Datasheet

366
7674F–AVR–09/09
ATmega164P/324P/644P
Notes: 1. Dimensioning and tolerancing conform to ASME Y14.5M. - 1994.
2. Dimensions b applies to metallized terminal and is measured between 0.15 and 0.30 mm from
terminal TIP. If the terminal has the optional radius on the other end of the terminal, the dimen-
sion b should not be measured in that radius area.
3. Maximum package warpage is 0.05 mm.
4. Maximum allowable burrs is 0.076 mm in all directions.
5. Pin #1 ID on top will be laser marked.
6. This drawing conforms to JEDEC registered outline M0-220.
7. A maximum 0.15 mm pull back (L1) may be present.
L minus L1 to be equal to or greater than 0.30 mm.
8. The terminal #1 identifier are optional but must be located within the zone indicated the termi-
nal #1 identifier be either a mold or marked feature.