XR81112 Datasheet, PDF (4/12 Pages) Exar Corporation – Universal Clock - High Frequency LVCMOS/LVDS/LVPECL Clock Synthesizer

Symbol
Parameter
Crystal Characteristics
X_Mode
Mode of Oscillations
X_f
Frequency
ESR
Equivalent Series Resistance
C_S
Shunt Capacitance
AC Characteristics
f_OUT
t_jit(I)
Output Frequency
RMS Phase Jitter
t_jit(I)I
t_jit(I)F
t_R/t_F
Odc
Integer RMS Phase Jitter
Fractional RMS Phase Jitter
Output Rise/Fall Time
Output Duty Cycle
Conditions
156.25MHz (w/25MHz ref)
Integration Range 12kHz-20MHz
150MHz (w/25MHz ref)
Integration Range 12kHz-20MHz
125MHz (w/25MHz ref)
Integration Range 12kHz-20MHz
100MHz (w/25MHz ref)
Integration Range 12kHz-20MHz
with Ref input >25MHz
20% to 80%, see Figure 10
see Figure 11
* Limits applying over the full operating temperature range are denoted by a “•”.
XR81112
*
Min
Typ
Max
Units
Fundamental
10
60
50
7
MHz
Ω
pF
10
•
•
•
100
•
45
1500
MHz
0.6
pS
0.6
pS
0.6
pS
0.6
pS
1.0
pS
1.5
pS
500
pS
55
%
© 2014 Exar Corporation
4 / 12
exar.com/XR81112
Rev 1A