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SC3042B

RF Monolithics
Part Number SC3042B
Manufacturer RF Monolithics
Description 624.0 MHz Differential Sine-Wave Clock
Published Mar 11, 2011
Detailed Description Preliminary SC3042B • • • • • Quartz SAW Frequency Stability Fundamental Fixed Frequency Very Low Jitter and Power Consu...
Datasheet PDF File SC3042B PDF File

SC3042B
SC3042B


Overview
Preliminary SC3042B • • • • • Quartz SAW Frequency Stability Fundamental Fixed Frequency Very Low Jitter and Power Consumption Rugged, Miniature, Surface-Mount Case Low-Voltage Power Supply (3.
3 VDC) This digital clock is designed for use in high-speed communications timing systems.
Fundamental-mode oscillation is made possible by surface-acoustic-wave (SAW) technology.
The design results in low jitter, compact size, and low power consumption.
Differential outputs provide a sine wave that is capable of driving 50 Ω loads.
624.
0 MHz Differential Sine-Wave Clock Absolute Maximum Ratings Rating Power Supply Voltage (VCC at Terminal 1) Input Voltage (ENABLE at Terminal 8) Case Temperature (Powered or Storage) Value 0 to +4.
0 0 to +4.
0 -40 to +85 Units VDC VDC °C SMC-8 Case Electrical Characteristics Characteristic Output Frequency Q and Q Output Absolute Frequency Tolerance from 624.
0 MHz Voltage into 50Ω (VSWR ≤ 1.
2) Operating Load VSWR Symmetry Harmonic Spurious Nonharmonic Spurious Q and Q Period Jitter Output (Disabled) No Noise on VCC 200 mVP-P from 1 MHz to ½ fO on Amplitude into 50 Ω VIH VIL IIH IIL tPD VCC ICC TA 1, 3 1, 3 +3.
13 0 +3.
30 20 RFM SC3042B 624.
00 MHz YYWW 3, 9 Sym fO ΔfO VO Notes 1, 2 1, 3 3, 4, 5 3, 4, 6 3, 4, 6, 7 3, 4, 7, 8 3, 9 3 Minimum 623.
875 0.
60 49 Typical Maximum 624.
125 ±200 1.
1 2:1 51 -30 -60 Units MHz ppm VP-P % dBc dBc psP-P psP-P mVP-P KΩ V V mA mA ms VDC mA °C 15 30 35 75 Output DC Resistance (between Q & Q) ENABLE (Terminal 14) Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Propagation Delay DC Power Supply Operating Voltage Operating Current Operating Ambient Temperature Lid Symbolization (YY = Year, WW = Week) 50 VCC-0.
1 0.
0 3 VCC VCC+0.
1 0.
20 5 -1 1 +3.
47 40 +70 CAUTION: Electrostatic Sensitive Device.
Observe precautions for handling.
NOTES: Unless otherwise noted, all specifications include any combination of load VSWR, VCC, and TA.
In addition, Q and Q are terminated into 50 Ω loads t...


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