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Datasheet> All Categories > Passive components> oscillator> VC-806-HCW-FABN-50M000000
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VC-806-HCW-FABN-50M000000

Description
LVPECL Output Clock Oscillator, 50MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6
CategoryPassive components    oscillator   
File Size184KB，7 Pages
ManufacturerVectron International, Inc.
Websitehttp://www.vectron.com/
Environmental Compliance  
Download Datasheet Parametric View All

VC-806-HCW-FABN-50M000000 Overview

LVPECL Output Clock Oscillator, 50MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6

VC-806-HCW-FABN-50M000000 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerVectron International, Inc.
Reach Compliance Codecompliant
Other featuresENABLE/DISABLE FUNCTION; TAPE AND REEL
maximum descent time0.6 ns
Frequency Adjustment - MechanicalNO
frequency stability25%
JESD-609 codee4
Manufacturer's serial numberVC-806
Installation featuresSURFACE MOUNT
Nominal operating frequency50 MHz
Maximum operating temperature70 °C
Minimum operating temperature-10 °C
Oscillator typeLVPECL
Output load50 OHM
physical size5.0mm x 3.2mm x 1.3mm
longest rise time0.6 ns
Maximum supply voltage2.625 V
Minimum supply voltage2.375 V
Nominal supply voltage2.5 V
surface mountYES
maximum symmetry55/45 %
Terminal surfaceGold (Au) - with Nickel (Ni) barrier

