Super I/O with Temperature Sensing, Quiet Auto Fan and Glue Logic with PECI

Chapter 2 Package Outline

Figure 3 128 Pin QFP Package Outline, 14X20X2.7 Body, 3.2 mm Footprint

 

 

 

Table 1 128 Pin QFP Package Parameters

 

 

 

 

 

 

 

 

MIN

 

NOMINAL

 

MAX

REMARKS

 

 

 

 

 

 

 

A

~

 

~

 

3.4

Overall Package Height

A1

0.05

 

~

 

0.5

Standoff

A2

2.55

 

~

 

3.05

Body Thickness

D

23.00

 

23.20

 

23.40

X Span

D1

19.90

 

20.00

 

20.10

X body Size

E

17.00

 

17.20

 

17.40

Y Span

E1

13.90

 

14.00

 

14.10

Y body Size

H

0.09

 

~

 

0.20

Lead Frame Thickness

L

0.73

 

0.88

 

1.03

Lead Foot Length

L1

~

 

1.60

 

~

Lead Length

e

0o

 

0.50 Basic

 

7o

Lead Pitch

q

 

~

 

Lead Foot Angle

 

 

W

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.Controlling Unit: millimeter.

3.Tolerance on the position of the leads is ± 0.04 mm maximum.

4.Package body dimensions D1 and E1 do not include the mold protrusion.

5.Maximum mold protrusion is 0.25 mm.

6.Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane.

7.Details of pin 1 identifier are optional but must be located within the zone indicated.

SMSC SCH5027E

PRODUCT5 PREVIEW

Revision 0.2 (02-11-09)