75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevJ0311
1
VFAC3
Surface Mount Clock Oscillator
ACMOS / LSTTL Compatible
Parameter Symbol Condition Min Typ Max Unit Note
Input Break
Down Voltage Vcc -0.5 7.0 V
Storage Temp. Ts -55 +125 °C
Frequency
Range F
20
20
20
165
200
125
MHz
5V
3.3V, 2.5V,
1.8V
Frequency
Stability F/F
Overall conditions including:
calibration, temp., aging 10
yrs, shock, vibration
20 ±100 ppm
See “How to
Order” table
Input Voltage Vcc
4.75
3.15
2.38
1.71
5.00
3.30
2.50
1.80
5.25
3.45
2.63
1.89
V See “How to
Order” table
Input Current Icc F= 100MHz 15pF load 70 mA
Load 5 LSTTL loads or 15pF
Duty Cycle @1.4V
@50% Vcc
40
40
50
50
60
60 % 5% and 2.5%
options available
Rise / Fall Time Tr/Tf 0.4V to 2.4V 20% to 80% 1.5 ns
Logic “1” Level Voh Max Load 0.9Vcc V
Logic “0” Level Vol Max Load 0.1Vcc V
Start-up Time Ts 15 ms
Phase Jitter fj 12KHz to 20MHz 1 ps RMS
Tristate
Function Input HIGH (>0.8Vcc) or floating: Active; Input LOW (0.5V): Infinite Impedance
Enable/ Disable
Time 100 ns
Features
ACMOS – TTL Compatible
Very Low Phase Jitter
Wide Frequency Range
Miniature Ceramic Package
EMI Shielded
Tight Duty Cycle Available
Wide Temperature Range Available
5.0V, 3.3V, 2.5V, and 1.8V Available
Tristate control standard
RoHS Status
Electrical Specifications
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevJ0311
2
VFAC3
Surface Mount Clock Oscillator
ACMOS / LSTTL Compatible
.
VFAC3 FREQ.
Parameter Condition
Operating Temperature Range 0°C to +70°C or -40°C to +85°C available
Mechanical Shock Per MIL-STD-202, Method 213, Cond. E
Thermal Shock Per MIL-STD-883, Method 1011, Cond. A
Vibration Per MIL-STD-883, Method 2007, Cond. A
Soldering Conditions 260°C for 10s Max., or 230°C for 90s
Hermetic Seal Leak rate less than 5 x 10-8 atm.cc/s of helium
Pin # Connection
Pin 1 Tristate Control
Pin 2 Ground
Pin 3 Output
Pin 4 Vcc
Environmental and Mechanical Conditions
How to Order
Frequency Stability
Code Specification
S
20 ppm
A
25 ppm
B
50 ppm
100 ppm
Duty Cycle
Code Specification
HH
2.5%
H
5%
10%
Operating Temp. Range
Code Specification
0C to 70C
1 -40C to +85C
Input Voltage
Code Specification
J 1.8V
C 2.5V
L 3.3V
5.0V