Crystal Oscillator
Model Name 7311S-GF
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Main Application
For SONET-, SDH-, and GbEthernet-related equipment
Simple Packaged Crystal Oscillator (SPXO) 7300 Series
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Features
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Power supply voltage and LV-PECL output level are 2.5 V and 62.5 to 350 MHz,
respectively.
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Ultra-compact with dimensions of 7.0 x 5.0 x 1.7 mm.
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A surface-mount crystal oscillator.
Pb
Free
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Specifications
Item
Model
Classification
62.5 to 220
+2.5V DC ±5%
50Ω
0 to 70°C, 0 to 85°C
±25×10 max/0 to 70°C (255R)
−6
7311S-GF-XXXX
XXXX : 255R, 505X, 104X
220 to 350
Standard nominal frequency (MHz)
Power supply voltage
Load
Operating temperature range
Comprehensive frequency stability
During operation
During standby
Output level
Duty cycle
Phase jitter (1σ)
Standby function (tristate)
0 to 85°C
±50×10
−6
max/0 to 85°C (505X)
±100×10
−6
max/0 to 85°C (104X)
±50×10
−6
max/0 to 85°C (505X)
±100×10
−6
max/0 to 85°C (104X)
Consumption current
55mA typ. (88mA max)
30μA max.
PECL level (Complementary)
45 to 55% (at Waveform)
1ps max. (12KHz to 20MHz)
Available
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Dimensions
mm
7.0±0.1
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Standby Function Table (Tristate)
#1 Input
Level H (V
IH
≥ 0.7 V
cc
)
or OPEN is selected.
Level L (V
IL
≤ 0.3 V
cc
)
#4 and #5 output
Oscillation output ON
High impedance
PAD No.
#1
5.0±0.1
#2
#3
#4
#5
#6
Connection
STAND-BY
N.C
GND
OUTPUT
OUTPUT
+DC
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Number for specifying an order (+2.5V LV-PECL)
Comprehensive
frequency stability
±25×10
−6
max/0 to 70°C
±50×10
−6
max/0 to 85°C
Nominal frequency range (MHz)
62.5 ≤ F < 220 220 ≤ F < 350
−
NSA3344B
NSA3345B
NSA3346B
NSA3345F
NSA3346F
1.7±0.2
Reference land pattern
1.6
1.5
±100×10 max/0 to 85°C
−6
1.4±0.1
#1
#2
#3
1.2±0.1
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How to Specify an Order
Model name
–
Frequency
(up to 9 digits)
M –
Number for
specifying an order
3.9
2.6±0.1
2.54
5.08
Cby=0.01μF
When ordering +2.5V, ±100×10
-6
max/0 to 85°C, 156.25 MHz
7311S-GF-104X-156.250000M-NSA3346B
If you have any queries concerning our standard frequencies
and numbers for specifying orders, please contact our sales
representatives or visit our homepage (http://www.ndk.com/).
co21_071108_7311S-GF_e1
#6
#5
5.08±0.1
#4
NDK [ NIHON DEMPA KOGYO ]
