VFXO311
XO Ultra Low Jitter 2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS / LVCMOS
Features
60MHz to 320MHz frequency range
Differential output levels (LVPECL/LVDS)
Single ended LVCMOS output available
<0.2ps RMS jitter over 12kHz to 20MHz
Selectable OE logic
RoHS Status
Applications
Optical Networking, SONET / SDH
10 Gigabit Ethernet
Broadband Access
Electrical Specifications
Parameter
Frequency
Range
Symbol
F
Condition
Min
60
60
60
Typ
Max
800
320
280
50
25
± 20
Unit
MHz
ppm
ppm/V
ppm
+70
+85
C
First Year
After first year
Order Code B
Order Code G
Order Code L
Order Code D
Order Code C
3.15
2.25
155.52 MHz
311.04 MHz
622.08 MHz
155.52MHz
311.04MHz
622.08MHz
155.52MHz
311.04MHz
622.08MHz
3.3
2.5
2.5
2.8
4
0.25
0.18
0.09
18
18
25
3.45
2.75
3
3.3
6
V
ps
Order Code E
Order Code G
Note
PECL
LVDS
CMOS
Order Code B
Order Code C
Order Code D
Vs. Operating temperature
Frequency
Stability
∆F/F
Vs. Supply voltage
Vs. Aging / Year
Operating
Temperature
Output
Supply
Voltage
Period RMS
Jitter
Integrated
RMS Jitter
12kHz to 20MHz
3
3
±1
0
-40
T
LVPECL
LVDS
LVCMOS
V
CC
ps
20
20
30
Period Jitter
Peak-to-Peak
ps
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD1013
Specifications are subject to change without notice
1
VFXO311
XO Ultra Low Jitter 2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS / LVCMOS
Electrical Specifications
Parameter
Supply
Current
Symbol
I
CC
Condition
38MHz – 100MHz
100MHz – 300MHz
300 – 640MHz
38MHz – 100MHz
100MHz – 320MHz
300 – 640MHz
At 100MHz, load = 15pF
Load
Output High
Voltage
Output Low
Voltage
Output
Differential
Voltage
Output Drive
Voltage
Offset
Voltage
Rise / Fall
Time
Duty Cycle
Tristate
V
OH
V
OL
V
OD
I
OSD
V
OS
T
R
/T
F
20% to 80%
V
OL
= 0.4V,
V
OH
= 2.4V
1.125
Min
Typ
Max
65
80
90
45
60
70
20
Unit
mA
mA
mA
Note
PECL
LVDS
CMOS
16
50 Ohms to V
DD
-2V (PECL)
100 Ohms (LVDS)
V
DD
-1.025
R
L
= 50 Ohms to (V
DD
-2V)
1.4
I
OH
= -8.5mA
2.4
0.9
I
OL
= -8.5mA
247
355
8.5
1.2
0.25
0.3
1.2
1.1
1.6
V
DD
-1.62
0.4
454
V
V
mV
mA
PECL
LVDS
CMOS
PECL
LVDS
CMOS
LVDS
CMOS
LVDS
PECL
LVDS
CMOS
PECL
LVDS
CMOS
1.375
0.45
0.7
1.6
V
ns
V
DD
– 1.3V
@ 1.25V
45
50
55
%
50% V
DD
“1”: Output Enable – Pin 2 may float 2.8V min (3.3V V
DD
) or 2.25V min (2.5V V
DD
)
“0”: Tristate – Pin 2 requires 0.4V max (3.3V or 2.5V V
DD
)
Phase Noise Performance
Parameter
Output
Type
PECL
LVDS
CMOS
Phase
Noise
(dBc/Hz
PECL
LVDS
CMOS
PECL
LVDS
Frequency
Range (MHz)
300 - 800
120 – 320
120 – 320
60 – 160
60 – 160
Carrier
Freq.
(MHz)
622.08
155.52
155.52
155.52
155.52
10Hz
-55
-50
-50
-65
-65
100Hz
-85
-82
-82
-95
-95
1kHz
-110
-110
-110
-122
-122
10
kHz
-130
-128
-128
-138
-138
100
kHz
-137
-142
-142
-142
-142
1
MHz
-148
-148
-148
-148
-148
10
MHz
-150
-150
-150
-149
-149
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD1013
Specifications are subject to change without notice
2
VFXO311
XO Ultra Low Jitter 2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS / LVCMOS
Absolute Maximum Ratings
Parameter
Lead
Temperature
Storage
Temperature
Junction
Temperature
ESD
Protection
Supply
Voltage
Output
Voltage
Symbol
Condition
Soldering, 10s max
T
S
T
J
Input static discharge
voltage protection
V
DD
Vo
V
DD
-0.5
-55
Min
Typ
Max
260
+125
+125°
2
4.6
V
DD
+0.5
Unit
C
C
°C
kV
V
V
Note
Environmental and Mechanical Conditions
Parameter
Shock
Humidity
Vibration
Leak
Case
Pads
Marking
Resistance to Solvents
Condition
1000 Gs, 0.35ms, ½ sine wave, 3 shocks in each plane
Resistant to 85% R.H. at 85C
10-2000 Hz of 0.06” d.a. or 20 Gs, whichever is less
MIL STD 883, Method 1014, Condition A and Condition C
Ceramic with hermetic resistance-welded metal lid
Solderable gold over nickel
Epoxy ink or laser engraved
MIL STD 202, Method 215
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD1013
Specifications are subject to change without notice
3
VFXO311
XO Ultra Low Jitter 2.5V, 3.3V
5x7mm SMD, LVPECL / LVDS / LVCMOS
Pin Assignments
LVPECL, LVDS
Pin #
1
2
3
4
5
6
LVCMOS
Pin #
1
2
3
4
Connection
N/C
Tristate
Case, GND
Output
Connection
N/C
Tristate
Case, GND
Output
Output
Supply Voltage
Package
5*
N/C
6
Supply Voltage
*For LVCMOS, Dual single ended
outputs available – consult factory
Marking Specification
Model Number
Part Code
VFXO311XX
100.000
YWWx
Date Code
Frequency
In MHz
Manufacturer’s Code
How to Order
VFXO311
—
Stability
Specification
50 ppm
25 ppm
20 ppm
Temperature Range
Code
Specification
B
0°C to 70°C
G
-40°C to 85°C
—
FREQUENCY, MHz
Code
B
C
D
Supply Voltage
Code
Specification
E
3.3V
G
2.5V
Code
L
D
C
Output
Output
LVPECL
LVDS
CMOS
Note: DG combination not available at all frequencies. Consult factory.
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD1013
Specifications are subject to change without notice
4
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