PCA9544APWT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

4-Channel I2C And SMBus Multiplexer With Interrupt Logic

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
PCA9544APWTSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $0.6760(MOQ 100)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL0
Family9544
JESD-30 CodeR-PDSO-G20
JESD-609 Codee4
Load Capacitance (CL)100pF
Logic IC TypeMULTIPLEXER
Number of Functions4
Number of Inputs4
Number of Outputs1
Output PolarityTRUE
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP20,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Packing MethodTR
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)0.012mA
Prop. Delay@Nom-Sup1ns
Propagation Delay (tpd)1000ns
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup)5.5V
Supply Voltage-Min (Vsup)2.3V
Supply Voltage-Nom (Vsup)2.5V
Surface MountYES
TechnologyBICMOS
Temperature GradeINDUSTRIAL
Terminal FinishNICKEL PALLADIUM GOLD
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.01
Country of OriginMalaysia

Datasheet

PCA9544APWT Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for PCA9544APWT:

TCA9544APWRTexas Instruments Single-Ended

Multiplexer, 1 Func, 4 Channel, PDSO20

View Part →
PCA9544APWTexas Instruments

Multiplexer, 9544 Series, 1-Func, 4 Line Input, 1 Line Output, True Output, PDSO20

View Part →
PCA9544APWRG4Texas Instruments

Multiplexer, 9544 Series, 4-Func, 4 Line Input, 1 Line Output, True Output, PDSO20

View Part →

Frequently Asked Questions

What is the price of PCA9544APWT?

PCA9544APWT is priced from $0.6760 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is PCA9544APWT in stock?

PCA9544APWT is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy PCA9544APWT?

You can buy PCA9544APWT from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for PCA9544APWT from Texas Instruments.

What is the datasheet for PCA9544APWT?

The official PCA9544APWT datasheet from Texas Instruments contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does PCA9544APWT come in?

PCA9544APWT is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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Competitive Pricing
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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $0.6760
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
100+$0.8870$88.70
500+$0.7340$367.00
1000+$0.6760$676.00
pcs
Unit price: $0.8870 · Total: $88.70

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany