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