VF8 1
X O
VF81
10KH PECL/LVPECL Compatible
Half Size DIP Clock Oscillator
F E AT U R E S
Pa ra m e te r
Sy m b
Co n d itio n
Min
Ty p
Ma x
Un it
N o te
• Low Cost
Input Break
Vcc
–0.5
7.0
V
PECL
Down Voltage
• Industrial Temperature Range
• In–house “Inverted Mesa”
Crystal Technology for Higher
Frequencies
Storage Temp.
Ts
F
–40
10
+85
300
°C
Frequency
Range
MHz
Frequency
Stability
∆F/ F Overall conditions
including:
±100
ppm
1
• Wide Frequency Range
• Very Low Phase Jitter
calibration, temp.,
aging 10 yrs,
shock, vibration
Input Voltage
Vcc
Vcc
PECL
LVPECL
4.75
3.15
5.00
3.30
5.25
3.45
V
Std.
LV Opt.
VF81
106.25MHZ
BO1H
Input Current
Load
Icc/ Iee
Max Load
80
mA
50 Ohm to Vcc –2V or Thevenin Equiv. Bias required
Duty Cycle
@50% output
swing
45
50
55
%
0.238"
(6,05mm)
Rise/ Fall Time
Logic “1” Level
Tr/ Tf
Voh
20% to 80%
1.5
ns
V
@Vcc = 5.0V
@Vcc = 3.3V
4.04
2.59
4.19
2.74
PECL
LVPECL
.160" MIN
(4,06mm)
Logic “0” Level
Vol
Ts
@Vcc = 5.0V
@Vcc = 3.3V
3.15
1.45
3.25
1.55
V
PECL
LVPECL
GLASS STANDOFFS
ø0.0180" ± 0.002"
(4,57mm ± 0,051mm)
Start–up Time
Phase Jitter
2
10
1
ms
ps
1σ
fj>1KHz
0.495" MAX
(12,6mm)
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.
#1
#8
#4
Mechanical Shock
Thermal Shock
Vibration
0.495" MAX
(12,6mm)
0.300"
(7,6mm)
#5
Soldering Conditions
Hermetic Seal
Pin Out
Leak rate less than 5 x 10–8 atm.cc/ s of helium
0.300"
(7,6mm)
Pin #1–Complementary Output
Pin #5–Output
Pin #4–Ground, Case
Pin #8–Vcc
All dimensions are typical unless otherwise specified.
Note: Standard frequency stability (±20, ±25, ±50, others available).
All specifications are subject to change without notice.
Creating a Part Number
FREQ.
VF81
LEAD CONFIGURATION
FREQUENCY STABILITY
Code
GR
Specification
Gull Wing
Code
Specification
8
5
4
1
S
A
B
±20
±25
±50
ppm
ppm
ppm
G
Gull Wing
8
5
4
1
Through Hole (std.)
±100 ppm (std.)
±500 ppm
C
OPERATIONAL TEMP. RANGE
Code
1
Specification
0°C to +70°C (std.)
-40°C to +85°C
DUTY CYCLE
Code
HH
Specification
±2.5%
±5% (std.)
INPUT VOLTAGE
Code
L
Specification
3.3 Volt ±5%
5.0 Volt ±5% (std.)
Example: VF81L-GR-155.520: Frequency Stability ±100ppm, Duty Cycle ±5.0%,
Input Voltage 3.3 Volt ±5%, Operating Temperature 0°C to +70°C, Gull Wing,
Frequency 155.520MHz.
62
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com