V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CIF
       Common Intermediate Format [352x288] (video)


The Free On-line Dictionary of Computing (30 December 2018):

Caltech Intermediate Form
CIF

    (CIF) A geometry language for VLSI design, in
   which the primitives are coloured rectangles.

   ["Introduction to VLSI Systems", Mead & Conway, A-W 1980,
   Section 4.5].

   (1995-01-25)