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1 vote
3 answers
99 views

Why is the Clock Signal referred to as SCK instead of CLK in SPI?

I understand "SCK" expands to "Serial Clock", but simply calling it "Clock" would have worked just as fine. Am I right to understand that this "S" is a ...
Curious_Baby's user avatar
2 votes
3 answers
68 views

VF vs. VFR Suffix: Whats the Difference?

On Digikey, I have found 2 parts that have the same datasheet and same product attributes, but one is $2 cheaper and has VFR at the end of its name instead of VF. Here are the products and datasheets: ...
ShortsKing's user avatar