Datasheet > IDT5V991A-2JC

IDT5V991A-2JC

更新时间： 2024-11-28 23:57:55

品牌	Logo	应用领域
其他 - ETC		时钟驱动器输出元件
页数	文件大小	规格书
8页	161K
描述
EIGHT DISTRIBUTED-OUTPUT CLOCK DRIVER\|LDCC\|32PIN\|PLASTIC

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数据手册

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IDT5V991A-2JC 数据手册

IDT5V991A

COMMERCIALANDINDUSTRIALTEMPERATURERANGES

3.3VPROGRAMMABLESKEWPLLCLOCKDRIVERTURBOCLOCK

3.3V PROGRAMMABLE

SKEW PLL CLOCK DRIVER

TURBOCLOCK™

IDT5V991A

FEATURES:

DESCRIPTION

•

REFis 5Vtolerant

The IDT5V991Ais a highfanout3.3VPLLbasedclockdriverintended

forhighperformancecomputinganddata-communicationsapplications.A

keyfeatureoftheprogrammableskewistheabilityofoutputstoleadorlag

the REF input signal. The IDT5V991A has eight programmable skew

outputs infourbanks of2.Skewis controlledby3-levelinputsignals that

may be hard-wired to appropriate HIGH-MID-LOW levels.

4pairs ofprogrammable skewoutputs

Low skew: 200ps same pair, 250ps all outputs

Selectable positive ornegative edge synchronization:

ExcellentforDSPapplications

Synchronous outputenable

Outputfrequency: 3.75MHzto85MHz

2x, 4x, 1/2, and 1/4 outputs

3 skew grades:

IDT5V991A -2: tSKEW0<250ps

IDT5V991A -5: tSKEW0<500ps

IDT5V991A -7: tSKEW0<750ps

3-level inputs for skew and PLL range control

PLL bypass for DC testing

Externalfeedback,internalloopfilter

12mAbalanceddrive outputs

LowJitter: <200ps peak-to-peak

Industrialtemperaturerange

•

Whenthe GND/sOE pinis heldlow,allthe outputs are synchronously

enabled.However,ifGND/sOEisheldhigh,alltheoutputsexcept3Q0and

3Q1 are synchronously disabled.

Furthermore, when the VCCQ/PE is held high, all the outputs are

synchronizedwiththe positive edge ofthe REFclockinput.WhenVCCQ/

PEis heldlow,allthe outputs are synchronizedwiththe negative edge of

REF. BothdeviceshaveLVTTLoutputswith12mAbalanceddriveoutputs.

•

Available in 32-pin PLCC Package

FUNCTIONALBLOCKDIAGRAM

GND/sOE

1Q0

Skew

Select

1Q1

1F1:0

VCCQ/PE

2Q0

2Q1

Skew

Select

REF

PLL

2F1:0

3Q0

3Q1

Skew

Select

3F1:0

4Q0

4Q1

Skew

Select

4F1:0

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

AUGUST 2000

2000 Integrated Device Technology, Inc.

DSC-5408

12 3 4 5 6 7 8

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IDT5V991A-2JGI	IDT	获取价格	3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK
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IDT5V991A-5JGI	IDT	获取价格	3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK
IDT5V991A-5JI	IDT	获取价格	3.3V PROGRAMMABLE SKEW PLL CLOCK DRIVER TURBOCLOCK