Crystal Oscillator
Model Name 7311S-GF
■
Main Application
For SONET-, SDH-, and GbEthernet-related equipment
Simple Packaged Crystal Oscillator (SPXO) 7300 Series
■
Features
● Low power supply voltage (2.5 V)
● LVPECL output level.
● Supports a wide frequency range (62.5 to 313MHz).
● Low phase jitter : Max. 1ps
● Compact with dimensions of 7.0 x 5.0 x 1.7 mm.
■
Specifications
Item
Model
Classification
7311S
GF-255R
GF-505X
GF-104X
62.5 to 220
+2.5 ± 5 %
50 Ω (to Vcc−2.0 V)
During operation
During standby
0 to +70°C
Max. ±25×10
−6
GF-505P
GF-104P
Nominal frequency range (MHz)
Supply voltage [V
CC
] (V)
Load resistance
Current
consumption
Output level
Operating temperature range
Storage Temperature Range
Frequency tolerance
Symmetry
Phase jitter (RMS)
Stand-by function (tristate)
Number for specifying an order
Model
Classification
NSA3344B
NSA3345B
Max. ±50 ×10
−6
Max. 88 mA (Typ. 55 mA)
Max. 30 μA
LVPECL (Complementary)
0 to +85°C
−55 to +125°C
Max. ±100 ×10
−6
Max. ±50 ×10
−6
Max. ±100 ×10
−6
45 % to 55 % (at 50% Waveform)
Max. 1ps (12 kHz to 20 MHz)
Available
NSA3346B
7311S
GF-505X
GF-104X
220 to 313
+2.5 ± 5 %
50 Ω (to Vcc−2.0 V)
Max. 88 mA (Typ. 55 mA)
Max. 30 μA
LVPECL (Complementary)
0 to +85°C
−55 to +125°C
Max. ±50 ×10
−6
Max. ±100 ×10
−6
Max. ±50 ×10
−6
Max. ±100 ×10
−6
45 % to 55 % (at 50% Waveform)
Max. 1ps (12 kHz to 20 MHz)
Available
NSA3345F
NSA3346F
NSA3345F
NSA3346F
−40 to +85°C
GF-505P
GF-104P
NSA3345K
NSA3346K
−40 to +85°C
Item
Nominal frequency range (MHz)
Supply voltage [V
CC
] (V)
Load resistance
Current
consumption
Output level
Operating temperature range
Storage Temperature Range
Frequency tolerance
Symmetry
Phase jitter (RMS)
Stand-by function (tristate)
Number for specifying an order
During operation
During standby
110930_7311S-GF_e
Crystal Oscillator
Model Name 7311S-GF
■
Dimensions
7.0 ± 0.1
Simple Packaged Crystal Oscillator (SPXO) 7300 Series
■
Standby Function Table (Tristate)
mm
Terminal land connections
#1
5.0 ± 0.1
#2
#3
#4
#5
#6
STAND-BY
N.C
GND
OUTPUT
OUTPUT
V
CC
#1 Input
Level H (V
IH
≥ 0.7 V
cc
)
or OPEN
Level L (V
IL
≤ 0.3 V
cc
)
#4 and #5 output
Oscillation output ON
High impedance
1.7 ± 0.2
Land pattern (Typical)
1.2 ± 0.1
#6
#5
#4
1.6
1.5
3.9
#1
#2
2.54
#3
Cby=0.01 F
#1
#2
1.4 ± 0.1
#3
#6
#5
5.08 ± 0.1
#4
2.6 ± 0.1
5.08
■
How to Specify an Order
When ordering our products, specify them with an “Ordering Code” that consists of the following:
Model name
–
Frequency
(up to 8 digits)
M –
Number for specifying an order
Example :When ordering +2.5 V, Max. ±100×10
-6
/0 to 85 °C, 156.25 MHz
Ordering Code: 7311S-GF-104X-156.25M-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/).
12A_0831_7311S-GF_e
51单片机
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