VF540
9x14mm SMD, HCMOS/TTL
XO 3.3V, 5.0V
DESIGN FEATURES
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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
Condition
Min
1.5
Typ
Max
130
20
25
50
100
500
0
-40
-55
HCMOS / TTL
10 TTL gates or 50pF max.
V
CC
I
CC
15pF load, 50MHz
@1.4V
T
R
/T
F
V
OH
V
OL
T
S
1
0.4V to 2.4V
20% to 80%
Max Load
Max Load
2
0.9V
CC
0.1V
CC
10
1
40
50
4.75
3.15
5.00
3.30
5.25
3.45
40
60
1.5
4.0
V
mA
%
ns
V
V
ms
ps
fj>1kHz
See “How to Order”
chart
Load & Frequency
dependent
5%, 2.5% available
+70
+85
+125
Unit
MHz
Note
Frequency Stability
∆F/F
Overall conditions of :
calibration, temp., 10
years aging, shock,
vibration
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
C
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • frequencysales@ctscorp.com
Specifications are subject to change without notice.
RevC0814
1
Tristate Function
Parameter
Enable/Disable Time
Tristate Function
Symbol
T
E
/T
D
Condition
Min
Typ
Max
Unit
Note
100
ns
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
Absolute Maximum Ratings
Parameter
Supply Voltage
Storage Temperature
Symbol
V
CC
Ts
Condition
Min
-0.5
-55
Typ
Max
7.0
+125
Unit
V
C
Note
Environmental and Mechanical Conditions
Parameter
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Hermetic Seal
Condition
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
230C for 90s max.
Leak rate less than 5x10
-8
atm.cc/s of helium
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • thermalsales@ctscorp.com
Specifications are subject to change without notice.
2
RevC0814
Pin Connections
Package Dimensions
Pin #
Connection
1
2
3
4
Tristate Control
Case/GND
Output
V
CC
ORDERING INFORMATION
VF540
XXX
X
XXXX.XXXXMHz
FREQUENCY, MHz
Stability
Series
Code
Specification
S
A
B
D
20 ppm
25 ppm
50 ppm
100
ppm (std.)
500 ppm
Duty Cycle
Code
Specification
HH
H
2.5%
5%
10%
(std.)
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
North America: +1-800-982-5737 • International: +1-508-435-6831 • Asia: +65-655-17551 • frequencysales@ctscorp.com
Specifications are subject to change without notice.
RevC0814
3
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