ATMEGA48A_11 ATMEL [ATMEL Corporation], ATMEGA48A_11 Datasheet - Page 25

• Manufacturer Part Number: ATMEGA48A_11
• Description: 8-bit Atmel Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

10.2
8271DS–AVR–05/11
A1 BALL CORNER
Note2:
Note1:
32CC1
solder resist layer.
to the seating plane.
Dimension “b1” is the solderable surface defined by the opening of the
Dimension “b” is measured at the maximum ball dia. in a plane parallel
Package Drawing Contact:
[e-mail]
D1
A
B
C
D
E
F
F
E
D
C
B
A
1 2 3 4 5 6
1 2 3 4 5 6
BOTTOM VIEW
TOP VIEW
E1
E
Pin#1 ID
TITLE
32CC1, 32-ball (6 x 6 Array), 4 x 4 x 0.6 mm
package, ball pitch 0.50 mm, Ultra Thin,
Fine-Pitch Ball Grid Array (UFBGA)
e
ATmega48A/PA/88A/PA/168A/PA/328/P
e
D
32-Øb
SYMBOL
A
A1
A2
b
b1
D
D1
E
E1
e
0.12
0.25
0.25
3.90
3.90
MIN
b1
COMMON DIMENSIONS
GPC
SIDE VIEW
(Unit of Measure = mm)
–
CAG
A1
0.38 REF
0.08
2.50 BSC
2.50 BSC
0.50 BSC
NOM
0.30
4.00
4.00
A
–
–
–
DRAWING NO.
A2
32CC1
MAX
0.60
0.35
4.10
4.10
–
–
NOTE
07/06/10
1
2
REV.
B
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