SMSC LPC47M997 Скачать руководство пользователя страница 5

 

SMSC LPC47M997

 

Page 5

 

Rev.

 

01-12-07 

 

PRODUCT PREVIEW

 

Package Outline 

 

 

Figure 2 - 128 PIN QFP Package Outline, 14x20x2.7 Body, 3.2 mm Footprint 

Table 1 - 128 PIN QFP Package Parameters 

 

MIN NOMINAL MAX

REMARKS 

3.4

Overall Package Height 

A1 

0.05 ~  0.5

Standoff 

A2 

2.55 ~ 3.05

Body Thickness 

23.00 23.20 23.40

Span 

D1 

19.90 20.00 20.10

body Size 

17.00 17.20 17.40

Span 

E1 

13.90 14.00 14.10

body Size 

0.09 

0.20

Lead Frame Thickness 

0.73 

0.88 

1.03

Lead Foot Length 

L1 

~ 1.60 ~

Lead 

Length 

0.50 Basic 

Lead Pitch 

θ 

0

o

 ~ 7

o

Lead Foot Angle 

0.10 ~ 0.30

Lead 

Width 

R1 

0.08 

~

Lead Shoulder Radius 

R2 

0.08 

0.30

Lead Foot Radius 

ccc 

~ ~ 

0.08

Coplanarity 

Notes:  

1.  Controlling Unit: millimeter. 
2.  Tolerance on the position of the leads is ± 0.04 mm maximum. 
3.  Package body dimensions D1 and E1 do not include the mold protrusion.  

Maximum mold protrusion is 0.25 mm. 

4.  Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane. 
5. Details of pin 1 identifier are optional but must be located within the zone indicated. 

Отзывы: