VFXO401
XO
2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS
Features
10MHz to 320MHz frequency range
2.5V, 3.3V supply voltage
Tight duty cycle
<1 ps RMS jitter over 12kHz ~ 20MHz
(frequency dependent)
RoHS Status
Applications
Optical Networking, SONET / SDH
10 Gigabit Ethernet
Broadband Access
Electrical Specifications
Parameter
Frequency
Range
Frequency
Stability
Symbol
F
Condition
LVPECL Output Logic
LVDS Output Logic
Over all conditions of :-
Operating Temperature;
Supply Voltage; 10 Years
Aging; shock & vibration
0
-40
Min
10
80
Typ
Max
320
300
100
50
25
20
+70
+85
LVPECL
LVDS
V
CC
I
CC
LVPECL
LVDS
3.15
2.38
3.30
2.50
58
45
3.45
2.63
88
66
V
mA
LVPECL
LVDS
50
50
55
52.5
%
Order Code B
Order Code C
Unit
MHz
Order Code A
Order Code B
Order Code C
Order Code D
Order Code B
Order Code G
Order Code L
Order Code D
Order Code G
Order Code E
Note
∆F/F
ppm
Operating
Temperature
Output
Supply
Voltage
Input Current
T
C
Output Load
50 Ohms to V
CC
-2V or Thevenin Equivalent Bias Required
100 Ohms (1.2V offset typical)
Duty Cycle
45
47.5
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.ctsvalpey.com • RevK0812
Specifications are subject to change without notice
1
VFXO401
XO
2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS
Electrical Specifications
Parameter
Rise / Fall
Time
HIGH Level
Output
Voltage
Symbol
Tr/Tf
Condition
20% to 80%
3.3V LVPECL
V
OH
2.5V LVPECL
LVDS
3.3V LVPECL
LOW Level
Output
Voltage
Enable
Function “1”
Disable
Function “0”
Start Up Time
RMS Jitter
12kHz~20MHz
1
V
OL
2.5V LVPECL
LVDS
V
IH
V
IL
2.275
2.215
1.475
1.415
-
1.49
1.47
0.69
0.67
0.90
0.7V
CC
-
2
Min
Typ
0.5
2.350
2.295
1.550
1.495
1.43
1.600
1.605
0.800
0.805
1.10
Max
0.8
2.42
2.42
1.76
1.62
1.60
1.680
1.745
1.095
1.195
-
-
0.3V
CC
10
0.7
Unit
ns
V
V
V
V
V
V
V
V
ms
ps
@ 156.25MHz
0C to +85C
-40C to 0C
0C to +85C
-40C to 0C
0C to +85C
-40C to 0C
0C to +85C
-40C to 0C
Note
Absolute Maximum Ratings
Parameter
Supply
Break Down
Voltage
Storage
Temperature
Junction
Temperature
Symbol
V
CC
T
S
T
J
Condition
Min
-0.5
-55
Typ
Max
4.6
+125
+125°
Unit
V
C
°C
Note
Environmental and Mechanical Conditions
Parameter
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Hermetic Seal
Terminal Finish
Marking
Conditions
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-883, Method 1011, Condition A
Per MIL-STD-883, Method 2007, Condition A
260C for 10s max
Leak rate less than 5x10
-8
atm.cc/s of helium
Gold (Au) 0.30 - 1.00 um
Nickel (Ni) 1.3 - 8.9 um
Epoxy ink or laser engraved
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.ctsvalpey.com • RevK0812
Specifications are subject to change without notice
2
VFXO401
XO
2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS
Pin Assignments
Pin #
1
2
3
4
5
6
Connection
N/C or Tristate
N/C
Case GND
Output
Output
V
CC
Mechanical Outline
Marking Specification
Model Number
VFXO401
40.000
YWWx
Date Code
Frequency
In MHz
Manufacturer’s Code
How to Order
VFXO401
—
—
FREQUENCY, MHz
Code
A
B
C
D
Stability
Specification
100 ppm
50 ppm
25 ppm
20 ppm
Temp. Range
Code
Specification
B
0~70°C std.
G
-40~+85°C
Supply Voltage
Code
Specification
E
2.5V
G
3.3V
Output Logic
Code
Output
L
LVPECL
D
LVDS
Duty Cycle
Specification
45 / 55
47.5 / 52.5
Code
T
N
Tristate
Specification
Tristate
Non-Tristate
Code
B
C
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.ctsvalpey.com • RevK0812
Specifications are subject to change without notice
3
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