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ATmega644PA Datasheet(PDF) 457 Page - ATMEL Corporation

Part # ATmega644PA
Description  8-bit Microcontroller with 16/32/64/128K Bytes In-Sytem Programmable Flash
PDF  468 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega644PA Datasheet(HTML) 457 Page - ATMEL Corporation

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457
8152G–AVR–11/09
ATmega164PA/324PA/644PA/1284P
32.5
49C2
TITLE
DRAWING NO.
GPC
REV.
Package Drawing Contact:
packagedrawings@atmel.com
49C2
CBD
A
49C2, 49-ball (7 x 7 Array), 0.65 mm Pitch,
5.0 x 5.0 x 1.0 mm, Very Thin, Fine-Pitch
Ball Grid Array Package (VFBGA)
3/14/08
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
A
–
–
1.00
A1
0.20
–
–
A2
0.65
–
–
D
4.90
5.00
5.10
D1
3.90 BSC
E
4.90
5.00
5.10
E1
3.90 BSC
b
0.30
0.35
0.40
e
0.65 BSC
TOP VIEW
SIDE VIEW
A1 BALL ID
G
F
E
D
C
B
A
12
3
45
6
7
A
A1
A2
D
E
0.10
E1
D1
49 - Ø0.35 ± 0.05
e
A1 BALL CORNER
BOTTOM VIEW
b
e



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