ATmega329/3290/649/6490
64M1
D
Marked Pin# 1 ID
E
TOP VIEW
K
L
D2
Pin #1 Corner
C SEATING PLANE
A1
A
0.08 C
SIDE VIEW
1
Option A Pin #1
2
Triangle
3
COMMON DIMENSIONS
(Unit of Measure = mm)
E2
Option B
Pin #1
Chamfer
(C 0.30)
K
b
e
BOTTOM VIEW
Option C
Pin #1
Notch
(0.20 R)
Note: 1. JEDEC Standard MO-220, (SAW Singulation) Fig. 1, VMMD.
2. Dimension and tolerance conform to ASMEY14.5M-1994.
SYMBOL
A
A1
b
D
D2
E
E2
e
L
K
MIN
0.80
–
0.18
8.90
5.20
8.90
5.20
0.35
1.25
NOM
0.90
0.02
0.25
9.00
5.40
9.00
5.40
0.50 BSC
0.40
1.40
MAX
1.00
0.05
0.30
9.10
5.60
9.10
5.60
0.45
1.55
NOTE
TITLE
2325 Orchard Parkway 64M1, 64-pad, 9 x 9 x 1.0 mm Body, Lead Pitch 0.50 mm,
R San Jose, CA 95131 5.40 mm Exposed Pad, Micro Lead Frame Package (MLF)
5/25/06
DRAWING NO. REV.
64M1
G
21
2552HS–AVR–11/06