COM20020I3V-HT 查看數據表（PDF） - SMSC -> Microchip

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COM20020I3V-HT

5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM

SMSC -> Microchip 

5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM

Figure 28 - 48 Pin TQFP Package Outline

A

A1

A2

D

D/2

D1

E

E/2

E1

H

L

L1

e

θ

W

R1

R2

ccc

ccc

Note 1:

MIN

NOMINAL

MAX

~

~

1.6

0.05

0.10

0.15

1.35

1.40

1.45

8.80

9.00

9.20

4.40

4.50

4.60

6.90

7.00

7.10

8.80

9.00

9.10

4.40

4.50

4.60

6.90

7.00

7.10

0.09

~

0.20

0.45

0.60

0.75

~

1.00

~

0.50 Basic

0o

~

7o

0.17

~

0.27

0.08

~

~

0.08

~

0.20

~

~

0.0762

~

~

0.08

Controlling Unit: millimeter

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)

SMSC COM20020I 3.3V Rev.E

Page 64

DATASHEET

Revision 09-11-06

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