844003AGLF

Specifications

Temperature C Voltage 3.3 V Package TSSOP 24 Speed NA Core Supply Voltage (VDD) Output Supply Voltage (VDDO) No. of Outputs No. of Inputs Output Style Input Style Max. Output Frequency Min. Output Frequency Max. Input Frequency Min. Input Frequency Temp. Grade VCXO Spread Spectrum


Description

3 LVDS OUT SYNTHESIZER
ICS844003 Features

• Three LVDS outputs on two banks, A Bank with one LVDS pair and B Bank with 2 LVDS output pairs
• Using a 31.25MHz or 26.041666MHz crystal, the two output banks can be independently set for 625MHz, 312.5MHz, 156.25MHz or 125MHz
• Selectable crystal oscillator interface or
• LVCMOS/LVTTL single-ended input
• VCO range: 560MHz to 700MHz
• RMS phase jitter @ 156.25MHz (1.875MHz - 20MHz): 0.63ps (typical)
• 3.3V output supply mode
• 0°C to 70°C ambient operating temperature
• Available in both standard and lead-free RoHS-compliant packages

Description
The ICS844003 is a 3 differential output LVDS Synthesizer designed to generate Ethernet reference clock frequencies and is a member of the HiPerClocks? family of high performance clock solutions from IDT. Using a 31.25MHz or 26.041666MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the settings of four frequency select pins (DIV_SEL[A1:A0], DIV_SEL[B1:B0]): 625MHz, 312.5MHz, 156.25MHz, and 125MHz. The ICS844003 has two output banks, Bank A with one differential LVDS output pair and Bank B with two differential LVDS output pairs.

The two banks have their own dedicated frequency select pins and can be independently set for the frequencies mentioned above. The ICS844003 uses IDT's 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Ethernet jitter requirements. The ICS844003 is packaged in a small 24-pin TSSOP package.