Vivanco 10-100MB FAST ETHERNET SWITCH 5 PORTS - PROGRAMMING Spécifications Page 80

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Vue de la page 79
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EXAMPLE BOARD LAYOUT
0.07 MIN
ALL AROUND
0.07 MAX
ALL AROUND
40X (0.25)
40X (0.6)
( ) TYP
VIA
0.2
36X (0.5)
(5.8)
(5.8)
( 4.6)
(R ) TYP0.05
(0.74)
TYP
(1.48)
TYP
(0.74) TYP
(1.48) TYP
WQFN - 0.8 mm max heightRTA0040A
PLASTIC QUAD FLATPACK - NO LEAD
4214989/A 12/2014
SYMM
1
10
11
20
21
30
31
40
SYMM
LAND PATTERN EXAMPLE
SCALE:12X
NOTES: (continued)
4. This package is designed to be soldered to a thermal pad on the board. For more information, see Texas Instruments literature
number SLUA271 (www.ti.com/lit/slua271).
SOLDER MASK
OPENING
METAL UNDER
SOLDER MASK
SOLDER MASK
DEFINED
METAL
SOLDER MASK
OPENING
SOLDER MASK DETAILS
NON SOLDER MASK
DEFINED
(PREFERRED)
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