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General Description

The ICS841202-245 is a two output clock synthesizer optimized to

generate low jitter with or without spread spectrum modulation.

Spread type and amount can be configured via the SSC control pins.

Using a 25MHz, 12pF parallel resonant crystal, the device will

generate HCSL clocks at either 25MHz, 100MHz, 125MHz or

250MHz. The ICS841202-245 uses a low jitter VCO and is packaged

in a 32-pin VFQFN package.

Features

? Two differential HCSL output pairs at: 100MHz, 125MHz or

250MHz

? HCSL outputs can be terminated to drive LVDS loads up to

175MHz

? 25MHz crystal interface

? Supports the following output frequencies: 25MHz, 100MHz,

125MHz or 250MHz

? Supports SSC downspread, centerspread and no spread options

? Cycle-to-cycle jitter: 55ps (maximum)

? Period jitter, RMS: 4.15ps (maximum)

? Full 3.3V operating supply mode

? 0°C to 70°C ambient operating temperature

? Available in lead-free (RoHS 6) packaging

? For functional replacement use 8T49N242i