UG353: Si5397 Evaluation Board User's
Guide
The Si5397-EVB is used for evaluating the Si5397 Any-Frequency, Any-Output, Jitter-
Attenuating Clock Any-Frequency, Any-Output, Jitter-Attenuating Clock Multiplier Revi-
sion A. The device grade and revision is distinguished by a white 1 inch x 0.187 inch
label installed in the lower left hand corner of the board. In the example below, the label
"SI5397A-A-EB" indicates the evaluation board has been assembled with an Si5397 de-
vice, Grade A,Revision A, installed. (For ordering purposes only, the terms “EB” and
“EVB” refer to the board and the kit, respectively. For the purpose of this document, the
terms are synonymous in context.)
KEY FEATURES
• Powered from USB port or ex5 V
power supply via screw terminals
• Onboard 48 MHz XTAL allows standalone
or holdover mode of operation on the
Si5397
• CBPro™ GUI programmable VDD supply
allows device supply voltages of 3.3, 2.5,
or 1.8 V
• CBPro GUI programmable VDDO supplies
allow each of the eight outputs to have its
own supply voltage selectable from 3.3,
2.5, or 1.8 V
• CBPro GUI allows control and
measurement of voltage, current, and
power of VDD and all eight VDDO supplies
• Status LEDs for power supplies and
control/status signals of the Si5397
• SMA connectors for input clocks, output
clocks and optional external timing
reference clock
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