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PDF VCC1-Axx-xxxxx Data sheet ( Hoja de datos )
| Número de pieza | VCC1-Axx-xxxxx | |
| Descripción | VCC1 Series CMOS Oscillator | |
| Fabricantes | Vectron International | |
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The VCC1 Crystal Oscillator
VCC1 series
1.8, 2.5, 3.3, 5.0 volt CMOS Oscillator
Features
• CMOS output
• Output frequencies to 190 MHz
• Low jitter, Fundamental or 3rd OT Crystal
• Tri-state output for board test and debug
• -10/70 or –40/85 °C operating temperature
• Gold over nickel contact pads
• Hermetically sealed ceramic SMD package
• Product is compliant to RoHS directive
and fully compatible with lead free assembly
Output
Buffer /
Disable
Applications
• SONET/SDH/DWDM
• Ethernet, Gigabit Ethernet
• Storage Area Network
• Digital Video
• Broadband Access
• Microprocessors/DSP/FPGA
Description
Vectron’s VCC1 Crystal Oscillator (XO) is quartz
stabilized square wave generator with a CMOS
output, operating off a 1.8, 2.5, 3.3, or 5.0 volt
supply.
fo The VCC1 uses fundamental or 3rd overtone
crystals resulting in low jitter performance,
typically 0.5ps rms in the 12 kHz to 20MHz band.
Also a monolithic IC, which improves reliability
and reduces cost, is hermitically sealed.
Vectron International 267 Lowell Road, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: [email protected]
1 page  
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VCC1 Data sheet
Table 4. Electrical Performance, 1.8V option
Parameter
Symbol Min
Typical Maximum Units
Frequency
Operating Supply Voltage 1
fO 0.048
172.000 MHz
VDD 1.71
1.8
1.89
V
Absolute Maximum Voltage
-0.5 3.6 V
Supply Current, Output Enabled
< 20 MHz
IDD
mA
5
20.01 to 70 MHz
15
70.01 to 96 MHz
20
96.01 to 125 MHz
25
125.01 to 172 MHz
30
Supply Current, Out disabled
Output Logic Levels
Output Logic High2
Output Logic Low2
Output Logic High Drive
Output Logic Low Drive
Output Logic High Drive3
Output Logic Low Drive3
Output Rise/Fall Time2
< 1.00 MHz
IDD
VOH
VOL
IOH
IOL
IOH
IOL
tR/tF
0.9*VDD
2.8
2.8
8
8
30
0.1*VDD
200
uA
V
V
mA
mA
mA
mA
ns
1.000 to 20.00 MHz
4
20.01 to 50.00 MHz
4
50.01 to 90.00 MHz
3
90.01 to 172.00 MHz
2
Duty Cycle4 (ordering option)
SYM
45/55
%
Operating temperature (ordering option)
-10/70 or –40/85
°C
Storage Temperature
Stability5 (ordering option)
-55 125
±20, ±25, ±32, ±50, ±100
°C
ppm
RMS Jitter, 12kHz to 20 MHz
0.5 ps
RMS Jitter
2.2 ps
Output Enable/Disable6
V
Output Enabled
1.26
Output Disabled
0.5
Internal Enable Pull-Up resistor6
1 Mohm
Start-up time
10 ms
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.
2. Figure 7 defines these parameters. Figure 8 illustrates the operating conditions under which parameters are tested/specified.
3. Overtone designs, output frequencies>35MHz.
4. Symmetry is measured defined as On Time/Period.
5. Includes calibration tolerance, operating temperature, supply voltage variations, aging and shock and vibration (not under
operation).
6. Output will be enabled if enable/disable is left open.
80 %
Vs
20 %
tR
On Time
tF
Period
Figure 7. Output Waveform
ID D
+
V DD -
. 1µF
. 0 1µF
4
1
IC
VC +
-
23
1 5pF
Figure 8. Typical Output Test Conditions (25±5°C)
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: [email protected]
5 Page | ||
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| PDF Descargar | [ Datasheet VCC1-Axx-xxxxx.PDF ] | |
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