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參數(shù)資料
| 型號(hào)： | VFT561E5BLFREQ |
| 廠商： | VALPEY FISHER CORP |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 19 MHz - 300 MHz, LVPECL OUTPUT |
| 文件頁(yè)數(shù)： | 2/2頁(yè) |
| 文件大?。?/td> | 0K |
| 代理商： | VFT561E5BLFREQ |
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 FAX 508-435-5289 www.valpeyfisher.com
2
Absolute Maximum Ratings
Input Break
Down Voltage
Vcc
-0.5
7.0
V
Storage temp.
Ts
-55
85
° C
Electrical
Frequency
range
F
19
300
MHz
Input Voltage
Vcc
4.75
3.15
5.00
3.30
5.25
3.45
V
Std
LV
Input Current
Icc
50 Ohm Load
75
mA
Frequency
Stability
Overall
F/F vs. Temperature
vs. Vcc
aging
±20,±50
±10
±1
ppm
ppm/V
ppm/year
“S” stability
First Year
See code
Load
50 Ohm to Vcc-2V or Thevenin Equiv. Bias Required
Duty cycle
@50%
45
50
55
%
Rise/Fall time
Tr/Tf
20 to 80 %
0.5
1.8
ns
E, Y, Q
H
Logic "1" level Voh
Vcc-0.96
Vcc-0.81
V
100K available
Logic "0" level Vol
Vcc-1.85
Vcc-1.65
V
100K available
Start up time
Ts
2
10
ms
Phase jitter
1
0.4
1
ps
Fj=100 Hz-80MHz
SSB Phase
Noise
@100 Hz
@1 KHz
@10 KHz
@100 KHz
-95
-125
-140
-145
dBc/Hz
@ 155 MHz
Enable/disable
Function
Input HIGH (>2.5V):
DISABLED
Input LOW (<0.5V) or floating:
ACTIVE
Enable/disable
Time
Te/Td
100
ns
Environmental and Mechanical
Operating temp.
range
0°C to 70°C (-40°C to 85°C available), see part # table
Mechanical Shock
Per MIL-STD-202, Method 213, Cond. A
Thermal Shock
Per MIL-STD-883, Method 1011, Cond. A
Vibration
Per MIL-STD-883, Method 2007, Cond. A
Soldering
Conditions
230°C for 90s Max
Hermetic Seal
Leak rate less than 5x10-8 atm.cc/s of helium (crystal only)
Electrical Connections
Model
“E”
Pin #1- N/C
Pin #2 - Negative Enable
Pin #3 - Case, Gnd
Pin #4 - Output
Pin #5 - Complementary
Output
Pin #6 - Vcc
Model
“Y”
Pin #1- Complementary Output
Pin #2 - Negative Enable
Pin #3 - Case, Gnd
Pin #4 - Output
Pin #5 – N/C
Pin #6 - Vcc
Pin Out
Model
“Q”, “H”
Pin #1- Complementary Output
Pin #2 – N/C
Pin #3 - Case, Gnd
Pin #4 - Output
Pin #5 – N/C
Pin #6 - Vcc
Specifications
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
VFT561 Series
Surface Mount
PECL/LVPECL Clock
Rev 01/06
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