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ATMEGA640 Datasheet(PDF) 415 Page - Microchip Technology

Part # ATMEGA640
Description  8-bit Microcontroller with 16/32/64KB In-System Programmable Flash
PDF  436 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATMEGA640 Datasheet(HTML) 415 Page - Microchip Technology

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ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]
DS40002211A
36.4 64M2
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
REV.
64M2, 64-pad, 9 x 9 x 1.0mm Bod y, Lead Pitch 0.50mm ,
E
64M2
2014-02-12
COMMON DIMENSIONS
(Unit of measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
A
0.80
0.90
1.00
A1
–
0.02
0.05
b
0.18
0.25
0.30
D
D2
7.50
7.65
7.80
8.90
9.00
9.10
8.90
9.00
9.10
E
E2
7.50
7.65
7.80
e
0.50 BSC
L
0.35
0.40
0.45
TOP VIEW
SIDE VIEW
BOTTOM VIEW
D
E
Marked pin# 1 I D
SEATING PLANE
A1
C
A
C
0.08
1
2
3
K
0.20
0.27
0.40
2. Dimension and tolerance conform to ASMEY14.5M-1994.
0.20 REF
A3
A3
E2
D2
b
e
Pin #1 Corner
L
Pin #1
Triangle
Pin #1
Chamfer
(C 0.30)
Option A
Option B
Pin #1
Notch
(0.20 R)
Option C
K
K
Notes: 1. JEDEC Standard MO-220, (SAW Singulation) fig . 1, VMMD.
7.65mm Exposed Pad, Micro Lead Frame Package (MLF)



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