cy2xp21 Cypress Semiconductor Corporation., cy2xp21 Datasheet - Page 4

• Manufacturer Part Number: cy2xp21
• Description: 125 Mhz Lvpecl Clock Generator
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 001-52849 Rev. *B
CLK#
CLK
CLK#
CLK
Power
Noise
-0.5V +/- 0.125V
Figure 3. 2.5V Output Load AC Test Circuit
CLK#
CLK
Figure 5. Output Rise and Fall Time
V
V
2V
LVPECL
DD
SS
Figure 4. Output DC Parameters
Phase noise
PRELIMINARY
RMS Jitter =
Figure 7. Output Duty Cycle
20%
Figure 6. RMS Phase Jitter
f1
T
T
Offset Frequency
R
PERIOD
V
OD
80%
Area Under the Masked Phase Noise Plot
Z = 50Ω
Z = 50Ω
T
PW
80%
f2
CLK
CLK#
T
F
Phase noise mask
SCOPE
V
V
20%
50Ω
50Ω
A
B
T
DC
V
=
OCM
T
T
PERIOD
PW
= (V
A
+ V
B
)/2
CY2XP21
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