mt90520 Zarlink Semiconductor, mt90520 Datasheet - Page 33

• Manufacturer Part Number: mt90520
• Description: 8-port Primary Rate Circuit Emulation Aal1 Sar
• Manufacturer: Zarlink Semiconductor

3.2.2
The package is a 456 ball Plastic Ball Grid Array (PBGA). It has 420 signal balls and 36 balls for ground (VSS) and
thermal conduction at the center. The outside dimensions are 35 mm x 35 mm. The pin pitch is 1.27 mm.
Pin Diagram
1
AA
AB
AD
AC
AE
AF
W
A
B
C
D
G
H
K
M
N
R
U
E
F
J
L
P
T
V
Y
1
- A1 corner is identified by metallized markings.
Figure 4 - PCB Pad Diagram for 35 mm x 35 mm PBGA (JEDEC MO-151)
1
2
3
4
5
6
7
8
Zarlink Semiconductor Inc.
9
10
MT90520
11
12
33
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Data Sheet