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ATmega644PA Datasheet(PDF) 456 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) 456 Page - ATMEL Corporation

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456
8152G–AVR–11/09
ATmega164PA/324PA/644PA/1284P
32.4
44MC
TITLE
DRAWING NO.
REV.
Package 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
NOTE
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



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