24
8152GS–AVR–11/09
ATmega164PA/324PA/644PA/1284P
9.4
44MC
TITLE
DRA WING NO . REV .
Packa
g
e Drawin
g
Contact:
44MC A
9/13/07
D2
E2
L
L
B15
A18
B11
A13
B10
A12
B6
A7
A6
B5
B1
B20
A1
A24
eT
L
b
R0.20
0.40
eR
A19
B16
eT/2
S
IDE VIEW
A1
A
y
C
D
E
Pin 1 ID
TOP VIEW
BOTTOM VIEW
Note: 1. The terminal #1 ID is a Laser-marked Feature
.
COMMON DIMEN
S
ION
S
(Unit of Measure = mm)
S
YMBOL
MIN
NOM
MAX
N O T E
A
0.80 0.90 1.00
A1
0.00 0.02 0.05
b
0.18
0.23
0.30
C
0.20 REF
D
4.90
5.00
5.10
D2
2.55
2.60
2.65
E
4.90
5.00
5.10
E2
2.55
2.60
2.65
eT
–
0.70
–
eR
–
0.40
–
K
0.45
–
–
L
0.30
0.35
0.40
y
0.00
–
0.075
44MC,
44QFN (2-Row Staggered), 5 x 5 x 1.00 mm Body,
2.60 x 2.60 mm Exposed Pad, Quad Flat No Lead Package