VF261-25MHz

VF261
XO Low Jitter
5x7mm SMD, PECL / LVPECL
Features
¾
¾
¾
25MHz to 320MHz Frequency Range
Tight duty cycle
<1ps jitter over 12KHz ~ 20MHz
RoHS Status
Applications
¾
¾
¾
Optical Networking, SONET / SDH
10 Gigabit Ethernet
Broadband Access
*Not recommended for new designs – see VFXO401*
Electrical Specifications
Parameter
Symbol
Frequency
Range
F
Frequency
Stability
Operating
Temperature
∆F/F
Condition
Min
Typ
15
Over all conditions of :Operating Temperature;
Supply Voltage; 10 Years
Aging; shock & vibration
0°
-40°
T
Max
Unit
300
MHz
± 20
± 25
± 50
± 100
ppm
+70°
+85°
°C
PECL
Output
Supply
Voltage
Vcc
PECL
LVPECL
Input Current
Icc
50 Ohm Load
4.75
3.15
5.00
3.30
Note
Order Code S
Order Code A
Order Code B
standard
LVPECL
5.25
3.45
V
60
mA
Standard
Order Code L
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • Datasheet RevC0608
1
VF261
XO Low Jitter
5x7mm SMD, PECL / LVPECL
Electrical Specifications
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Note
50 Ohm to Vcc-2V or Thevenin Equivalent Bias Required
Load
47.5
45
Duty Cycle
50
50
52.5
55
%
1.5
ns
Rise / Fall
Time
Tr/Tf
20% to 80%
Logic “1”
Level
Voh
Vcc = 5.0V
Vcc = 3.3V
4.04
2.59
4.19
2.74
V
Logic “0”
Level
Vol
Vcc = 5.0V
Vcc = 3.3V
3.15
1.45
3.25
1.55
V
10
ms
0.7
ps
2
Start up time
Jitter
12KHz~20MHz
1σ
Order Code HH
Standard
How to Order
VF261 —
Code
S
A
B
Stability
Specification
20 ppm
25 ppm
50 ppm
100ppm std.
—
Code
HH
Duty Cycle
Specification
±2.5%
±5% std.
—
FREQUENCY, MHz
Input Voltage
Code
Output
L
3.3V
5.0V
Temp. Range
Code
Specification
Code
Output
S
20 ppm
0~70°C
std.
A
25 ppm
1
-40~+85°C
B
50 ppm
100ppm
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • Datasheet RevC0608
2
VF261
XO Low Jitter
5x7mm SMD, PECL / LVPECL
Absolute Maximum Ratings
Parameter
Supply
Break Down
Voltage
Storage
Temperature
Junction
Temperature
Symbol
Condition
Min
Typ
Max
Unit
Vcc
-0.5
4.6
V
Ts
-55
+125°
°C
+125°
°C
Tj
Note
Environmental and Mechanical
Parameter
Mechanical Shock
Thermal Shock
Specification
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-883, Method 1011, Condition A
Vibration
Per MIL-STD-883, Method 2007, Condition A
Soldering Conditions
260°C for 10s max
Leak rate less than 5x10-8 atm.cc/s of helium
Hermetic Seal
Pin #
1
2
3
4
5
6
Connection
N/C
N/C
Case GND
Output
Output
Vcc
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • Datasheet RevC0608
3