9248AF-128LF Integrated Device Technology, 9248AF-128LF Datasheet - Page 15

• Manufacturer Part Number: 9248AF-128LF
• Manufacturer: Integrated Device Technology

Connections to VDD:
Third party brands and names are the property of their respective owners.
General Layout Precautions:
1) Use a ground plane on the top layer
2) Make all power traces and ground
Notes:
1) All clock outputs should have a
2) Optional crystal load capacitors are
of the PCB in all areas not used by
traces.
traces as wide as the via pad for lower
inductance.
series terminating resistor, and a 20pF
capacitor to ground between the
resistor and clock pin. Not shown in
all places to improve readibility of
diagram.
recommended. They should be
included in the layout but not
inserted unless needed.
VDD
3.3V Power Route
Ferrite
Bead
C1
C1
15
22µF/20V
Tantalum
C2
10
12
13
14
15
16
17
18
19
20
21
22
23
24
11
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
= Routed Power
= Ground Connection Key (component side copper)
= Ground Plane Connection
= Power Route Connection
= Solder Pads
= Clock Load
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
22µF/20V
Tantalum
C2
ICS9248-128
C4
C3
C3
3.3V Power Route
Ferrite
Bead
Ground
1
2.5V Power Route
Clock Load
VDD