ADSP-2191 datasheet(48/52 Pages) AD

48 / 52 page

ADSP-2191M

–48–

REV. 0

OUTLINE DIMENSIONS

144-LEAD METRIC THIN PLASTIC QUAD FLATPACK (LQFP) (ST-144)

144-BALL MINI-BGA (CA-144A)

SEATING

PLANE

1.60 MAX

0.15

0.05

0.08 MAX LEAD

COPLANARITY

0.75

0.60

0.45

1.45

1.40

1.35

108

144

109

TOP VIEW (PINS DOWN)

22.00 BSC SQ

20.00 BSC SQ

0.50 BSC

LEAD PITCH

0.27

0.22

0.17

TYP

DIMENSIONS IN MILLIMETERS.

ACTUAL POSITION OF EACH LEAD IS WITHIN 0.08 OF ITS

IDEAL POSITION, WHEN MEASURED IN THE LATERAL DIRECTION.

CENTER DIMENSIONS ARE NOMINAL.

NOTES:

DETAIL A

SEATING

PLANE

0.85

MIN

0.25

MIN

DIMENSIONS IN MILLIMETERS.

ACTUAL POSITION OF THE BALL GRID IS

WITHIN 0.15 OF ITS IDEAL POSITION, RELATIVE TO

THE PACKAGE EDGES.

ACTUAL POSITION OF EACH BALL IS WITHIN 0.08

OF ITS IDEAL POSITION, RELATIVE TO THE BALL

GRID.

CENTER DIMENSIONS ARE NOMINAL.

NOTES:

DETAIL A

0.55

0.50

0.45

BALL

DIAMETER

0.10 MAX BALL

COPLANARITY

1.70

MAX

DETAIL A

8.80

BSC

0.80

BSC

BALL

PITCH

12 11 10 9 8 7 6 5 4 3 2 1

10.10

10.00 SQ

9.90

BOTTOM VIEW

TOP VIEW

A1 COR NER INDE X

T RIANG LE

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