X O
VFS1/VFS3
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com
76
Creating a Part Number
VFS1
FREQUENCY STABILITY
Code
Specification
B
50 ppm
100
ppm (std.)
OPERATIONAL TEMP. RANGE
Code
Specification
-10
C to +70
C (std.)
1 -40
C to +85
C
Example: VFS1A1-125MHz: Frequency Stability
25ppm,
Operational Temperature Range -40
C to +85
C.
FREQ.
VFS1/VFS3
HCMOS Miniature Tristate Oscillator
(3,5 x 6,0mm)
F E AT U R E S
Ultra Miniature Package
(3,5mm x 6,0mm)
Wide Frequency Range
Industrial Temperature Available
Leadless Ceramic Package
Industry Standard Footprint
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
1.8
50
MHz
Range
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
VFS1
3.15
3.30 3.45
VFS3
Input Current
Icc
30MHz @15pF load
25
mA
2
Load
Duty Cycle
@50%Vcc
40
60
%
Rise/Fall Time
Tr/Tf
5
10
ns
Logic "1" Level
Voh
Max Load
0.9Vcc
V
Logic "0" Level
Vol
Max Load
0.1Vcc
V
Startup Time
Ts
3
10
ms
Tristate Function
Enable/ ns
Disable Time
Operating
Temperature Range
10C to +70C (40C to +85C 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; 230C, for 90s, Max.
Hermetic Seal
Leak rate less than 5 x 10
8
atm.cc/s of helium
Pin Out
Pin #1Tristate Control
Pin #2Ground, Case
Pin #3Output
Pin #4Vcc
10LSTTL gates or 15pF
Absolute
Max. Ratings
Electrical
Environmental and Mechanical
Electrical
Connections
Notes:
1. Standard frequency and Vcc stability (50ppm, others available).
2. Current load, frequency dependent.
All specifications are subject to change without notice.
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
0.100"
2,54mm
.060"
1,5mm
.040"
1,0mm
#1
#1
#4
#4
#3
#3
#2
#2
.056"
(1,4mm)
.236"
(6,0mm)
.137"
(3,5mm)
.006"
(0,15mm)
.040"
1,0mm
All dimensions are typical unless otherwise specified.
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