參數資料
型號: SK1999
廠商: Semtech Corporation
英文描述: 1:9 Signal Distribution
中文描述: 1:9信號分布
文件頁數: 4/30頁
文件大?。?/td> 929K
代理商: SK1999
Revision 1/January 23, 2001
L
11
(L1)
R2
GAGE PLANE
2
R1
01
02
2
S
03
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9
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b
c
9
b1
9
c
WITH
PLATING
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1.
All dimensions and tolerancing conforms
to ANSI Y14.5M-1982.
The top package body size may be smaller
than the bottom package body size by as
much as 0.15 mm.
To be determined at seating plane.
Dimensions D1 and E1 do not include
mold protrusion. Allowable protrusion
is 0.25 mm per side. D1 and E1 are
maximum plastic body size dimensions
including mold mismatch.
Details of Pin 1 identifier optional, but
must be located within the zone indicated.
All dimensions are in millimeters.
Dimension b does not include Dambar
protrusion. Allowable Dambar protrusion
shall not cause the lead width to exceed
the maximum b dimension by more than
0.08 mm. Dambar cannot be located
on the lower radius or the foot. Minimum
space between protrusion and an
adjacent lead is 0.07 mm for 0.4 mm and
0.5 mm pitch packages.
Exact shape of each corner is optional.
These dimensions apply to the flat
section of the lead between 0.10 mm
and 0.25 mm from the lead tip.
10. A1 is defined as the distance from the
seating plane to the lowest point of the
package body.
2.
3.
4.
5.
6.
7.
8.
9.
JEDEC Variation
All Dimensions in Millimeters
)*./
+,+'-
Figure 1.
Figure 2.
Figure 3.
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