VFAC3
X O
VFAC3
ACMOS/LSTTL Compatible
Surface Mount Clock Oscillators
FEATURES
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
• Very Low Phase Jitter
Input Break
Down Voltage
Vcc
–0.5
7.0
V
• Wide Frequency Range
• Miniature Ceramic Package
• EMI Shielded
Storage Temp.
Ts
F
–55
80
+125
160
°C
Frequency
Range
MHz
• Tight Duty Cycle Available
• Wide Temperature Range Available
• Tristate Control Standard
Frequency
Stability
∆F/F
Overall conditions
including:
100
ppm
1
calibration, temp.,
aging 10 yrs,
shock, vibration
Input Voltage
Input Current
Vcc
Icc
4.75
3.15
5.00
3.30
5.25
3.45
V
Std.
LV Opt.
0.303"
(7,7mm)
F = 100MHz
15pF load
70
mA
2
VFAC3
0.206"
10 LSTTL gates or 30pF Typ, 50pF Max.,
Load
5
3
125.000MHz
BO1H
(5,2mm)
Duty Cycle
@1.4V
40
40
50
50
60
60
%
%
@ 50%Vcc
Rise/Fall Time
Tr/Tf
0.4V to 2.4V
20% to 80%
1.5
ns
0.090"
(2,29mm)
Logic “1” Level
Logic “0” Level
Start–up Time
Phase Jitter
Voh
Vol
Ts
Max Load
Max Load
0.9Vcc
V
V
0.045"
(1,143mm)
0.1Vcc
15
ms
ps
1
4
2
3
1σ
1
fj>1KHz
4
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
0.050"
Tristate Function
(1,27mm)
Enable/
Disable Time
100
ns
0.200"
(5,08mm)
Operating
Temperature Range
0°C to +70°C (–40°C to +85°C 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
260°C, for 10s, Max. or 230°C, for 90 sec
All dimensions are typical unless otherwise specified.
Mechanical Shock
Thermal Shock
Vibration
Creating a Part Number
FREQ.
Soldering Conditions
Hermetic Seal
Pin Out
VFAC3
–8
Leak rate less than 5 x 10 atm.cc/s of helium
OPERATIONAL TEMP. RANGE
FREQUENCY STABILITY
Code
1
Specification
0°C to +70°C (std.)
-40°C to +85°C
Code
Specification
Pin #1–Tristate Control
Pin #2–Ground, Case
Pin #3–Output
Pin #4–Vcc
S
A
B
±20
±25
±50
ppm
ppm
ppm
±100 ppm (std.)
INPUT VOLTAGE
Notes:
Code
L
Specification
3.3 Volt ±5%
5.0 Volt ±5% (std.)
DUTY CYCLE
1. Standard frequency stability ( 20, 25, 50, others available).
2. Current is load and frequency dependent.
3. Tighter duty cycle available.
Code
HH
Specification
±2.5%
H
±5%
4. Some versions enable time10ns.
5. 50pF Max drive available, frequency an Vcc dependant
±10%
Example: VFAC3H-L-125MHz: Frequency Stability ±100ppm,
Duty Cycle ±5.0%, Input Voltage 3.3 Volt ±5%, Operating
Temperature 0°C to +70°C, Frequency 125.000MHz.
All specifications are subject to change without notice.
OIO/C05
09/02
72
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com