texas Instruments

2,455 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Not Verified 16 I2C, SMBus Yes POR Open Drain 10mA, 25mA 400 kHz 4.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
PCF8575DB Texas Instruments

PCF8575DB

IC XPNDR 400KHZ I2C SMBUS 24SSOP

Texas Instruments

164 -
Datasheet - 24-SSOP (0.209", 5.30mm Width) Bulk Obsolete Not Verified 16 I2C, SMBus Yes POR Push-Pull 10mA, 25mA 400 kHz 2.5V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-SSOP
SN74LS612FN Texas Instruments

SN74LS612FN

PARALLEL I/O PORT, 12 I/O, TTL,

Texas Instruments

10,028 -
Datasheet * - Bulk Active Not Verified - - - - - - - - - - - - -
SN74LS612N Texas Instruments

SN74LS612N

PARALLEL I/O PORT, 12 I/O, TTL

Texas Instruments

5,966 -
Datasheet * - Bulk Active Not Verified - - - - - - - - - - - - -
SN74LS610N Texas Instruments

SN74LS610N

PARALLEL I/O PORT, 12 I/O, TTL

Texas Instruments

4,167 -
Datasheet * - Bulk Active Not Verified - - - - - - - - - - - - -
LM8335TLE/NOPB Texas Instruments

LM8335TLE/NOPB

LM8335 GENERAL-PURPOSE OUTPUT EX

Texas Instruments

750 -
Datasheet * - Bulk Active Not Verified - - - - - - - - - - - - -
TCA9554ADWT Texas Instruments

TCA9554ADWT

IC XPNDR 400KHZ I2C SMBUS 16SOIC

Texas Instruments

500 -
Datasheet - 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified 8 I2C, SMBus Yes POR Push-Pull - 400 kHz 1.65V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
PCA9557D Texas Instruments

PCA9557D

IC XPNDR 400KHZ I2C SMBUS 16SOIC

Texas Instruments

3,550 -
Datasheet - 16-SOIC (0.154", 3.90mm Width) Bulk Obsolete Not Verified 8 I2C, SMBus No POR Open Drain, Push-Pull 10mA, 25mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 16-SOIC
PCA9536DGKRG4 Texas Instruments

PCA9536DGKRG4

IC XPNDR 400KHZ I2C SMBUS 8VSSOP

Texas Instruments

2,548 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Discontinued at Digi-Key Not Verified 4 I2C, SMBus No POR Push-Pull 10mA, 25mA 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 8-VSSOP
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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.