VF540
XO
3.3V, 5.0V
9x14mm SMD, HCMOS/TTL
Features
Very Low Phase Jitter at all Frequencies
Extended Temperature available
Tight Duty Cycle available
Tristate Control Standard
EMI Shielded
RoHS Status
Electrical Specifications
Parameter
Frequency
Range
Symbol
F
Overall conditions of :
calibration, temp., 10
years aging, shock,
vibration
Condition
Min
1.5
Typ
Max
130
±
20
±
25
±
50
±
100
±
500
+70
+85
+125
Unit
MHz
Note
Frequency
Stability
∆F/F
ppm
See “How to
Order” chart
Operating
Temperature
Output
Load
Supply
Voltage
Supply
Current
Duty Cycle
Rise / Fall
Time
Logic “1”
Level
Logic “0”
Level
Start-up
Time
Phase Jitter
T
0
-40
-55
HCMOS / TTL
10 TTL gates or 50pF max.
4.75
3.15
15pF load, 50MHz
@1.4V
40
50
5.00
3.30
°C
Vcc
Icc
5.25
3.45
40
60
1.5
4.0
V
mA
%
ns
V
See “How to
Order” chart
Load &
Frequency
dependent
5%, 2.5%
available
Tr/Tf
V
OH
V
OL
Ts
0.4V to 2.4V
20% to 80%
Max Load
Max Load
2
1σ
0.9Vcc
0.1Vcc
10
1
V
ms
ps
fj>1KHz
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevB_0707
1
VF540
XO
3.3V, 5.0V
9x14mm SMD, HCMOS/TTL
Tristate Function
Parameter
Enable
/Disable Time
Tristate
Function
Symbol
Te/Td
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
Condition
Min
Typ
Max
100
Unit
ns
Note
Absolute Maximum Ratings
Parameter
Supply
Break Down
Voltage
Storage
Temperature
Symbol
Vcc
Ts
Condition
Min
-0.5
-55
Typ
Max
7.0
+125°
Unit
V
°C
Note
Environmental and Mechanical
Parameter
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Hermetic Seal
Specification
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-883, Method 1011, Condition A
Per MIL-STD-883, Method 2007, Condition A
260°C for 10s max.
230°C for 90s max.
Leak rate less than 5x10
-8
atm.cc/s of helium
How to Order
VF540
—
Stability
Code
Specification
S
±
20 ppm
A
±
25 ppm
B
±
50 ppm
±100
ppm (std.)
D
±
500 ppm
Duty Cycle
Code
Specification
HH
±2.5%
H
±5%
±10%
(std.)
—
—
FREQUENCY, MHz
Supply Voltage
Code
Output
L
3.3V
5.0V (std.)
Temp. Range
Code
Specification
0°C to +70°C std.
1
-40°C to +85°C
2
-55°C to +125°C*
*Not always available
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevB_0707
2
VF540
XO
3.3V, 5.0V
9x14mm SMD, HCMOS/TTL
Package Dimensions and Pin Connections
Pin #
1
2
3
4
Connection
Tristate Control
Case/GND
Output
Vcc
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevB_0707
3
