Synthesis Guidelines - Prohibition of mode buffer

Q.  Why is the use of mode buffer prohibited in the design process of synthesizer?
- Published on 25 Nov 15

a. To avoid mixing of clock edges
b. To prevent the occurrence of glitches & metastability
c. Because critical path has preference in placement
d. Because Maximum ASIC vendors fail to support mode buffer in libraries

ANSWER: Because Maximum ASIC vendors fail to support mode buffer in libraries

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