843002中文资料FemtoClock® Crystal-to-3.3V LVPECL Frequency Synthesizer数据手册Renesas规格书

描述 Description

The 843002 is a 2 output LVPECL synthesizer optimized to generate Fibre Channel reference clock frequencies and is a member of the family of high performance clock solutions from IDT. Using a 26.5625MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL[1:0]): 212.5MHz, 187.5MHz, 159.375MHz, 106.25MHz, and 53.125MHz. The 843002 uses IDT's 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Fibre Channel jitter requirements. The 843002 is packaged in a small 20-pin TSSOP package.

特性 Features

·Two 3.3V LVPECL outputs
·Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input
·Supports the following output frequencies: 212.5MHz, 187.5MHz, 159.375MHz, 106.25MHz and 53.125MHz
·VCO range: 560MHz - 680MHz
·RMS phase jitter (637kHz - 10MHz): 0.72ps (typical)
·Typical phase noise at 212.5MHzPhase noise:Offset                    Noise Power100Hz ................. -87.7 dBc/Hz1KHz .................. -111.6 dBc/Hz10KHz ................ -124.3 dBc/Hz100KHz .............. -124.3 dBc/Hz
·Full 3.3V supply mode
·Lead-Free package RoHS compliant
·-30°C to 85°C ambient operating temperature