VF140
X O
VF140
HCMOS/TTL Compatible
Clock Oscillators
Absolute
Max. Ratings
F E AT U R E S
Parameter
Input Break
Down Voltage
Storage Temp.
Frequency
Range
Frequency
Stability
Symb
Vcc
Ts
F
∆F/F
Condition
Min
–0.5
–55
0.2
Typ
Max
7.0
+125
130
±100
Unit
V
°C
MHz
ppm
Note
Tristate Output Available
•
Low Cost
•
Industrial and Military
Temperature Available
•
Wide Frequency Range
•
Very Low Phase Jitter
•
Overall conditions
including:
calibration, temp.,
aging 10 yrs,
shock, vibration
4.75
3.15
F = 50MHz
15pF, load Vcc 5V
5.00
3.30
1
Input Voltage
Input Current
Load
Duty Cycle
0.800"
(20,32mm)
Vcc
Icc
5.25
3.45
40
V
mA
Std.
LV Opt.
2
0.497"
(12,62mm)
VF140
1.8432MHZ
BO1H
Electrical
10 TTL gates or 50pF Max.
@1.4V
Tr/Tf
Voh
Vol
Ts
1σ
Input HIGH (>2.5V) or floating:
Input LOW (<0.5V):
0.4V to 2.4V
20% to 80%
Max Load
Max Load
2
0.9Vcc
0.1Vcc
10
1
40
50
60
1.5
4.0
%
ns
V
V
ms
ps
fj>1KHz
3
Rise/Fall Time
Logic “1” Level
Logic “0” Level
Start–up Time
0.254"
(6,45mm)
ø0.0180"
±
0.002"
(0,460mm
±
0,051mm)
GLASS STANDOFFS
#1
0.300"
(7,62mm)
#7
0.250"
(6,35mm)
Phase Jitter
Tristate
Function
Enable Time
Operating
Temperature Range
Environmental
and Mechanical
ACTIVE
INFINITE IMPEDANCE
100
ns
0°C to +70°C (–40°C to +85°C, –55°C to +125°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.
Leak rate less than 5 x 10
–8
atm.cc/s of helium
Pin #1–Tristate Control or N/C
Pin #3–Output
Pin #2–Ground, Case
Pin #4–Vcc
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Hermetic Seal
#14
0.600"
(15,24mm)
#8
All dimensions are typical unless otherwise specified.
Electrical
Connections
Pin Out
Creating a Part Number
VF140
FREQUENCY STABILITY
Code
S
A
B
C
FREQ.
LEAD CONFIGURATION
Code
G
Specification
±20
±25
±50
±100
±500
ppm
ppm
ppm
ppm (std.)
ppm
Specification
Gull Wing
Through hole
Notes:
1. Standard frequency stability (±20, ±25, ±50, others available).
2. Current is load and frequency dependent.
3. Tighter duty cycles available.
All specifications are subject to change without notice.
OUTPUT
DUTY CYCLE
Code
HH
H
Code
T
Specification
Tristate
Std.
Specification
±2.5%
±5%
±10%
(std.)
OPERATIONAL TEMP. RANGE
INPUT VOLTAGE
Code
L
Code
1
2
Specification
0°C to +70°C (std.)
-40°C to +85°C
-55°C to +125°C*
Specification
3.3 Volt
5.0 Volt (std.)
*Not always available
Example: VF140BL-1-1.8432MHz: Frequency Stability
±50ppm,
Duty Cycle
±10%,
Input Voltage 3.3 Volt
±5%,
Operating Temperature -40°C to +85°C,
Output Non-Tristate, Lead Configuration Straight, Frequency 1.8432MHz.
54
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
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