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ICS845204

Renesas
Part Number ICS845204
Manufacturer Renesas
Description CLOCK SYNTHESIZER W/SPREAD SPECTRUM
Published May 23, 2020
Detailed Description ADVANCE INFORMATION CRYSTAL-TO-MLVDS PCI EXPRESS™ CLOCK SYNTHESIZER W/SPREAD SPECTRUM ICS845204 General Description T...
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ICS845204
ICS845204

Overview
ADVANCE INFORMATION CRYSTAL-TO-MLVDS PCI EXPRESS™ CLOCK SYNTHESIZER W/SPREAD SPECTRUM ICS845204 General Description The ICS845204 is a 4 output PCI Express clock ICS synthesizer optimized to generate low jitter PCI HiPerClockS™ Express™ reference clocks with or without spread spectrum modulation and is a member of the HiPerClockS™ family of high performance clock solutions from IDT.
Spread type and amount can be configured via the SSC control pins.
Using a 25MHz, 18pF parallel resonant crystal, the device will generate M-LVDS clocks at either 25MHz, 100MHz, 125MHz or 250MHz.
The ICS845204 uses a low jitter VCO that easily meets PCI Express jitter requirements and is packaged in a 32-pin VFQFN package.
Pin Assignment Q0 nQ0 GND OE1 VDDA nc Q1 nQ1 OE0 VDD nQ3 Q3 VDDO nc FSEL0 nc 32 31 30 29 28 27 26 25 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 10 11 12 13 14 15 16 nc nc GND Q2 nQ2 SSC1 nc GND Features • Four differential spread spectrum clock outputs • Each output can be individu...


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