PCA9544ARGYR vs PCA9539RGER

This in-depth comparison of the PCA9544ARGYR and PCA9539RGER provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

PCA9544ARGYR

Texas Instruments

Lifecycle
Active
Stock
7945 PCS
Series
Interface - Specialized
Part B

PCA9539RGER

Texas Instruments

Lifecycle
Active
Stock
3521 PCS
Package
VQFN-24
Series
Interface - I-O Expanders

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification PCA9544ARGYR PCA9539RGER
Part Status Active Active
Base Product Number PCA9544 -
Applications Translating Switch -
Interface I2C, SMBus I²C, SMBus
Voltage - Supply 2.3V ~ 5.5V 2.3V ~ 5.5V
Mounting Type Surface Mount Surface Mount
Packaging Cut Tape (CT), Tape & Reel (TR) -
Number of I/O - 16
Interrupt Output - Yes
Features - POR
Output Type - Push-Pull
Current - Output Source / Sink - 10mA, 25mA
Clock Frequency - 400 kHz
Operating Temperature - -40°C ~ 85°C