SD-A2980 Datasheet, PDF (2/13 Pages) Nel Frequency Controls,inc – Differential Positive ECL (DPECL 3.3V)

SD-A2980
Series
Differential Positive ECL (DPECL 3.3V)
SD-A2980 Series
Frequency Range: 80.0-540.0 MHz
Description
The SD-A2980 Series of quartz crystal oscillators provide DPECL compatible signals. Systems designers may
now specify space-saving, cost-effective packaged PECL oscillators to meet their timing requirements.
Size, mm
7.2 x 5.2 x 2.3
I/O
6 pads
Supply Voltage
3.3
Frequency Range
80.0-540.0 MHz
Features
• High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
• Low jitter - Wavecrest jitter characterization avail-
able
• Wide frequency range—80.0 MHz to 540.0 MHz
• User specified tolerance available
• Will withstand vapor phase temperatures of 253°C
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• High shock resistance, to 1000g
• 3.3 Volt operation
• Metal lid electrically connected to ground to
reduce EMI
• Overtone technology
• High Q crystal actively tuned oscillator circuit
• No internal PLL avoids cascading PLL problems
• High frequencies due to proprietary design
• Gold plated pads
Creating a Part Number
SD - A298X - FREQ
Package Code
SD 6 pad 7.2x5.2x2.3 mm SMD
Input Voltage
Code Specification
A 3.3 V
5V
Tolerance/Performance
0 ±100 ppm 0-70°C
1 ±50 ppm 0-70°C
7 ±25 ppm 0-70°C
9 Customer Specific
A ±20 ppm 0-70°C
B ±50 ppm -40 to +85°C
C ±100 ppm -40 to +85°C
Drawing Specifications
For the most up to date speci-
fications on each NEL prod-
uct, log on to our website—
www.nelfc.com
Dimensions shown in inches and millimeters.
Electrical Connection
Pin Connection
1
Enable/Disable
2
N.C.
3
VEE /Ground
4
Output
5
/Output
6
V_CC