LQFP176 datasheet(125/133 Pages) STMICROELECTRONICS

125 / 133 page

DocID15131 Rev 9

125/133

SPC560B54x/6x

Package characteristics

132

16.80

17.00

17.20

0.6614

0.6693

0.6772

—

15.00

—

0.5906

—

16.80

17.00

17.20

0.6614

0.6693

0.6772

—

15.00

—

0.5906

—

1.00

—

0.0394

—

1.00

—

0.0394

—

ddd

—

0.20

—

0.0079

eee

—

0.25

—

0.0098

(4)

fff

—

0.10

—

0.0039

(5)

Values in inches are converted from mm and rounded to 4 decimal digits.

LBGA stands for Low profile Ball Grid Array.



– Low profile: The total profile height (Dim A) is measured from the seating plane to the top of the component



– The maximum total package height is calculated by the following methodology:



A2 (Typ) + A1 (Typ) +

 (A12 + A32 + A42 tolerance values)

– Low profile: 1.20 mm < A < 1.70 mm

The typical ball diameter before mounting is 0.60mm.

The tolerance of position that controls the location of the pattern of balls with respect to datums A and B.



For each ball there is a cylindrical tolerance zone eee perpendicular to datum C and located on true position with respect to

datums A and B as defined by e. The axis perpendicular to datum C of each ball must lie within this tolerance zone.

The tolerance of position that controls the location of the balls within the matrix with respect to each other.



For each ball there is a cylindrical tolerance zone fff perpendicular to datum C and located on true position as defined by e.

The axis perpendicular to datum C of each ball must lie within this tolerance zone.



Each tolerance zone fff in the array is contained entirely in the respective zone eee above.



The axis of each ball must lie simultaneously in both tolerance zones.

Table 54. LBGA208 mechanical data (continued)

Symbol

inches(1)

Notes

Min

Typ

Max

Min

Typ

Max

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