MCP23S18-E/SO vs MCP23S08T-E/SO

This in-depth comparison of the MCP23S18-E/SO and MCP23S08T-E/SO 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

MCP23S18-E/SO

Microchip Technology

Lifecycle
Active
Stock
7472 PCS
Series
Interface - I-O Expanders
Part B

MCP23S08T-E/SO

Microchip Technology

Lifecycle
Active
Stock
1351 PCS
Package
SOIC-18
Series
Interface - I-O Expanders

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification MCP23S18-E/SO MCP23S08T-E/SO
Part Status Active Active
Base Product Number MCP23S18 -
Digi Key Programmable Not Verified -
Number of I/O 16 8
Interface SPI SPI
Interrupt Output Yes Yes
Output Type Open Drain Push-Pull
Current - Output Source / Sink 25mA 25mA
Clock Frequency 10 MHz 10 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
Packaging Tube -
Features - POR