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XR81111 Datasheet, PDF (3/12 Pages) Exar Corporation – Universal Clock - High Frequency LVPECL Clock Synthesizer
XR81111
Electrical Characteristics
Unless otherwise noted: TA = -40°C to +85°C, VCC = 3.3V±5% or 2.5V±5%, VEE = 0V
Symbol
Parameter
3.3V Power Supply DC Characteristics
VCC
Power Supply Voltage
IEE
Power Supply Current
2.5V Power Supply DC Characteristics
VCC
Power Supply Voltage
IEE
Power Supply Current
Conditions
*
Min
Typ
Max
Units
•
3.135
3.3
3.465
V
Measured at 156.25MHz and includes
the output load current
68
mA
•
2.375
2.5
2.625
V
Measured at 156.25MHz and includes
the output load current
58
mA
Symbol
Parameter
LVCMOS/LVTTL DC Characteristics
VIH
Input High Voltage
VIL
Input Low Voltage
IIH
Input High Current (OE, FSEL[1:0])
IIL
Input Low Current (OE, FSEL[1:0])
LVPECL DC Characteristics
VOH
Output High Voltage
VOL
Output Low Voltage
VSWING Peak-to-Peak Output Voltage Swing
Crystal Characteristics
XMode
Mode of Oscillations
Xf
Frequency
ESR
Equivalent Series Resistance
CS
Shunt Capacitance
AC Characteristics
fOUT
Output Frequency
Conditions
VCC = 3.465V
VCC = 2.625V
VCC = 3.465V
VCC = 2.625V
VIN = VCC = 3.465V or 2.625V
VIN = 0V, VCC = 3.465V or 2.625V
See Table 1.
*
Min
Typ
Max
Units
•
2.42
•
1.83
•
-0.3
•
-0.3
•
•
-10
VCC + 0.3
V
VCC + 0.3
V
1.03
V
0.785
V
15
µA
µA
•
VCC - 1.3
•
VCC - 2.0
•
0.6
VCC - 0.4
V
VCC - 1.6
V
1.2
V
Fundamental
25
50
7
MHz
Ω
pF
100
156.25
MHz
©2014Exar Corporation
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