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參數(shù)資料
| 型號： | E4707B-EDGE4707B |
| 英文描述： | Quad Channel Per-Pin Precision Measurement Unit |
| 中文描述： | 四通道按針腳精密測量單元 |
| 文件頁數(shù)： | 8/25頁 |
| 文件大小： | 194K |
| 代理商： | E4707B-EDGE4707B |
16
Revision 3 / December 18, 2002
www .semtech.com
TEST AND MEASUREMENT PRODUCTS
Edge4707B
Package Information (continued)
/ / ccc C
/ / bbb C
aaa C
–C–
A2
A
C
A1
6
5
f
e
φ
0.20
S C A S B S
φ 0.75 S C
NX
b
4
Detail A
Side View
Detail A
Detail B
NOTES:
1.
All dimensions are in millimeters.
2.
‘e’ represents the basic solder ball grid pitch.
3.
‘M’ represents the basic solder ball matrix size, and symbol ‘N’ is
the maximum allowable number of balls after depopulating.
4.
‘b’ is measurable at the maximum solder ball diameter parallel
to primary datum –C–.
5.
Dimension ‘ccc’ is measured parallel to primary datum –C–.
6.
Primary datum –C– and seating plane are defined by the spherical
crowns of the solder balls.
7.
Package surface shall be matte finish charmilles 24 to 27.
8.
Package warp shall be 0.050 mm maximum.
9.
Substrate material base is BT resin.
10. The overall package thickness ‘A’ already considers collapse balls.
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1
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0
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8
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1
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