Crystal Oscillator
Model Name 7311E
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Main Application
For SONET-, SDH-, and GbEthernet-related equipment
Voltage-Controlled Crystal Oscillator (VCXO) 7300 Series
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Features
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Frequency range: 600 to 780 MHz.
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A surface-mount crystal oscillator.
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Complies with the RoHS Directive.
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Specifications
Item
Model
Classification
7311E
NTVC1
600 to 780
+3.3 ± 5 %
Max. 100
LVPECL (Complementary)
40 to 60 (V
CC
− 1.3 V)
50 (V
CC
− 2.0 V)
−10 to +70
Max. ± 50 × 10
−6
Min. ± 100 × 10
−6
/ + 1.65 ± 1.5 V
Positive
Nominal frequency range (MHz)
Supply voltage [V
CC
] (V)
Current consumption (mA)
Output voltage
Symmetry (%)
Output load condition (LVPECL) (Ω)
Operating temperature range (℃)
Overall frequency tolerance
Frequency control range
Frequency change polarity
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Dimensions
mm
HOLLOW
11.4 ± 0.2
9.6 ± 0.5
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List of Ordering Codes
Frequency
(MHz)
622.08
624.7048
625
644.5313
666.5143
669.1281
669.3266
0.15 ± 0.1
Ordering Code
7311E-622.08M-NSA3327A
7311E-624.7048M-NSA3327A
7311E-625M-NSA3327A
7311E-644.5313M-NSA3327A
7311E-666.5143M-NSA3327A
7311E-669.1281M-NSA3327A
7311E-669.3266M-NSA3327A
7311E-672.1627M-NSA3327A
7311E-690.5692M-NSA3327A
7311E-693.483M-NSA3327A
7311E-714.5514M-NSA3327A
7311E-719.7344M-NSA3327A
7311E-773.0702M-NSA3327A
7311E-775.5803M-NSA3327A
7311E-777.6M-NSA3327A
Terminal land connections
#1
#2
#3
#4
#5
#6
11.4 ± 0.5
V
CONT
NC
GND
OUTPUT
OUTPUT
V
CC
672.1627
690.5692
Land pattern (Typical)
2.54 2.54
3.0
3.9 ± 0.2
693.483
714.5514
719.7344
773.0702
775.5803
777.6
#1
#2
#3
7.0 ± 0.5
3.0 2.9
2.9
0.8 ± 0.1
#6
#5
#4
1.27
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available.
Feel free to contact our sales representatives.
2.54 ± 0.2 2.54 ± 0.2
co32_090925_7311E_e