GENERAL DESCRIPTION

The ICS8725 is a high performance LVHSTL zero delay buffer and a member of the HiPerClockS™ family of High Performance Clocks Solutions from ICS. The VCO operates at a frequency range of 250MHz to 500MHz. Utilizing one of the outputs as feedback to the PLL output frequencies up to 500MHz can be regenerated with zero delay with respect to the input. Dual reference clock inputs support redundant clock or multiple reference applications.

FEATURES

• Fully integrated PLL

• 5 LVHSTL outputs each with the ability to drive 50Ω to ground

• Voh (max) = 1.2V

• 31.25MHz to 500MHz output frequency range

• Spread Smart™ for regenerating spread spectrum clocks

• Differential reference clock inputs accept any differential input signal

•· Differential reference clock inputs will accept single ended input signal with one of the inputs biased with a resistor network

• 31.25MHz to 622MHz input frequency range

• LVCMOS / LVTTL control inputs

• 3.3V core, 1.8V output operating supply voltage

• 32 lead low-profile QFP (LQFP), 7mm x 7mm x 1.4mm package body, 0.8mm package lead pitch

• 0°C to 70°C ambient operating temperature

• Industrial temperature version available upon request