Crystal Oscillator
Model Name 7311S-DF
n
Main Application
For SONET-, SDH-, and GbEthernet-related equipment
Simple Packaged Crystal Oscillator (SPXO) 7300 Series
n
Features
l
Power supply voltage is 2.5V, LV-PECL output level.
l
Output frequency range are 62.5 to 313 MHz.
l
Ultra-compact with dimensions of 7.0 x 5.0 x 1.7 mm.
l
Surface-mount crystal oscillator.
Pb
Free
n
Specifications
Item
Model
Classification
62.5 to 220
+3.3 ± 10 %
50 (to VCC−2.0 V)
During operation
During standby
0 to +70, 0 to +85
Max. ±25×10 / 0 to +70 ℃ (255R)
Frequency stability
Duty cycle (%)
Phase jitter (RMS)
Standby function (tristate)
Max. ±50×10
−6
/ 0 to +85 ℃ (505X)
Max. ±100×10
−6
/ 0 to +85 ℃ (104X)
−6
7311S
DF-XXXX (XXXX : 255R, 505X, 104X)
220 to 313
Nominal frequency range (MHz)
Power supply voltage [VCC] (V)
Load (Ω)
Current
consumption
Output level
Operating temperature range (℃)
Max. 90 mA (60 mA typ.)
Max. 30 μA
PECL level (Complementary)
0 to +85
Max. ±50×10
−6
/ 0 to +85 ℃ (505X)
Max. ±100×10
−6
/ 0 to +85 ℃ (104X)
45 to 55 (at 50 % Waveform)
Max. 1 ps (12 kHz to 20 MHz)
Available
n
Dimensions
mm
7.0 ± 0.1
n
Standby Function Table (Tristate)
#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
PAD No.
#1
5.0 ± 0.1
#2
#3
#4
#5
#6
Connection
STAND-BY
N.C
GND
OUTPUT
OUTPUT
VCC
n
Number for specifying an order (+3.3V LV-PECL)
Comprehensive
frequency stability
Max. ±25×10
−6
/0 to 70 °C
Max. ±50×10
−6
/0 to 85 °C
Max. ±100×10
−6
/0 to 85 °C
Nominal frequency range (MHz)
62.5 ≤ F < 220 220 ≤ F ≤ 313
−
NSA3344A
NSA3345A
NSA3346A
NSA3345E
NSA3346E
1.7 ± 0.2
Reference land pattern
1.6
1.5
1.4 ± 0.1
#1
#2
#3
1.2 ± 0.1
n
How to Specify an Order
Model name
3.9
–
Frequency
(up to 8 digits)
M –
Number for
specifying an order
2.6 ± 0.1
2.54
5.08
Cby=0.01μF
When ordering +3.3 V, Max. ±100×10
−6
/0 to 85°C, 156.25 MHz
7311S-DF-104X-156.25M-NSA3346A
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/).
#6
#5
5.08 ± 0.1
#4
co25_080919_7311S-DF_e