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IDT49FCT20805

2.5V CMOS DUAL 1-TO-5 CLOCK DRIVER

INDUSTRIALTEMPERATURERANGE

MAY 2010

2007 Integrated Device Technology, Inc.

DSC-6172/113

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IDT49FCT20805

INDUSTRIAL TEMPERATURE RANGE

2.5V CMOS DUAL

1-TO-5 CLOCK DRIVER

FUNCTIONAL BLOCK DIAGRAM

FEATURES:

• Advanced CMOS Technology

• Guaranteed low skew < 200ps (max.)

• Very low propagation delay < 2.5ns (max)

• Very low duty cycle distortion < 270ps (max)

• Very low CMOS power levels

• Operating frequency up to 166MHz

• TTL compatible inputs and outputs

• Two independent output banks with 3-state control

• 1:5 fanout per bank

• "Heartbeat" monitor output

• Available in SSOP, QSOP, and VFQFPN packages

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

DESCRIPTION:

The FCT20805 is a 2.5 volt clock driver built using advanced CMOS

technology. Thedeviceconsistsoftwobanksofdrivers,eachwitha1:5fanout

and its own output enable control. The device has a "heartbeat" monitor for

diagnostics and PLL driving. The MON output is identical to all other outputs

andcomplieswiththeoutputspecificationsinthisdocument. TheFCT20805

offerslowcapacitanceinputs.

TheFCT20805isdesignedforhighspeedclockdistributionwheresignal

qualityandskewarecritical. TheFCT20805alsoallowssinglepoint-to-point

transmissionlinedrivinginapplicationssuchasaddressdistribution,whereone

signalmustbedistributedtomultiplerecieverswithlowskewandhighsignal

quality.

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MON

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