Packaging information, 1 20m1, Attiny43u – Rainbow Electronics ATtiny43U User Manual
Page 172

172
8048B–AVR–03/09
ATtiny43U
25. Packaging Information
25.1
20M1
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
R
REV.
20M1, 20-pad, 4 x 4 x 0.8 mm Body, Lead Pitch 0.50 mm,
A
20M1
10/27/04
2.6 mm Exposed Pad, Micro Lead Frame Package (MLF)
A 0.70
0.75
0.80
A1 – 0.01
0.05
A2
0.20
REF
b 0.18
0.23
0.30
D
4.00
BSC
D2 2.45 2.60 2.75
E
4.00
BSC
E2 2.45 2.60 2.75
e
0.50 BSC
L 0.35
0.40
0.55
SIDE VIEW
Pin 1 ID
Pin #1
Notch
(0.20 R)
BOTTOM VIEW
TOP VIEW
Note: Reference JEDEC Standard MO-220, Fig. 1 (SAW Singulation) WGGD-5.
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
D
E
e
A2
A1
A
D2
E2
0.08
C
L
1
2
3
b
1
2
3
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