357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
Email: nelsales@nelfc.com www.nelfc.com
LVCMOS
SH-B1480 Series
Description
The SH-B1480 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible
signals for bus connected systems. Supplying Pin 1 of the SH-B1480 units with a logic “1" or open enables
its Pin 4 output. In the disable mode, Pin 4 presents a high impedance to the load.
Features
• Wide frequency range–150.0MHz to 280.0MHz
(Contact factory for other frequencies)
• User specified tolerance available
• Will withstand SMD reflow temperatures of 253°C
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• 2.5 Volt operation
• High shock resistance, to 1000g
• Low Jitter - Wavecrest jitter characterization
available
• High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
• High Q Crystal actively tuned oscillator circuit
• Power supply decoupling internal
• No internal PLL avoids cascading PLL problems
• High frequencies due to proprietary design
• Metal lid electrically connected to ground to
reduce EMI
• Gold plated pads
• RoHS Compliant, Lead Free Construction
Electrical Connection
Pin Connection
1 Enable/Disable
2 NC
3 Ground
4 Output
5 NC
6 V
DD
CRYSTAL CLOCK OSCILLATORS Data Sheet 0514E
Rev. A
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
Email: nelsales@nelfc.com www.nelfc.com
SH-B1480 Series Continued
LVCMOS
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter Symbol Conditions Min Typical Max
Frequency ----- ----- 150.0MHz ----- 280.0MHz
Duty Cycle ----- @ V
DD
/2 45/55% ----- 55/45%
Logic 0 V
OL
@ 8.5mA ----- ----- 0.4V
Logic 1 V
OH
@ 8.5mA V
DD
-0.4V ----- -----
Rise & Fall Time tr,tf 10-90%V
O
----- 1.2 ns 1.6 ns
Jitter, RMS
(2)
----- Overtone ----- ----- 3 psec
T
pz
----- ----- ----- ----- 100 ns
Enable Voltage ----- ----- 1.6V ----- -----
Disable Voltage ----- ----- ----- ----- 0.4V
Frequency Stability
(1)
dF/F Overall conditions including: -100ppm ----- +100ppm
voltage, calibration, temp.,
10 yr aging, shock, vibration
General Characteristics
Parameter Symbol Conditions Min Typical Max
Supply Voltage
(3)
V
DD
2.5V±10% 2.25V 2.5V 2.75V
Supply Current I
DD
No Load 0.0 mA 32 mA 40 mA
Output current I
O
Low level Output Current 0.0 mA ----- ±25.0 mA
Operating temperature T
A
------ 0°C ----- 70°C
Storage temperature T
S
----- -55°C ----- 125°C
Power Dissipation P
D
----- ----- ----- 110 mW
Lead temperature T
L
Soldering, 10 sec. ----- ----- 300°C
Load ----- ----- ----- ----- 15pf
Start-up Time t
s
----- ----- ----- 10 ms
Environmental and Mechanical Characteristics
Mechanical Shock Per MIL-STD-202, Method 213, Condition E
Thermal Shock Per MIL-STD-833, Method 1011, Condition A
Vibration 0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz
Soldering Condition 300°C for 10 seconds
Hermetic Seal Leak rate less than 1 x 10
-8
atm.cc/sec of helium
Footnotes:
1) Standard frequency stability (±20,±25,±50ppm & others available)
2) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
3) Internal high frequency power source decoupling.
Test Load:
Rev. A
CRYSTAL CLOCK OSCILLATORS
SH - B148X - FREQ
Package Code Tolerance/Performance
SH 6 pad 5x7mm SMD 0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
7 ±25ppm 0-70°C
Input Voltage 9 Customer Specific
Code Specification A ±20ppm 0-70°C
A 3.3V B ±50ppm -40 to +85°C
B 2. 5V C ±100ppm -40 to +85°C
5V
Creating a Part Number
Data Sheet 0514E
