Atmel Xplained Evaluation Kit ATMEGA1284P-XPLD ATMEGA1284P-XPLD Data Sheet
Product codes
ATMEGA1284P-XPLD
27
8272ES–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
10.3
44M1
TITLE
DRAWING NO.
GPC
REV.
Package Drawing Contact:
packagedrawings@atmel.com
packagedrawings@atmel.com
44M1
ZWS
H
44M1, 44-pad, 7 x 7 x 1.0mm body, lead
pitch 0.50mm, 5.20mm exposed pad, thermally
enhanced plastic very thin quad flat no
lead package (VQFN)
pitch 0.50mm, 5.20mm 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
0.18
0.23
0.30
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
b
e
Pin #1 Corner
L
A1
A3
A
SEATING PLANE
Pin #1
Triangle
Triangle
Pin #1
Chamfer
(C 0.30)
Chamfer
(C 0.30)
Option A
Option B
Pin #1
Notch
(0.20 R)
Notch
(0.20 R)
Option C
K
K
1
2
3
2
3