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AT
Atmel
A
Family
A = Application circuit
XXXX
Device Number
X
Additional Device Numbering
Blank = Regular sampleN, P = Device modification
XX
Type Of Sample
Blank = Regular sampleES = Engineering sample
X
Package Type
3 = DIP6 = TSSOPT = SOICP = QFNA = QFP7 = BGA
X
Number Of Pins
- not same in every package, see the coresponding datasheet
XX
Quantity Per Reel
PW = 1000 or 1500QW = 4000 or 6000(see the corresponding datasheet)
Note: Part number description table describes usual part-numbering system for more chips, therefore this table can contain information, that might not be valid for the actually selected chip. The information here are provided on the best-effort basis and might be either inaccurate or incoplete. Therefore always check the latest datasheet of the chip for part number description detail. If you find some inaccuracy, let us please know.