X O
VFAC170
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com
58
VFAC170
ACMOS/TTL Compatible Crystal
Clock Oscillator
F E AT U R E S
Very Low Phase Jitter
Low Cost
Industrial Temperature Range
Wide Frequency Range
Tristate Output Standard
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
4.00
200
MHz
Frequency
F/F
Overall conditions
100
ppm
1
Stability
including:
calibration, temp.,
aging 10 yrs,
shock, vibration
Input Voltage
Vcc
4.75
5.00
5.25
V
Std.
3.15
3.30
3.45
LV Opt.
Input Current
Icc
F = 100MHz,
50
mA
2
15pF load, Vcc = 5V
Load
Duty Cycle
@1.4V
40
50
60
%
3
Rise/Fall Time
Tr/Tf
50 Ohm/15pF
1
3
ns
Logic "1" Level
Voh
MAX Load
0.9Vcc
Logic "0" Level
Vol
MAX Load
0.1Vcc
Startup Time
Ts
2
10
ms
Phase Jitter
1
1
ps
fj>1KHz
Tristate Function
Enable/ Te/Td
100
ns
Disable Time
Operating
Temperature Range
0C to +70C (40C to +85C, 55C to +125C available)
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.
Hermetic Seal
Leak rate less than 5 x 10
8
atm.cc/s of helium
Pin Out
Pin #1Tristate Control
Pin #7Ground, Case
Pin #8Output
Pin #14Vcc
10 TTL gates or 50pF MAX, AC coupled 50 Ohm termination recommended
Absolute
Max. Ratings
Electrical
Environmental and Mechanical
Electrical
Connections
Notes:
1. Standard frequency stability (20, 25, 50, others available).
2. Current is load and frequency dependent.
3. 5%, and 2.5% symmetry available.
All specifications are subject to change without notice.
Input HIGH (>2.5V) or floating:
ACTIVE
Input LOW (<0.5V):
INFINITE IMPEDANCE
0.800"
(20,32mm)
0.300"
(7,62mm)
#1
#7
#8
#14
0.600"
(15,24mm)
#7
#8
GLASS STANDOFFS
0.497"
(12,62mm)
0.187"
(4,75mm)
VALPEYFISHER
VFAC170
125.000MHZ
BO1H
0.0180"
0.002"
(0,460mm
0,051mm)
0.250"
(6,35mm)
Creating a Part Number
VFAC170
INPUT VOLTAGE
Code
Specification
L 3.3
Volt
5.0
Volt
(std.)
OPERATIONAL TEMP. RANGE
Code
Specification
0
C to +70
C (std.)
1 -40
C to +85
C
2 -55
C to +125
C*
*Not always available
FREQUENCY STABILITY
Code
Specification
S
20 ppm
A
25 ppm
B
50 ppm
100
ppm (std.)
C
500
ppm
DUTY CYCLE
Code
Specification
HH
2.5%
H
5%
10% (std.)
FREQ.
Example: VFAC170SHH-1-125MHz: Frequency Stability
20ppm, Duty
Cycle
2.5%, Input Voltage 5.0 Volt
5%, Operating Temperature -40
C
to +85
C, Output Tristate, Lead Configuration Straight, Frequency
125.000MHz.
LEAD CONFIGURATION
Code
Specification
Through Hole (std.)
G Gull
Wing
All dimensions are typical unless otherwise specified.
PDF 
ZIP