PCA9554APW vs PCA9544APWRG4

This in-depth comparison of the PCA9554APW and PCA9544APWRG4 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

PCA9554APW

Texas Instruments

Lifecycle
Active
Stock
6129 PCS
Package
TSSOP-16
Series
Interface - I-O Expanders
+BOM RFQ
Part B

PCA9544APWRG4

Texas Instruments

Lifecycle
Active
Stock
5988 PCS
Package
TSSOP-20
Series
Interface - Specialized
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification PCA9554APW PCA9544APWRG4
Supplier - Texas Instruments
Part Status Not For New Designs Discontinued at Digi-Key
Applications - Translating Switch
Interface I²C, SMBus I²C, SMBus
Voltage - Supply 2.3V ~ 5.5V 2.3V ~ 5.5V
Number of I/O 8 -
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 -
Mounting Type Surface Mount -
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