SI5351A-A-GMR Silicon Laboratories, SI5351A-A-GMR Datasheet - Page 18
SI5351A-A-GMR
Manufacturer Part Number
SI5351A-A-GMR
Description
Control: I2C; Reference Inputs: 1; Clock Outputs: 8; Input Frequency (MHz): 25/27 MHz (Xtal); Output Frequency (MHz):...
Manufacturer
Silicon Laboratories
Datasheet
1.SI5351A-A-GU.pdf
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Si5351A/B/C
5.2. Si5351 Application Examples
The Si5351 is a versatile clock generator which serves a wide variety of applications. The following examples show
how it can be used to replace crystals, crystal oscillators, VCXOs, and PLLs.
5.3. Replacing Crystals and Crystal Oscillators
Using an inexpensive external crystal, the Si5351A can generate up to 8 different free-running clock frequencies
for replacing crystals and crystal oscillators. A 3-output version packaged in a small 10-MSOP is also available for
applications that require fewer clocks. An example is shown in Figure 13.
18
Figure 13. Using the Si5351A to Replace Multiple Crystals, Crystal Oscillators, and PLLs
27 MHz
XA
XB
Si5351A
Note: Si5351A replaces crystals, XOs, and PLLs.
OSC
PLL
Preliminary Rev. 0.95
Synth
Synth
Synth
Synth
Synth
Synth
Synth
Synth
Multi
Multi
Multi
Multi
Multi
Multi
Multi
Multi
0
1
2
3
4
5
6
7
CLK0
CLK1
CLK2
CLK3
CLK4
CLK5
CLK6
CLK7
74.25/1.001 MHz
125 MHz
28.322 MHz
74.25 MHz
24.576 MHz
22.5792 MHz
48 MHz
33.3333 MHz
Controller
Ethernet
HDMI
PHY
USB
Port
CPU
Video/Audio
Processor
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