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EXAMPLE BOARD LAYOUT

400X (

0.4)

(0.8) TYP

(0.8) TYP

(

0.4)

METAL

0.025 MAX

SOLDER MASK

OPENING

METAL

UNDER

MASK

(

0.4)

SOLDER MASK

OPENING

0.025 MIN

FCBGA - 2.65 mm max height

ABJ0400A

BALL GRID ARRAY

4221311/D 03/2023

NOTES: (continued)

6. Final dimensions may vary due to manufacturing tolerance considerations and also routing constraints.

For more information, see Texas Instruments literature number SPRU811 (www.ti.com/lit/spru811).

SYMM

SYMM

LAND PATTERN EXAMPLE

EXPOSED METAL SHOWN

SCALE:6X

1

20

A

Y

B

C

D

E

F

G

H

J

K

L

M

N

P

R

T

U

V

W

2 3

4

5

6

7

8

9 10 11 12 13 14 15 16 17 18 19

NON-SOLDER MASK

DEFINED

(PREFERRED)

SOLDER MASK DETAILS

NOT TO SCALE

EXPOSED

METAL

SOLDER MASK

DEFINED

EXPOSED

METAL