ATMEGA645V-8MU 查看數據表（PDF） - Atmel Corporation
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ATMEGA645V-8MU Datasheet PDF : 29 Pages
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9. Packaging Information
9.1 64A
ATmega325/3250/645/6450
PIN 1
e
PIN 1 IDENTIFIER
B
E1 E
D1
D
C 0°~7°
A1 A2
L
Notes:
1.This package conforms to JEDEC reference MS-026, Variation AEB.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
3. Lead coplanarity is 0.10 mm maximum.
A
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL MIN
A
–
A1
0.05
A2
0.95
D
15.75
D1 13.90
E
15.75
E1 13.90
B
0.30
C
0.09
L
0.45
e
NOM MAX
–
1.20
–
0.15
1.00 1.05
16.00 16.25
14.00 14.10
16.00 16.25
14.00 14.10
–
0.45
–
0.20
–
0.75
0.80 TYP
NOTE
Note 2
Note 2
2325 Orchard Parkway
R San Jose, CA 95131
TITLE
64A, 64-lead, 14 x 14 mm Body Size, 1.0 mm Body Thickness,
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
10/5/2001
DRAWING NO. REV.
64A
B
21
2570LS–AVR–08/07
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