VFAC570
HCMOS/TTL Compatible
Surface Mount Clock Oscillators
Features
•
•
•
•
•
•
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
Parameter
Input Break
Down Voltage
Storage Temp.
Frequency
Range
Frequency
Stability
Symb
Vcc
Ts
F
∆F/F
Condition
Min
–0.5
–55
4.0
Typ
Max
7
+125
160
±100
Unit
V
°C
MHz
ppm
Note
Overall conditions
including:
calibration, temp.,
aging 10 yrs,
shock, vibration
4.75
3.15
F = 100MHz
15pF Load
5.00
3.30
1
Input Voltage
Electrical
Input Current
Load
Duty Cycle
Rise/Fall Time
Logic “1” Level
Logic “0” Level
Start–up Time
Phase Jitter
All dimensions are typical unless otherwise specified.
Tristate Function
Enable/
Disable Time
Operating
Temperature
Range
Mechanical
Shock
Thermal Shock
Vibration
Soldering
Conditions
Hermetic Seal
Pin Out
Vcc
Icc
5.25
3.45
50
V
mA
Std LV
Opt.
2
10 TTL gates or 50pF MAX, AC coupled 50 Ohm termination recommended
@1.4V
40
50
60 %
@50%Vcc
40
50
60 %
Tr/Tf
Voh
Vol
Ts
1ơ
Input HIGH (>2.5v) or floating: ACTIVE
Input LOW (<0.5v): INFINITE IMPEDANCE
Ts
0.4V to 2.4V
20% to 80%
Max Load
Max Load
2
0.9Vcc
0.1Vcc
10
1
1.5
ns
V
V
ms
ps
3
fj>1KHz
100
ns
Environmental
and Mechanical
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
Per MIL-STD-883, Method 2007, Cond. A
260ºC for 10s, Max.
Leak rates less than 5 x 10
-8
atm.cc/s of helium
Pi#1-Tristate Control
Pin #3-Output
Pin #2-Ground Case
Pin #4-Vcc
Electrical
Connections
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
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