©2005 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FIN24C Rev. 1.0.2

23

Physical Dimensions

Dimensions are in millimeters unless otherwise noted.

Figure 31. Pb-Free, 42-Ball, Ultra Small Scale Ball Grid Array (USS-BGA), JEDEC MO-195, 3.5mm Wide

BOTTOM VIEW

3.50

4.50

0.5

0.5

3.0

2.5

Ø0.3±0.05

SEATING PLANE

0.23±0.05

0.45±0.05

(0.75)

(0.5)

(0.35)

(0.6)

0.08 C

0.10 C

0.10 C

0.89±0.082

1.00 MAX

0.21±0.04

(QA CONTROL VALUE)

0.10 C

C

0.15

C A B

0.05

C

X42

TERMINAL

A1 CORNER

INDEX AREA

2X

2X

0.2

+0.1

-0.0

LAND PATTERN

RECOMMENDATION