VFT561 Series
Surface Mount
PECL/LVPECL Clock
Features
•
•
•
•
•
•
•
Small, Low Profile SMD Package
Very Low Phase Jitter and Phase Noise
Excellent Frequency Stability
Low Aging, Vacuum sealed Crystal
Complementary Output Standard
Enable/Disable Optional
No Frequency Multiplication
Applications
•
•
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Optical Networking,
SONET/SDH
10 Gbit Ethernet
Telecommunications
0.55 (14 mm)
V cc
5V
0.35 (9 mm)
82 O hm
82 O hm
6
Vc
1
2
D UT
5
4
O U TPUT
0.24 (6.1 mm)
O U TPUT
En/Dis
3
120 O hm
G ND
120 O hm
1
0.300 (7.62 mm)
6
2
5
3
4
0.200 (5.08 mm)
Model “E”
SM ReflowProfile
D
250
Temperature, °C
200
150
100
50
0
0
50
100
150
200
Tim s
e,
Create a Part Number
VFT561
FREQUENCY, MHz
Model Pin Out
Specification
#1-N/C, #2-E/D, #5-OUT
#1-OUT, #2-E/D, #5-N/C
#1-OUT, #2-N/C, #5-N/C
Temperature Range
Code
Specification
A
-10°C to 60°C
B
0°C to 70°C
J
-20°C to 70°C
C
-40°C to 85°C
Frequency Stability
Code
Specification
L
±100 ppm
N
±50 ppm
S
±20 ppm
Code
E
Y
Q, H
Supply Voltage
Code
Specification
5
5V ±5%
3
3.3V ±5%
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
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VFT561 Series
Surface Mount
PECL/LVPECL Clock
Specifications
Parameter
Input Break
Down Voltage
Storage temp.
Symb
Vcc
Ts
F
Vcc
Icc
∆F/F
50 Ohm Load
vs. Temperature
vs. Vcc
aging
Condition
Min
-0.5
-55
19
4.75
3.15
5.00
3.30
±10
±1
±1
Typ
Max
7.0
85
300
5.25
3.45
75
Unit
V
°C
MHz
V
mA
ppm
ppm/V
ppm/year
Std
LV
“S” stability
First Year
See code
Note
Absolute Maximum Ratings
Electrical
Frequency
range
Input Voltage
Input Current
Frequency
Stability
Overall
Load
Duty cycle
Rise/Fall time
Logic "1" level
Logic "0" level
Start up time
Phase jitter
SSB Phase
Noise
Enable/disable
Function
Enable/disable
Time
±20,±50
50 Ohm to Vcc-2V or Thevenin Equiv. Bias Required
@50%
45
50
55
Tr/Tf
20 to 80 %
0.5
1.8
Voh
Vcc-0.96
Vcc-0.81
Vol
Vcc-1.85
Vcc-1.65
Ts
2
10
1
0.4
1
@100 Hz
-95
@1 KHz
-125
@10 KHz
-140
@100 KHz
-145
Input HIGH (>2.5V):
DISABLED
Input LOW (<0.5V) or floating: ACTIVE
Te/Td
100
%
ns
V
V
ms
ps
dBc/Hz
E, Y, Q
H
100K available
100K available
Fj=100 Hz-80MHz
@ 155 MHz
ns
Environmental and Mechanical
Operating temp.
range
Mechanical Shock
Thermal Shock
Vibration
Soldering
Conditions
Hermetic Seal
Pin Out
0°C to 70°C (-40°C to 85°C available), see part # table
Per MIL-STD-202, Method 213, Cond. A
Per MIL-STD-883, Method 1011, Cond. A
Per MIL-STD-883, Method 2007, Cond. A
230°C for 90s Max
Leak rate less than 5x10-8 atm.cc/s of helium (crystal only)
Model
“E”
Model
“Y”
Model
“Q”, “H”
Pin #1- N/C
Pin #2 - Negative Enable
Pin #3 - Case, Gnd
Pin #1- Complementary Output
Pin #2 - Negative Enable
Pin #3 - Case, Gnd
Pin #1- Complementary Output
Pin #2 – N/C
Pin #3 - Case, Gnd
Pin #4 - Output
Pin #5 - Complementary
Output
Pin #6 - Vcc
Pin #4 - Output
Pin #5 – N/C
Pin #6 - Vcc
Pin #4 - Output
Pin #5 – N/C
Pin #6 - Vcc
Electrical Connections
Rev 01/06
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
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