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COM20022I-HT датащи(PDF) 78 Page - SMSC Corporation

номер детали COM20022I-HT
подробное описание детали  10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM
PDF  82 Pages
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производитель  SMSC [SMSC Corporation]
домашняя страница  http://www.smsc.com
Logo SMSC - SMSC Corporation

COM20022I-HT датащи(HTML) 78 Page - SMSC Corporation

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10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM
Datasheet
Revision 02-27-06
Page 78
SMSC COM20022I
DATASHEET
Chapter 9
Package Outline
Figure 9.1 - COM20022I 48 Pin TQFP Package Outline
Table 9.1 - COM20022I 48 Pin TQFP Package Parameters
MIN
NOMINAL
MAX
REMARK
A
~
~
1.6
Overall Package Height
A1
0.05
0.10
0.15
Standoff
A2
1.35
1.40
1.45
Body Thickness
D
8.80
9.00
9.20
X Span
D/2
4.40
4.50
4.60
1/
2 X Span Measure from Centerline
D1
6.90
7.00
7.10
X body Size
E
8.80
9.00
9.10
Y Span
E/2
4.40
4.50
4.60
1/
2 Y Span Measure from Centerline
E1
6.90
7.00
7.10
Y body Size
H
0.09
~
0.20
Lead Frame Thickness
L
0.45
0.60
0.75
Lead Foot Length from Centerline
L1
~
1.00
~
Lead Length
e
0.50 Basic
Lead Pitch
θ
0
o
~
7
o
Lead Foot Angle
W
0.17
~
0.27
Lead Width
R1
0.08
~
~
Lead Shoulder Radius
R2
0.08
~
0.20
Lead Foot Radius
ccc
~
~
0.0762
Coplanarity (Assemblers)
ccc
~
~
0.08
Coplanarity (Test House)
Notes:
1.
Controlling Unit: millimeter
2.
Tolerance on the position of the leads is ± 0.04 mm maximum.
3.
Package body dimensions D1 and E1 do not include the mold protrusion. Maximum mold protrusion is 0.25 mm.
4.
Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane is 0.78-1.08 mm.
5.
Details of pin 1 identifier are optional but must be located within the zone indicated.



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