VF3
X O
VF3
VF3 Series Miniature Ceramic
SMD Tristate Oscillator
HCMOS–TTL Compatible
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
Input Break
Down Voltage
Vcc
–0.5
7.0
V
• Miniature Ceramic Package
• Wide Frequency Range
Storage Temp.
Ts
F
–55
1.8
+125
160
°C
• Industrial Temperature Available
Frequency
MHz
Range
Frequency
Stability
∆F/ F
Overall
–100
3.15
100
ppm
1
Input Voltage
Vcc
Icc
3.3
3.45
V
0.295"
(7,49mm)
Input Current
15pF load
10
15
18
28
mA
to 25MHz
to 50MHz
to 67MHz
to 125MHz
0.197"
(5,00mm)
10 LS-TTL gates or 15pF typical
Load
Duty Cycle
@50%Vcc
45
40
50
50
55
60
%
to 50MHz
Rise/ Fall Time
Logic “1” Level
Logic “0” Level
Tr/ Tf
Voh
Vol
10% to 90%
5
10
ns
V
V
Loaded, overall .9Vcc
Loaded, overall
0.079"
.1Vcc
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
Enable Input
Disable Input
0.055"
#1
#4
#2
(1,39mm)
Start–up Time
Ts
3
10
ms
0.102"
(2,59mm)
Operating
Temperature Range
–10°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; 230°C, for 90s, Max.
Leak rate less than 5 x 10–8 atm.cc/ s of helium
#3
0.200"
(5,07mm)
Mechanical Shock
Thermal Shock
Vibration
All dimensions are typical unless otherwise specified.
Soldering Conditions
Hermetic Seal
Pin Out
Pin #1–Tristate Control
Pin #3–Output
Pin #2–Case, GND
Pin #4–Vcc
Creating a Part Number
Note: Please consult factory for available stabilities for your selected frequency requirements.
All specifications are subject to change without notice.
FREQ.
VF3
OPERATIONAL TEMP. RANGE
FREQUENCY STABILITY
Code
1
Specification
−10°C to +70°C
-40°C to +85°C*
Code
Specification
S
A
B
±20
±25
±50
ppm
ppm
ppm
±100 ppm (std.)
SYMMETRY
Code
H
Specification
±5.0%
±10.0%
Example: VF3SH-1-50.0MHz: Frequency Stability ±20ppm, Symmetry ±5%,
Operating Temperature -40°C to +85°C, Frequency 50MHz.
74
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com