Datasheet > CSPT857DBVI8

CSPT857DBVI8

更新时间： 2023-05-15 00:00:00

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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CSPT857DBVI8 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CSPT857DBVI8相关器件

型号	品牌	获取价格	描述	数据表
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
CSPTRH-125.000	RALTRON	获取价格	PECL Output Clock Oscillator, 50MHz Min, 330MHz Max, 125MHz Nom, ROHS COMPLIANT, MINIATURE
CSPTRH-150.000	RALTRON	获取价格	PECL Output Clock Oscillator, 50MHz Min, 330MHz Max, 150MHz Nom, ROHS COMPLIANT, MINIATURE
CSPTRH-155.520	RALTRON	获取价格	PECL Output Clock Oscillator, 50MHz Min, 330MHz Max, 155.52MHz Nom, ROHS COMPLIANT, MINIAT

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