COM20022V-HT 查看數據表（PDF） - SMSC -> Microchip

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COM20022V-HT

10Mbps ARCNET controller with 2Kx8 on-board RAM

SMSC -> Microchip 

FIGURE 29 - 48 PIN TQFP PACKAGE OUTLINE

MIN

NOMINAL

A

~

~

A1

0.05

0.10

A2

1.35

1.40

D

8.80

9.00

D/2

4.40

4.50

D1

6.90

7.00

E

8.80

9.00

E/2

4.40

4.50

E1

6.90

7.00

H

0.09

~

L

0.45

0.60

L1

~

1.00

e

0.50 Basic

0o

~

W

0.17

~

R1

0.08

~

R2

0.08

~

ccc

~

~

ccc

~

~

Note 1:Controlling Unit: millimeter

MAX

1.6

0.15

1.45

9.20

4.60

7.10

9.10

4.60

7.10

0.20

0.75

~

7o

0.27

~

0.20

0.0762

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)

81

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