Document
Integrated Circuit Systems
M655 Series
Voltage Controlled SAW Oscillators
M655 Series
Performance Specifications
DESCRIPTION
The M655 Series of Voltage Controlled SAW Oscillators is a low cost solution for many Telecom applications. An internal SAW filter provides jitter performance of less than 0.5psec (rms).
9mm
14mm
FEATURES
This device is specified for an operating temperature range of -40°C to +85°C. A disable feature forces the output into a static condition by applying a logic “0” to the clock enable input. The oscillator is housed in a hermetically-sealed, leadless surface mount package. The M655 Series of VCOs is available over an output frequency range of 155MHz to 900MHz. The device is most suited for phase-locked loop applications as well as clock and data recovery circuits.
Output Frequencies at 155MHz to 900MHz Low Phase Jitter, 0.5psec (rms) typical 3.3 Volt Supply Operation Complementary Outputs Output Disable Feature LCC Surface Mount Package (9 x 14mm)
APPLICATION
ABSOLUTE MAX RATINGS Operating Temp. Range (Case): ........................ -40°C to +85°C Storage Temp. Range (Ambient): .................... -55°C to +125°C Control Voltage Range: ................................................. 0 to VCC Output Current: ................................................................ 20 mA Power Supply Voltage (Vcc): ................................ 0 to +3.6 Vdc
Clock Smoothing for OC192/OC48/ OC12/OC3 Clock Smoothing for STS96/STS48/ STS12/STS3/STS1 Frequency Translation Clock and Data Retiming
ISO 9001 Registered
Integrated Circuit Systems, Inc.
Communications Modules
1
www.icst.com/Comm-Modules
tel: 508-852-5400
Integrated Circuit Systems
SPECIFICATIONS
M655 Series
Performance Specifications
Specifications @ Vcc = +3.3 Volts, Vee = 0 Volts, and Ta = +25°C unless otherwise specified PARAMETER Output Frequency Absolute Pull Range Frequency Stability (-40°C to 85°C) Duty Cycle Spurious Suppression-50 Linearity Logic Levels Vol1 Voh2 Input Control Voltage (Vc) Range VCO Gain Vc Input Impedance Vc Modulation BW Clock/Output Enable (Pin 2) Clock/Output Disable (Pin 2) Output Rise Time Output Fall Time Jitter @ 155.520MHz offset from carrier 12kHz to 20MHz Jitter @ 622.080MHz offset from carrier 12kHz to 80MHz Phase Noise (offset from carrier) 100Hz 1kHz 10kHz 100kHz Operating Temperature Supply Current Icc Supply Voltage Vcc
Min Typ Max Units
155 ± 50 +25/-150 45 -60 ±6 Vcc - 1.95 Vcc - 0.98 0 200 8 500 2.0 -0.3 250 250 0.230 0.458 -65 -95 -120 -140 25 80 3.3
900
55 dBc Vcc - 1.63 Vcc - 0.75 Vcc 12 Vcc +0.3 0.8 400 400
MHz ppm ppm % % Volts Volts Volts ppm/V KΩ kHz Volts Volts psec psec psec rms psec rms dBc/Hz dBc/Hz dBc/Hz dBc/Hz °C mA V
-40 3.2
+85 95 3.4
Notes: 1. Output levels are standard 10K ECL and are fully 100K ECL compatible. 2. Transition times are measured from 20% to 80% of a full 10K ECL level swing.
Phase Noise
-90 -100 -110
SSB Phase Noise dBc/Hz
-120 -130 -140 -150 -160 -170 1E+03
1E+04
.