Let's take a look at another MAX series beginning, take this model card to this table to see. EPM1270T144C5N. EPM is a family series, 1270 is its logical unit, this position of the product line is blank, that is corresponding to the last type, T is the package type, is TQFP,144 is the PIN number 144 pins, C is the commercial grade of 0-85 centigrade, 5 is the speed level, 5 is the middle of the speed is not the fastest nor the slowest. N is the meaning of lead-free packaging, and this table solves another naming of the beginning.
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