5V49EE501NLGI8 用户编程手册 - Integrated Device Technology

KEY FEATURES

•3.3Vdevicewithuptofourindependently

 controlledVDDO(1.8V-3.3V)

•TwooffourintegratedPLLssupportspread

 spectrumgenerationforEMIreduction

•IntegratedVCXO

•Outputfrequencyrange:4.9kHzto500MHz

 –1.8-3.3VLVTTL/LVCMOS

 –LVPECL,LVDSandHCSL

VERSACLOCK III SOFTWARE

OPTIMIZES CONFIGURATIONS

•Automaticanalysisandadjustmentofspread

 spectrum,loopbandwidthsandoutputs

•Providesclocktopinlockingand

 multi-registerconfiguration

•Bit-levelmanipulation

•DirectsoftwareinterfacewithVersaClockIII

 evaluationboard

•

Freedownloadfromwww.idt.com/go/versaclock3

VersaClock

®

buffers with a single timing device. Exceptional versatility and configurability allow for maximum freedom in

the design process.

There are four internal PLLs, each individually programmable, allowing for up to seven unique frequencies.

These frequencies are generated from a single reference clock, which can come from one of two redundant

during normal operation.

VersaClock devices are highly configurable and can be programmed through the use of the I

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