MPC7457 datasheet(48/71 Pages) FREESCALE

48 / 71 page

MPC7457 RISC Microprocessor Hardware Specifications, Rev. 8

Package Description

Freescale Semiconductor

8.5

Mechanical Dimensions for the MPC7457, 483 CBGA or

RoHS BGA

Figure 22 provides the mechanical dimensions and bottom surface nomenclature for the MPC7457, 483

CBGA package.

Figure 22. Mechanical Dimensions and Bottom Surface Nomenclature for the MPC7457,

483 CBGA

or RoHS BGA Package

0.2

NOTES:

1. DIMENSIONING AND

TOLERANCING

PER ASME Y14.5M, 1994.

2. DIMENSIONS IN

MILLIMETERS.

3. TOP SIDE A1 CORNER

INDEX IS A METALIZED

FEATURE WITH VARIOUS

SHAPES. BOTTOM SIDE.

A1 CORNER IS

DESIGNATED WITH A BALL

MISSING FROM THE

ARRAY.

A1 CORNER

0.2

1 23456789 10 11 12 13 14 15 16

0.15 A

17 18 19

Millimeters

DIM

MIN

MAX

2.72

3.20

0.80

1.00

1.10

1.30

0.60

0.82

0.93

29.00 BSC

—

12.5

8.5

—

8.4

10.9

11.1

1.27 BSC

29.00 BSC

—

12.5

8.5

—

8.4

9.55

9.75

483X

0.3

0.15

2021 22

Capacitor Region

0.35 A

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