Datasheet > CSPT857DBV8

CSPT857DBV8

更新时间： 2023-01-02 23:55:30

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
15页	138K
描述
Clock Driver, PBGA56

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CSPT857DBV8 数据手册

IDTCSPT857D

COMMERCIALANDINDUSTRIALTEMPERATURERANGES

2.5V-2.6V PLLDIFFERENTIAL1:10SDRAMCLOCKDRIVER

2.5V - 2.6V PHASE LOCKED

LOOP DIFFERENTIAL 1:10

SDRAM CLOCK DRIVER

IDTCSPT857D

FEATURES:

DESCRIPTION:

• 1 to 10 differential clock distribution

• Optimized for clock distribution in DDR (Double Data Rate)

SDRAM applications requiring improved output crosspoint

voltage

TheCSPT857DisaPLLbasedclockdriverthatactsasazerodelaybuffer

todistributeonedifferentialclockinputpair(CLK,CLK)to10differentialoutput

pairs(Y[0:9],Y[0:9])andonedifferentialpairoffeedbackclockoutput(FBOUT,

FBOUT). External feedback pins (FBIN, FBIN) for synchronization of the

outputs to the input reference is provided. A CMOS Enable/Disable pin is

available for low power disable. When the input frequency falls below

approximately20MHz,thedevicewillenterpowerdownmode. Inthismode,

thereceiversaredisabled,thePLListurnedoff,andtheoutputclockdrivers

aretristated,resultinginacurrentconsumptionoflessthan200µA.

TheCSPT857Drequiresnoexternalcomponentsandhasbeenoptimised

forverylowI/Ophaseerror,skew,andjitter,whilemaintainingfrequencyand

duty cycleovertheoperatingvoltageandtemperaturerange.TheCSPT857D,

designedforuseinbothmoduleassembliesandsystemmotherboardbased

solutions,providesanoptimumhigh-performanceclocksource.

• Operating frequency: 60MHz to 220MHz

• Very low skew:

– <100ps for PC1600 - PC2700

– <75ps for PC3200

• Very low jitter:

– <75ps for PC1600 - PC2700

– <50ps for PC3200

• 2.5V AV^DDand 2.5V VDDQ for PC1600-PC2700

• 2.6V AVDD and 2.6V VDDQ for PC3200

• CMOS control signal input

• Test mode enables buffers while disabling PLL

• Low current power-down mode

• Tolerant of Spread Spectrum input clock

• Available in 48-pin TSSOP, 40-pin VFQFPN, and 56-pin VFBGA

packages

The CSPT857D is available in Commercial Temperature Range (0°C to

+70°C)andIndustrialTemperatureRange(-40°Cto+85°C). SeeOrdering

Informationfordetails.

APPLICATIONS:

• Meets or exceeds JEDEC standard JESD 82-1A for registered

DDR clock driver

• Meets proposed DDR1-400 specification

• For all DDR1 speeds: PC1600 (DDR200), PC2100 (DDR266),

PC2700 (DDR333), PC3200 (DDR400)

• Along with SSTV16857, SSTVF16857, SSTV16859, SSTVM16859,

SSTVF16859, SSTVN16859, DDR1 register, provides complete

solution for DDR1 DIMMs

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

OCTOBER 2003

2003 Integrated Device Technology, Inc.

DSC-6835/5

12 3 4 5 6 7...15

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与CSPT857DBV8相关器件

型号	品牌	获取价格	描述	数据表
CSPT857DBVGI	IDT	获取价格	Clock Driver, PBGA56
CSPT857DBVI	IDT	获取价格	Clock Driver, PBGA56
CSPT857DBVI8	IDT	获取价格	Clock Driver, PBGA56
CSPT857DNL8	IDT	获取价格	Clock Driver, PQCC40
CSPT857DPAGI	IDT	获取价格	TSSOP-48, Tube
CSPT857DPAGI8	IDT	获取价格	TSSOP-48, Reel
CSPT857DPAI	IDT	获取价格	Clock Driver, PDSO48
CSPT857DPAI8	IDT	获取价格	Clock Driver, PDSO48
CSPTRH	RALTRON	获取价格	CLOCK OSCILLATOR, PECL, +3.3 VDC or +2.5VDC
CSPTRH-106.250	RALTRON	获取价格	PECL Output Clock Oscillator, 50MHz Min, 330MHz Max, 106.25MHz Nom, ROHS COMPLIANT, MINIAT

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