Data Sheet

VFAC570
HCMOS/TTL Compatible
Surface Mount Clock Oscillators
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•
•
•
•
Electrical
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Wide Frequency Range
Very Low Phase Jitter
EMI Shielded
Tight Duty Cycle Available
Wide Temperature Range
(-55 ºC to ± 125 ºC) Available
Tristate Control Standard
Absolute
Max. Ratings
Features
Electrical
Connections
Environmental
and Mechanical
All dimensions are typical unless otherwise specified.
Parameter
Input Break
Down Voltage
Storage Temp.
Frequency
Range
Symb
Condition
Min
Typ
Max
Unit
Vcc
–0.5
7
Ts
–55
+125
F
4.0
160
MHz
±100
ppm
Note
V
°C
Frequency
Stability
∆F/F
Input Voltage
Vcc
Input Current
Icc
Load
Duty Cycle
10 TTL gates or 50pF MAX, AC coupled 50 Ohm termination recommended
@1.4V
40
50
60 %
@50%Vcc
40
50
60 %
Rise/Fall Time
Tr/Tf
Logic “1” Level
Voh
Max Load
Logic “0” Level
Vol
Max Load
Start–up Time
Ts
Phase Jitter
1ơ
Input HIGH (>2.5v) or floating: ACTIVE
Input LOW (<0.5v): INFINITE IMPEDANCE
Tristate Function
Enable/
Disable Time
Operating
Temperature
Range
Mechanical
Shock
Thermal Shock
Overall conditions
including:
calibration, temp.,
aging 10 yrs,
shock, vibration
4.75
3.15
5.00
3.30
F = 100MHz
15pF Load
5.25
3.45
50
0.4V to 2.4V
20% to 80%
1.5
0.9Vcc
V
Std LV
Opt.
mA
2
ns
0.1Vcc
V
10
ms
1
ps
100
ns
fj>1KHz
0ºC to +70ºC (-40ºC to +85ºC, and -55ºC to +125ºC available)
Per MIL-STD-202, Method 213, Cond. E
Per MIL-STD-883, Method 1011, Cond. A
Vibration
Soldering
Conditions
Hermetic Seal
260ºC for 10s, Max.
Pin Out
Pi#1-Tristate Control
Pin #3-Output
Per MIL-STD-883, Method 2007, Cond. A
Leak rates less than 5 x 10-8 atm.cc/s of helium
Pin #2-Ground Case
Pin #4-Vcc
Notes:
1. Up to ±20ppm available.
2. Current is load and frequency dependent.
3. Standard symmetry, tighter available.
All specifications are subject to change without notice.
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
1
3
V
2
Ts
1
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