MCP23S18T-E/MJ vs MCP23017-E/ML

This in-depth comparison of the MCP23S18T-E/MJ and MCP23017-E/ML 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

MCP23S18T-E/MJ

Microchip Technology

Lifecycle
Active
Stock
4288 PCS
Package
QFN-24
Series
Interface - I-O Expanders
+BOM RFQ
Part B

MCP23017-E/ML

Microchip Technology

Lifecycle
Active
Stock
7719 PCS
Package
QFN-28
Series
Interface - I-O Expanders
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification MCP23S18T-E/MJ MCP23017-E/ML
Part Status Active Active
Number of I/O 16 16
Interface SPI I²C
Interrupt Output Yes Yes
Features - POR
Output Type Open Drain Push-Pull
Current - Output Source / Sink 25mA 25mA
Clock Frequency 10 MHz 1.7 MHz
Voltage - Supply 1.8V ~ 5.5V 1.8V ~ 5.5V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
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