COM20020ILJP Datasheet, PDF (67/72 Pages) Microchip Technology – 5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM

5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
Datasheet
Figure 9.2 - 48 Pin TQFP Package Outline
Table 9.1 - 48 Pin TQFP Package Parameters
MIN
NOMINAL
MAX
A
~
~
1.6
A1
0.05
0.10
0.15
A2
1.35
1.40
1.45
D
8.80
9.00
9.20
D/2
4.40
4.50
4.60
D1
6.90
7.00
7.10
E
8.80
9.00
9.10
E/2
4.40
4.50
4.60
E1
6.90
7.00
7.10
H
0.09
~
0.20
L
0.45
0.60
0.75
L1
~
1.00
~
e
0.50 Basic
θ
0^o
~
7^o
W
0.17
~
0.27
R1
0.08
~
~
R2
0.08
~
0.20
ccc
~
~
0.0762
ccc
~
~
0.08
REMARK
Overall Package Height
Standoff
Body Thickness
X Span
1_{/2 X Span Measure from Centerline}
X body Size
Y Span
1_{/2 Y Span Measure from Centerline}
Y body Size
Lead Frame Thickness
Lead Foot Length from Centerline
Lead Length
Lead Pitch
Lead Foot Angle
Lead Width
Lead Shoulder Radius
Lead Foot Radius
Coplanarity (Assemblers)
Coplanarity (Test House)
Note 1: Controlling Unit: millimeter
SMSC COM20020I Rev D
Page 67
DATASHEET
Revision 12-05-06