V C X O
VF394
VF394 Series
HCMOS/TTL Compatible
Hybrid VCXO
4 Pin Plastic J–Lead
F E AT U R E S
Parameter
Absolute
Max. Ratings
Symb
Vcc
Ts
Vc
F
∆F/F
Vcc
Condition
Min
–0.5
–55
–1
1.5
Typ
Max
7.0
+125
9
30
±25
Unit
V
°C
V
MHz
ppm
V
Note
Low Cost
•
HCMOS/TTL Output
•
Tape and Reel
•
Input Break
Down Voltage
Storage Temp.
Control Voltage
Frequency
Frequency
Stability
vs. Temp., Vcc,
4.75
5.00
#4
0.386" MAX
(9,80mm)
#3
Input Voltage
Load
Duty Cycle
Electrical
5.25
VF394
25.000MHZ
BO1H
#1
#2
2 TTL or 15pF
@50%
Tr/Tf
Voh
Vol
Ts
fm
Vc
@2.5V
0.5
Overall, includes
stability over
temp., aging
5 yrs., etc.
±50
10
4.5
10% – 90%
Ioh = –0.8mA
Iol = +1.6mA
4.0
0.4
4
40
50
60
8
%
ns
V
V
ms
KHz
V
ppm
@–3dB
Rise/Fall Time
Logic “1” Level
Logic “0” Level
Start–up Time
0.560" MAX
(14,22mm)
0.060"
(1,52mm)
0.160" TYP
(4,064mm)
0.020" TYP
(0,51mm)
0.200"
(5,08mm)
0.189" MAX
(4,80mm)
Modulation
Bandwidth
Control Voltage
Absolute Pull
Range
(guaranteed
capture range)
Operating
Temperature Range
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Electrical
Connections
0.015" MIN
(0,38mm)
Environmental
and Mechanical
–20°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
230°C, for 90s, Max.
Pin #1–Voltage Control
Pin #2–Ground
Pin #3–Output
Pin #4–Vcc
#1
#2
0.300" (7,62mm)
Mounting Center
#4
#3
Pin Out
All dimensions are typical unless otherwise specified.
All specifications are subject to change without notice.
Creating a Part Number
VF394
DUTY CYCLE
Code
H
FREQ.
Specification
±5%
±10%
(std.)
OPERATIONAL TEMP. RANGE
Code
1
Specification
-20°C to +70°C (std.)
-40°C to +85°C
Example: VF394H-1-19.44MHz: Frequency Stability
±25ppm,
Duty Cycle
±5.0%,
Input Voltage 5.0 Volt
±5%,
Operating
Temperature -40°C to +85°C, Output Frequency 25MHz.
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
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