IDTCSPT857DPFI

更新时间： 2024-11-14 23:13:59

品牌	Logo	应用领域
艾迪悌 - IDT		时钟驱动器动态存储器
页数	文件大小	规格书
15页	138K
描述
2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER

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IDTCSPT857DPFI 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 and TVSOP, 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-6835/3

12 3 4 5 6 7...15

中文翻译

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与IDTCSPT857DPFI相关器件

型号	品牌	获取价格	描述	数据表
IDTCSPT857DVFQFPN	IDT	获取价格	2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPT857DVFQFPNI	IDT	获取价格	2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPT857PA	IDT	获取价格	2.5V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPT857PA8	IDT	获取价格	PLL Based Clock Driver, CSPT857 Series, 10 True Output(s), 0 Inverted Output(s), PDSO48, T
IDTCSPT857PAI	IDT	获取价格	2.5V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPT857PAI8	IDT	获取价格	PLL Based Clock Driver, CSPT857 Series, 10 True Output(s), 0 Inverted Output(s), PDSO48, T
IDTCSPU877A	IDT	获取价格	1.8V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPU877ABV	IDT	获取价格	1.8V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPU877ABVG	IDT	获取价格	1.8V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
IDTCSPU877ABVG8	IDT	获取价格	PLL Based Clock Driver, 877 Series, 10 True Output(s), 0 Inverted Output(s), PBGA52, GREEN

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