GL850 Ver la hoja de datos (PDF) - Unspecified

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componentes Descripción

Fabricante

GL850

USB 2.0 4-PORT HUB Controller

Unspecified 

GL850 USB 2.0 4-Port HUB Controller

CHAPTER 7 PACKAGE DIMENSION

48

49

D

D1

D2

D

33

32

A

A2

A1

A

B

64

1

e

0-1

17

16 4X aaa C A B D

4X bbb H A B D

c

b

ddd M C A B s D s

0-

C SEATING

PLANE

ccc C

0-2

R1

CONTROLDIMENSIONSAREINMILLIMETERS.

SY MBOL

MILLIMETER

MIN. NOM. MAX.

MIN.

INCH

NOM. MAX.

A

1.60

0.063

H

R2

A1 0.05

0.15 0.002

0.006

A2

1.35 1.40 1.45 0.053 0.055 0.057

GAGE PLANE

0.25mm

D

12.00BASIC

E

12.00BASIC

0.472BASIC

0.472BASIC

SL

D1

10.00BASIC

0.393BASIC

0-3

E1

10.00BASIC

D2

7.50BASIC

0.393BASIC

0.295BASIC

E2

7.50BASIC

0.295BASIC

R1 0.08

0.003

NOTES :

1. DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD

R2 0.08

0.20 0.003

0.008

0-

0 3.5 7

0 3.5 7

0-1

0

0

0-2

11 12 13 11 12 13

0-3

11 12 13 11 12 13

PROTRUSION. ALLOWABLE PROTRUSION IS 0.25 mm PER

SIDE. D1 AND E1 ARE MAXIMUM PLASTIC BODY SIZE

DIMENSIONS INCLUDING MOLD MISMATCH.

c

0.09

0.20 0.004

0.008

L

0.45 0.60 0.75 0.018 0.024 0.030

L1

1.00REF

0.039REF

2. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION.

ALLOWABLE DAMBAR PROTRUSION SHALL NOT CAUSE THE

LEAD WIDTH TO EXCEED THE MAXIMUM b DIMENSION BY

MORE THAN 0.08mm. DAMBAR CAN NOT BE LOCATED ON THE

LOWER RADIUS OR THE FOOT. MINIMUM SPACE BETWEEN

S

0.20

0.008

b

0.17 0.20 0.27 0.007 0.008 0.011

e

0.50BASIC

0.020BASIC

TOLERANCESOFFORMANDPOSITION

aaa

0.20

0.008

PROTRUSION AND AN ADJACENT LEAD IS 0.07mm.

bbb

0.20

0.008

ccc

0.08

0.003

ddd

0.08

0.003

Figure 7.1 - GL850 64 Pin LQFP Package

©2000-2003 Genesys Logic Inc.—All rights reserved.

Page 40

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