USB97C201 datasheet(58/59 Pages) SMSC

58 / 59 page

SMSC DS – USB97C201

Page 58

Rev. 03/25/2002

PRELIMINARY

FIGURE 7 – 100 PIN QFP PACKAGE

MIN

NOMINAL

MAX

REMARKS

3.4

Overall Package Height

0.05

0.5

Standoff

2.55

3.05

Body Thickness

23.65

24.15

X Span

19.90

20.10

X body Size

17.65

18.15

Y Span

13.90

14.10

Y body Size

0.11

0.23

Lead Frame Thickness

0.73

0.88

1.03

Lead Foot Length

1.95

Lead Length

0.65 Basic

Lead Pitch

θθθθ

Lead Foot Angle

0.20

0.40

Lead Width

0.10

0.25

Lead Shoulder Radius

0.15

0.40

Lead Foot Radius

ccc

0.10

Coplanarity

Notes:

1 Controlling Unit: millimeter.

2 Tolerance on the true position of the leads is ± 0.065 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.

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