7311Q Datasheet, PDF (1/1 Pages) NIHON DEMPA KOGYO – Dual-Rate Voltage-Controlled Crystal Oscillator

Crystal Oscillator
Model Name 7311Q Dual-Rate Voltage-Controlled Crystal Oscillator (DUAL RATE-VCXO^®) 7300 Series
n Main Application
For SONET-, SDH-, and GbEthernet-related equipment
n Features
l Frequencies can be selected according to the external input used.
l A surface-mount crystal oscillator.
n Specifications
Model
Item
Classification
Standard nominal frequency (MHz)
Power supply voltage
Load
Operating temperature range
Consumption current
Output level
Duty cycle
Comprehensive frequency stability
Frequency control characteristic
Control polarity
7311Q
NTVC1
622.08/644.5313, 622.08/666.5143, 622.08/669.3266
+3.3V DC±5%
50Ω
−10 to +70°C
100mA max
PECL level (Complementary)
40 to 60%
±50×10^−6 max
±100×10^−6 min / +1.65±1.5V
Positive
n Dimensions
Hollow
17.0±0.5
#1 #2 #3
0.8±0.1 ^{#6 #5 #4}
2.54±0.2
2.54±0.2
0.15±0.1
mm
PAD No.
#1
#2
#3
#4
#5
#6
Connection
V.C
CONT.
GND
OUTPUT
OUTPUT
+DC
n List of Ordering Codes
Frequency
(MHz)
Ordering Code
f1: 622.08
7311Q-622M644M-NSA3342A
f2: 644.5313
f1: 622.08
7311Q-622M666M-NSA3342B
f2: 666.5143
f1: 622.08
7311Q-622M669M-NSA3342C
f2: 669.3266
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available.
Feel free to contact our sales representatives.
Reference land pattern
2.54 2.54
1.27
Function Table
CONT.(#2) OUTPUT(#4,#5)
L
FEC Rate
H
622.08MHz
* High Level : 2.0V min
Low Level : 0.8V max
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