XR81101 Datasheet, PDF (3/8 Pages) Exar Corporation – Universal Clock - High Frequency LVCMOS Clock Synthesizer

XR81101
Electrical Characteristics
Unless otherwise noted: T_A = -40°C to +85°C, V_CC = 3.3V±5% or 2.5V±5%, V_EE = 0V
Symbol
Parameter
3.3V Power Supply DC Characteristics
V_CC
Power Supply Voltage
I_EE
Power Supply Current
2.5V Power Supply DC Characteristics
V_CC
Power Supply Voltage
I_EE
Power Supply Current
LVCMOS/LVTTL DC Characteristics
Conditions
125MHz with output unloaded.
125MHz with the output unloaded.
*
Min
Typ
Max
Units
•
3.135
3.3
3.465
V
24
mA
•
2.375
2.5
2.625
V
21
mA
Symbol
Parameter
V_IH
Input High Voltage
V_IL
Input Low Voltage
I_IH
Input High Current (OE, FSEL[1:0])
I_IL
Input Low Current (OE, FSEL[1:0])
LVCMOS DC Characteristics
V_OH
Output High Voltage
V_OL
Output Low Voltage
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(cc)
Cycle-to-Cycle Jitter
t_R/t_F
Output Rise/Fall Time
Odc
Output Duty Cycle
Conditions
V_CC = 3.465V
V_CC = 2.625V
V_CC = 3.465V
V_CC = 2.625V
V_IN = V_CC = 3.465V or 2.625V
V_IN = 0V, V_CC = 3.465V or 2.625V
Output unloaded
Output unloaded
*
Min
•
2.42
•
1.83
•
-0.3
•
-0.3
•
•
-10
Typ
Max
Units
V_CC + 0.3
V
V_CC + 0.3
V
1.03
V
0.785
V
15
µA
µA
• 0.8 x V_CC
•
V
0.1 x V_CC
V
Fundamental
25
50
7
MHz
Ω
pF
125
MHz
125MHz (Int. Range 1.875MHz-20MHz)
0.15
pS
Using 25MHz, 18pF resonant crystal
•
10
pS
20% to 80%
•
100
550
pS
•
48
52
%
* Limits applying over the full operating temperature range are denoted by a “•”.
© 2014 Exar Corporation
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exar.com/XR81101
Rev 1A