VC-806-HCW-FABN-50M000000 Preview

VC-806
LVPECL, LVDS Crystal Oscillator Data Sheet
VC-806
Description
Vectron’s VC-806 Crystal Oscillator is a quartz stabilized, differential output oscillator, operating off either a 2.5 or 3.3 volt supply in
a hermetically sealed 3.2x5 ceramic package.
Features
•
•
•
•
•
•
•
Ultra Low Jitter Performance, Fundamental or 3rd OT Crystal Design
Output Frequencies to 250MHz
<0.7 ps RMS jitter, 12k-20MHz
Differential Output
Enable/Disable
-10/70°C or -40/85°C Operation
Hermetically Sealed 3.2x5 Ceramic Package
•
•
•
•
•
•
•
•
•
Applications
Storage Area Networking
Telecom
Ethernet, GE, SynchE
Fiber Channel
PON
Driving A/D’s, D/A’s, FPGA’s
Test and Measurement
Medical
COTS
• Product is compliant to RoHS directive
and fully compatible with lead free assembly
Block Diagram
Complementary
Output
Output
V
DD
Crystal
Oscillator
E/D or NC
E/D or NC
Gnd
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page1
Performance Specifications
Table 1. Electrical Performance, LVPECL Option
Parameter
Voltage
1
Current (No Load)
Nominal Frequency
2
Stability
2,3
(Ordering Option)
Outputs
Output Logic Levels
4
, -10/70°C
Output Logic High
Output Logic Low
Output Logic Levels
4
, -40/85°C
Output Logic High
Output Logic Low
Output Rise and Fall Time
4
Rise Time
Fall Time
Load
Duty Cycle
5
Jitter (12 kHz - 20 MHz BW)156.25MHz
6
Period Jitter
7
RMS
P/P
Random Jitter
Deterministic Jitter
Output Enabled
8
Output Disabled
Enable/Disable Time
Enable/Disable Leakage Current
Enable Pull-Up Resistor
Output Enabled
Output Disabled
Start-Up Time
Operating Temp. (Ordering Option)
Package Size
t
SU
T
OP
-10/70 or -40/85
3.2x5.0x1.3
33
1
10
фJ
фJ
2.6
23
2.6
<0.2
Enable/Disable
V
IH
V
IL
t
D
0.7*V
DD
0.3*V
DD
200
±200
V
V
ns
uA
KOhm
MOhm
ms
°C
mm
ps
ps
ps
ps
45
V
V
OH
V
OL
V
OH
V
OL
t
R
/t
F
600
600
50 ohms into V
DD
-1.3V
50
0.3
55
0.7
%
ps
ps
ps
V
DD
-1.025
V
DD
-1.810
V
DD
-1.085
V
DD
-1.830
V
DD
-0.880
V
DD
-1.620
V
V
DD
-0.880
V
DD
-1.555
Symbol
V
DD
I
DD
Min
Supply
3.135
2.375
Frequency
Typical
3.3
2.5
50
Maximum
3.465
2.625
98
250
Units
V
mA
MHz
ppm
f
N
25
±25, ±50, ±100
R
J
D
J
1. The VC-806 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor.
2. See Standard Frequencies and Ordering Information for more information.
3. Includes calibration tolerance, operating temperature, supply voltage variations, aging and IR reflow.
4. Figure 2 defines these parameters and Figure 1 defines the test circuit.
5. Duty Cycle is defines as the On/Time Period.
6. Measured using an Agilent E5052, 156.25MHz.
7. Measured using a Wavecrest SIA3300C, 90K samples.
8. Outputs will be Enabled if Enable/Disable is left open.
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page2
Performance Specifications
Table 2. Electrical Performance, LVDS Option
Parameter
Voltage
1
Current (No Load)
Nominal Frequency
2
Stability
2,3,
(Ordering Option)
Outputs
Output Logic Levels
4
Output Logic High
Output Logic Low
Differential Output
Differential Output Error
Offset Voltage
Offset Voltage Error
Output Leakage Current
Output Rise and Fall Time
4
Rise Time
Fall Time
Load
Duty Cycle
5
Jitter (12 kHz - 20 MHz BW)155.52MHz
6
Period Jitter
7
RMS
P/P
Random Jitter
Deterministic Jitter
Output Enabled
8
Output Disabled
Enable/Disable Time
Enable/Disable Leakage Current
Enable Pull-Up Resistor
Output Enabled
Output Disabled
Start-Up Time
Operating Temp. (Ordering Option)
Package Size
t
SU
T
OP
-10/70 or -40/85
3.2x5.0x1.3
33
1
10
фJ
фJ
2.9
25.1
2.9
0.2
Enable/Disable
V
IH
V
IL
t
D
0.7*V
DD
0.3*V
DD
200
±200
V
V
ns
uA
KOhm
MOhm
ms
°C
mm
ps
ps
ps
ps
45
t
R
/t
F
600
600
100 ohms differential
50
0.35
55
0.8
%
ps
ps
ps
1.125
1.25
V
V
OH
V
OL
0.9
247
1.43
1.10
330
1.6
454
50
1.375
50
10
mV
mV
V
mV
uA
Symbol
V
DD
I
DD
Min
Supply
3.135
2.375
Frequency
Typical
3.3
2.5
Maximum
3.465
2.625
60
Units
V
mA
MHz
ppm
f
N
80
±25, ±50, ±100
250
R
J
D
J
1. The VC-806 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor.
2. See Standard Frequencies and Ordering Information for more information.
3. Includes calibration tolerance, operating temperature, supply voltage variations, aging and IR reflow.
4. Figure 2 defines these parameters and Figure 3 defines the test circuit.
5. Duty Cycle is defines as the On/Time Period.
6. Measured using an Agilent E5052, 156.250MHz.
7. Measured using a Wavecrest SIA3300C, 90K samples.
8. Outputs will be Enabled if Enable/Disable is left open.
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page3
Test Diagrams
V
DD
-1.3V
t
R
V
OH
50%
t
F
1
NC
2
NC
3
6
5
4
50
50
V
OL
On Time
-1.3V
Figure 1
Period
Figure 2
Out
50
50
Out
0.01 uF
DC
6
1
5
2
4
3
Figure 3
Package and Pinout
Table 3. Pinout
Pin #
1
2
3
6
5
4
Symbol
E/D or NC
E/D or NC
GND
f
O
Cf
O
V
DD
Function
Enable Disable or No Connection
Enable Disable or No Connection
Electrical and Lid Ground
Output Frequency
Complementary Output Frequency
Supply Voltage
4
5
3.2±0.13
6
Frequency
Date Code
1
2
3
5.0±0.13
0.64
The Enable/Disable function is set at the factory on either pin 1
or pin 2 and is an ordering option
1.3 max
0.89
2.0
1.41
1.27
1.87
1.0±0.15
Figure 3 Package
Dimensions in mm
2.54
0.50
0.38
Figure 4 Pad Layout
Dimensions in mm
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page4
LVPECL Application Diagrams
Figure 5 Standard PECL Output Configuration
Figure 6 Single Resistor Termination Scheme
Resistor values are typically 120 to 240 ohms
for 3.3V operation.
Resistor values are typically 82 to 120 ohms
for 2.5V operation.
Figure 7 Pull-Up Pull Down Termination
Resistor values are typically for 3.3V operation
For 2.5V operation, the resistor to ground is 62
ohms and the resistor to supply is 240 ohms
The VC-806 incorporates a standard PECL output scheme, which are un-terminated emitters as shown in Figure 5. There are numerous application notes
on terminating and interfacing PECL logic and the two most common methods are a single resistor to ground, Figure 6, and a pull-up/pull-down scheme
as shown in Figure 8. An AC coupling capacitor is optional, depending on the application and the input logic requirements of the next stage.
LVDS Application Diagrams
V
CC
LVDS
Driver
100
LVDS
Receiver
LVDS
Driver
100
Receiver
OUT+
OUT-
Figure 9 LVDS to LVDS Connection, Internal 100ohm
Some LVDS structures have an internal 100 ohm resistor
on the input and do not need additional components.
Figure 8 Standard LVDS
Output Configuration
Figure 10 LVDS to LVDS Connection
External 100ohm and AC blocking caps
Some input structures may not have an internal 100 ohm
resistor on the input and will need an external 100ohm
resistor for impedance matching. Also, the input may have
an internal DC bias which may not be compatible with
LVDS levels, AC blocking capacitors can be used.
One of the most important considerations is terminating the Output and Complementary Outputs equally. An unused output should not be left un-termi-
nated, and if it one of the two outputs is left open it will result in excessive jitter on both. PC board layout must take this and 50 ohm impedance matching
into account. Load matching and power supply noise are the main contributors to jitter related problems.
Environmental and IR Compliance
Table 4. Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Fine and
Gross Leak
Resistance to Solvents
Moisture Sensitivity Level
Contact Pads
Condition
MIL-STD-883 Method 2002
MIL-STD-883 Method 2007
MIL-STD-883 Method 1010
MIL-STD-883 Method 2003
MIL-STD-883 Method 1014
MIL-STD-883 Method 2015
MSL1
Gold over Nickel
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Page5
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