SAM7S256_14 Datasheet, PDF (591/775 Pages) ATMEL Corporation – ARM-based Flash MCU

Table 38-7.
Symbol
A
A1
A2
A3
b
D
D2
E
E2
L
e
R
aaa
bbb
ccc
64-pad QFN Package Dimensions (in mm)
Millimeter
Min
Nom
Max
Min
–
–
090
–
–
–
0.05
–
–
0.65
0.70
–
0.20 REF
0.23
0.25
0.28
0.009
9.00 bsc
6.95
7.10
7.25
0.274
9.00 bsc
6.95
7.10
7.25
0.274
0.35
0.40
0.45
0.014
0.50 bsc
0.125
–
–
0.0005
Tolerances of Form and Position
0.10
0.10
0.05
Inch
Nom
–
–
0.026
0.008 REF
0.010
0.354 bsc
0.280
0.354 bsc
0.280
0.016
0.020 bsc
–
0.004
0.004
0.002
Max
0.035
0.001
0.028
0.011
0.285
0.285
0.018
–
Table 38-8. Device and QFN Package Maximum Weight (Preliminary)
SAM7S32/161/16
200
mg
SAM7S512/256/128/64/321
280
mg
Table 38-9. QFN Package Reference
JEDEC Drawing Reference
JESD97 Classification
MO-220
e3
Table 38-10. QFN Package Characteristics
Moisture Sensitivity Level
3
This package respects the recommendations of the NEMI User Group.
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
591