X O
VF640J/640G
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com
66
Creating a Part Number
VF640
FREQUENCY STABILITY
Code
Specification
S
20 ppm
A
25 ppm
B
50 ppm
100
ppm (std.)
C
500
ppm
DUTY CYCLE
Code
Specification
HH
2.5%
H
5%
10%
INPUT VOLTAGE
Code
Specification
L 3.3
Volt
5.0
Volt
(std.)
(std.)
OPERATIONAL TEMP. RANGE
Code
Specification
0
C to +70
C (std.)
1 -40
C to +85
C
PIN CONFIGURATION
Code
Specification
J
"J" Bend
G Gull
Wing
FREQ.
Example: VF640BHH-1J-19.44MHz: Frequency Stability
25ppm,
Duty Cycle
2.5%, Input Voltage 3.3 Volt
5%, Operating
Temperature -40
C to +85
C, Frequency 19.44MHz.
VF640J
19.44MHZ
BO1H
0.010R TYP
(0,254)
0.010R TYP
(0,254)
0.010"
0.002"
(0,254mm
0,05mm)
0.010"
0.002"
(0,254mm
0,05mm)
0.310"
0.010"
(7,87mm
0,254mm)
0.310"
0.010"
(7,87mm
0,254mm)
93
0.053"
0.005"
(1,35mm
0,254mm)
0.050"
0.005"
(1,27mm
0,127mm)
VF640J
VF640G
0.295"
0.01"
(7,49
0,254mm)
0.335"
0.008"
(8,51
0,203mm)
0.188" REF
(4,78mm)
0.068"
(1,73mm)
0.128" MAX
(3,25mm)
0.07"
0.010"
(1,78
0,254mm)
0.200"
0.005"
(5,08
0,127mm)
0.100"
0.005"
(2,54
0,127mm)
0.046"
0.005"
(1,17
0,127mm)
0.018"
0.002"
(0,457
0,05mm)
#6
#5
#4
#1
#2
#3
VF640J, VF640G Series
HCMOS/TTL Compatible Clock Oscillator
Miniature 6 Pin Ceramic Package
F E AT U R E S
Very Low Phase Jitter
Tristate Control Standard
Tight Duty Cycle Available
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
2.0
130
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
Std.
3.15
3.30
3.45
LV Opt.
Input Current
Icc
15pF load
25
mA
2
Load
Duty Cycle
@1.4V
40
50
60
%
3
Rise/Fall Time
Tr/Tf
10% to 90%
4.0
ns
0.4V to 2.4V
1.5
Logic "1" Level
Voh
Max Load
0.9Vcc
V
Logic "0" Level
Vol
Max Load
0.1Vcc
V
Start-up Time
Ts
2
10
ms
Phase Jitter
1
1
ps
fj>1KHz
Tristate
Function
Enable/ Te/Td
100
ns
Disable Time
Operating
Temperature Range
0C to +70C (40C to +85C available)
Mechanical Shock
Per MIL-STD-202, Method 213, Cond. E
Thermal Shock
Per MIL-STD-883, Method 1011, Cond. A
Vibration
Per MIL-STD-883, Method 2007, Cond. A
Soldering Conditions
260C, for 10s, Max. or 230C for 90s, Max
Hermetic Seal
Leak rate less than 5 x 10
-8
atm.cc/s of helium
Pin Out
Pin #1-N/C
Pin #2-Tristate Control
Pin #3-Ground, Case
Pin #4-Output
Pin #5-N/C
Pin #6-Vcc
10 TTL gates or 50pF Max
Absolute
Max. Ratings
Electrical
Environmental and Mechanical
Electrical
Connections
Notes:
1. Standard frequency stability, others available.
2. Current is load and frequency dependent.
3. Standard symmetry, tighter available.
All specifications are subject to change without notice.
Input HIGH (>2.5V) or floating:
ACTIVE
Input LOW (<0.5V):
INFINITE IMPEDANCE
All dimensions are typical unless otherwise specified.
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