20
8152AS–AVR–11/08
ATmega324PA
8.4 44MC

TITLE DRA WING NO . REV .

Packa ge Drawing Contact:

packagedrawings@atmel.com 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

SIDE 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 DIMENSIONS
(Unit of Measure = mm)
SYMBOL 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