SX1231-31SKB868-EVAL Semtech, SX1231-31SKB868-EVAL Datasheet - Page 78
SX1231-31SKB868-EVAL
Manufacturer Part Number
SX1231-31SKB868-EVAL
Description
development tool usb kit for sx1231 transceiver...
Manufacturer
Semtech
Datasheet
1.SX1231-31SKB433.pdf
(84 pages)
- Current page: 78 of 84
- Download datasheet (2Mb)
8. Packaging Information
8.1. Package Outline Drawing
The SX1231 is available in a 24-lead QFN package as show in Figure 41.
8.2. Recommended Land Pattern
Rev 4 - Nov 2010
ADVANCED COMMUNICATIONS & SENSING
NOTES:
(C)
1.
2.
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS.
aaa C
NOTES:
1.
2.
H
3.
4. SQUARE PACKAGE-DIMENSIONS APPLY IN BOTH X AND Y DIRECTIONS.
Figure 42. Recommended Land Pattern
(LASER MARK)
INDICATOR
Figure 41. Package Outline Drawing
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
THERMAL VIAS IN THE LAND PATTERN OF THE EXPOSED PAD
SHALL BE CONNECTED TO A SYSTEM GROUND PLANE.
FAILURE TO DO SO MAY COMPROMISE THE THERMAL AND/OR
FUNCTIONAL PERFORMANCE OF THE DEVICE.
X
PIN 1
A
E1
e/2
A
A1
2
1
K
N
D/2
P
D1
D
Page 78
e
G
Y
Z
bxN
E
B
A2
C
LxN
bbb
E/2
SEATING
PLANE
DIM
C
G
H
K
P
X
Y
Z
C A B
DIMENSIONS
MILLIMETERS
(4.90)
4.10
3.30
3.30
0.65
0.35
0.80
5.70
DIM
aaa
bbb
D1
A1
A2
E1
A
D
E
N
b
e
L
DIMENSIONS
MIN
0.80
0.00
0.25
4.90
3.20
4.90
3.20 3.25 3.30
0.35
MILLIMETERS
-
0.65 BSC
(0.20)
NOM
0.30
5.00
3.25
5.00
0.40
0.08
0.10
24
-
-
MAX
1.00
0.05
0.35
5.10
3.30
5.10
0.45
-
DATASHEET
www.semtech.com
SX1231
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