75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com
VF266
X O
VF266
LVPECL Compatible
With Standby Function
Crystal Clock Oscillator
F E AT U R E S
Wide Frequency Range
EMI Shielded
Tight Duty Cycle Available
Industrial Temperature Range
(40C to +85C) Available
Miniature Ceramic Package
Industry Standard Footprint
Complementary Output
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
Input Break
Vcc
0.5
7.0
V
Down Voltage
Storage Temp.
Ts
55
+125
C
Frequency F 75 250* MHz
Range
Frequency
F/F
Overall
-100
100
ppm
1
Stability
Input Voltage
Vcc
3.15
3.30
3.45
V
Input Current
Icc
Loaded
55
88
mA
Output Load
RL
Terminated to
Vcc-2V
Duty Cycle @ 50% Vcc 40 50 60 % std.
Rise/Fall Time
Tr/Tf
20% to 80%
0.5
1.0
ns
Logic "1" Level
Voh
@Vcc = 3.3V
2.275
2.350
2.420
V
Logic "0" Level
Vol
@Vcc = 3.3V
1.490
1.600
1.680
V
Output enable OE Ta=25C 200 ns
time
Vcc-2V to 50
Standby function Outputs High 0.3Vcc V Pin #1
impedance
Phase Jitter
1
1
ps
fj>1KHz
Operating
Temperature Range 0C to +70C (40C to +85C *consult VF for availability)
Mechanical Shock
Per MILSTD202, Method 213, Cond. E
Thermal Shock
Per MILSTD883, Method 1011, Cond. A
Vibration
Per MILSTD883, Method 2007, Cond. A
Soldering Conditions
260C, for 10s, Max or 230C, for 90s, Max.
Hermetic Seal
Leak rate less than 5 x 10
8
atm.cc/s of helium
Pin Out Pin #1OE Pin #4Output true
Pin #2NC Pin#5Output Complementery
Pin #3--gnd Pin#6--Vcc
50 Ohm
Absolute
Max. Ratings
Electrical
Environmental and Mechanical
Electrical
Connections
Creating a Part Number
VF26
6
FREQUENCY STABILITY
Code
Specification
B 50
ppm
100
ppm (std.)
OPERATIONAL TEMP. RANGE
Code
Specification
0 C to +70 C (std.)
1 -40 C to +85 C *
Symmetry
Code
Specification
H 5.0%
10%
(std.)
FREQ.
Example: VF266BH-1-155.52MHz: Frequency Stability
50ppm, Symmetry 5.0%, Operating Temperature -40 C to
+85 C, Frequency 155.52 MHz.
0.276"
(7,0mm)
VF266
155.520MHz
BO1H
1
2
3
6
5
4
0.197"
(5,0mm)
0.200"
(5,08mm)
0.060"
(1.50mm)
0.055"
(1,4mm)
0.100"
(2,54mm)
0.050"
(1,27mm)
Notes: 1. Tighter frequency stability available.
When OE goes LOW, the oscillator stops and the output pins become high impedance.
All specifications are subject to change without notice.
All dimensions are typical unless otherwise specified.
Oct. 3,2003
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