SC3042B - RF Monolithics

SC3042B 624.0 MHz Differential Sine-Wave Clock

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.

Features

s 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.