This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMx11 data sheet question

I am looking at an LM211D comparator. It is a single comparator in an 8 pin SOIC package. The title of the data sheet is:

"LMx11 Quad differential Comparators"

So, what is the "Quad" in the title referring to?