Cirrus-logic CS1810xx Manual do Utilizador descarregar pdf (Página 51)

CobraNet Hardware User’s Manual

Mechanical Drawings and Schematics

DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 51

Version 2.3

9.3 CS1810xx/CS4961xx Package

DIM

MILLIMETERS INCHES

MIN NOM MAX MIN NOM MAX

A --- --- 1.60 --- --- .063”

A1 0.05 --- 0.15 .002” --- .006”

b 0.17 0.22 0.27 .007” .009” .011”

D 22.00 BSC .866”

D1 20.00 BSC .787”

E 22.00 BSC .866”

E1 20.00 BSC .787”

e 0.50 BSC .020”

θ

0° --- 7° 0° --- 7°

L 0.45 0.60 0.75 .018” .024” .030”

L1 1.00 REF .039” REF

TOLERANCES OF FORM AND POSITION

ddd 0.08 .003”

D1

D

e

L

θ

b

A1

A

Figure 31. 144-Pin LQFP Package Drawing

L1

Notes:

1. Controlling dimension is millimeter.

2. Dimensioning and tolerancing per ASME

Y14.5M-1994.

E1

E

M

B

SEATING PLANE

ddd

B

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