>Every question a user has to ask themselves during the checkout process is another reason for them not to complete it.
(http://kenkeiter.com/2013/07/21/redesigning-credit-card-inpu...)
"Wait, where do I put the CVC, name and expiration date?"
"Wait, where do I put the CVC, name and expiration date?"
...we have a usable, familiar, industry-tested form of data entry. =D