19
8152AS–AVR–11/08
ATmega324PA
8.3 44M1

TITLE DRAWING NO.GPC REV.

Packa ge Drawing Contact:

packagedrawings@atmel.com 44M1ZWSH

44M1, 44-pad, 7 x 7 x 1.0 mm Body, Lead

Pitch 0.50 mm, 5.20 mm Exposed Pad, Thermally

Enhanced Plastic Very Thin Quad Flat No

Lead Package (VQFN)

9/26/08

COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL MIN NOM MAX NOTE
A 0.80 0.90 1.00
A1 – 0.02 0.05
A3 0.20 REF
b 0.180.230.30
D
D2 5.00 5.20 5.40
6.90 7.00 7.10
6.90 7.00 7.10
E
E2 5.00 5.20 5.40
e 0.50 BSC
L 0.59 0.64 0.69
K 0.20 0.26 0.41
Note: JEDEC Standard MO-220, Fig. 1 (SAW Singulation) VKKD-3.
TOP VIEW
SIDE VIEW
BOTTOM VIEW

D

E

Marked Pin# 1 ID

E2

D2

be

Pin #1 Corner

L

A1

A3

A

SEATING PLANE
Pin #1
Triangle
Pin #1
Chamfer
(C 0.30)
Option A
Option B
Pin #1
Notch
(0.20 R)
Option C

K

K

1
2
3