BCM43455XKUBGT Datasheet, PDF (157/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
Mechanical Information
Figure 49: 140-Balls WLBGA Keep-out Areas for PCB Layout—Top View with Balls Facing Down
Keep out
#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Horizental
(mm)
0.11
0.09
0.12
0.08
0.08
0.20
0.15
0.14
0.17
0.05
0.15
0.27
0.16
0.15
0.18
0.13
0.13
0.13
0.18
0.08
0.14
0.10
0.07
0.07
vertical
(mm)
0.11
0.09
0.12
0.08
0.08
0.20
0.15
0.14
0.14
0.05
0.15
0.27
0.16
0.15
0.18
0.10
0.13
0.13
0.18
0.08
0.18
0.10
0.07
0.07
Note: No top-layer metal is allowed in keep-out areas.
Note: A DXF file for the WLBGA keep-out area is available for importation into a layout program.
Contact your Broadcom FAE for more information.
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 156