44M1
D
Marked Pin# 1 ID
E
TOP VIEW
K
L
D2
Pin #1 Corner
SEATING PLANE
A1
A3
A
SIDE VIEW
1
Option A Pin #1
Triangle
2
3
E2
Option B
Pin #1
Chamfer
(C 0.30)
K
b
e
BOTTOM VIEW
Option C
Pin #1
Notch
(0.20 R)
Note: JEDEC Standard MO-220, Fig. 1 (SAW Singulation) VKKD-3.
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
A
A1
A3
b
D
D2
E
E2
e
L
K
MIN
0.80
–
0.18
5.00
5.00
0.59
0.20
NOM
0.90
0.02
0.25 REF
0.23
7.00 BSC
5.20
7.00 BSC
5.20
0.50 BSC
0.64
0.26
MAX
1.00
0.05
0.30
5.40
5.40
0.69
0.41
NOTE
TITLE
2325 Orchard Parkway 44M1, 44-pad, 7 x 7 x 1.0 mm Body, Lead Pitch 0.50 mm,
R San Jose, CA 95131 5.20 mm Exposed Pad, Micro Lead Frame Package (MLF)
3/18/05
DRAWING NO. REV.
44M1
F
20 ATmega164/324/644
2593AS–AVR–06/05