Datasheet > IDT5T9891NLG

IDT5T9891NLG

更新时间： 2024-11-21 01:11:07

品牌	Logo	应用领域
艾迪悌 - IDT		可编程只读存储器电动程控只读存储器电可擦编程只读存储器驱动
页数	文件大小	规格书
37页	286K
描述
EEPROM PROGRAMMABLE 2.5V PROGRAMMABLE SKEW PLL DIFFERENTIAL CLOCK DRIVER

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IDT5T9891NLG 数据手册

IDT5T9891

INDUSTRIALTEMPERATURERANGE

EEPROMPROGRAMMABLE2.5VPROGRAMMABLESKEWPLLDIFFERENTIAL

EEPROM PROGRAMMABLE 2.5V

IDT5T9891

PROGRAMMABLE SKEW PLL

DIFFERENTIAL CLOCK DRIVER

FEATURES:

DESCRIPTION:

• 2.5VDD

The IDT5T9891is a 2.5VPLLdifferentialclockdriverintendedforhigh

performance computing and data-communications applications. A key

featureoftheprogrammableskewis theabilityofoutputs toleadorlagthe

REFinputsignal.TheIDT5T9891has sixdifferentialprogrammableskew

outputsinsixbanks,includingadedicateddifferentialfeedbackthroughthe

• 6 pairs of programmable skew outputs

• Low skew: 100ps all outputs at same interface level, 250ps all

outputs at different interface levels

• Selectable positive or negative edge synchronization

• Tolerant of spread spectrum input clock

• Synchronous output enable

use ofJTAGorI Cprogramming. The redundantinputcapabilityallows

fora smoothchange overtoa secondaryclocksource whenthe primary

clocksource is absent.

• Selectable inputs

• Input frequency: 4.17MHz to 250MHz

• Output frequency: 12.5MHz to 250MHz

• Internal non-volatile EEPROM

TheclockdrivercanbeconfiguredthroughtheuseofJTAG/I²Cprogram-

ming. An internal EEPROM will allow the user to save and restore the

configurationofthedevice.

• JTAG or I C bus serial interface for programming

The feedbackbankallows divide-by-functionalityfrom1to12through

• Hot insertable and over-voltage tolerant inputs

• Feedback divide selection with multiply ratios of (1-6, 8, 10, 12)

• Selectable HSTL, eHSTL, 1.8V/2.5V LVTTL, or LVEPECL input

interface

• Selectable HSTL, eHSTL, or 1.8V/2.5V LVTTL output interface for

each output bank

• Selectable differential or single-ended inputs and six differen-

tial outputs

• PLL bypass for DC testing

• External differential feedback, internal loop filter

• Low Jitter: <75ps cycle-to-cycle, all outputs at same interface

level: <100ps cycle-to-cycle all outputs at different interface

levels

theuseofJTAGorI Cprogramming. Thisprovidestheuserwithfrequency

multiplication1to12withoutusingdividedoutputsforfeedback. Eachoutput

bank also allows for a divide-by functionality of 2 or 4.

The IDT5T9891 features a user-selectable, single-ended or differential

input to six differential outputs. The differential clock driver also acts as a

translatorfromadifferentialHSTL,eHSTL,1.8V/2.5VLVTTL,LVEPECL,or

single-ended1.8V/2.5VLVTTLinputtoHSTL,eHSTL,or1.8V/2.5VLVTTL

outputs. EachoutputbankcanbeindividuallyconfiguredtobeeitherHSTL,

eHSTL,2.5VLVTTL,or1.8VLVTTL,includingthefeedbackbank. Also,each

clockinputcanbeindividuallyconfiguredtoaccept2.5VLVTTL,1.8VLVTTL,

ordifferentialsignals. Theoutputscanbesynchronouslyenabled/disabled.The

differentialoutputscanbesynchronouslyenabled/disabled.

Furthermore,alltheoutputscanbesynchronizedwiththepositiveedge

of the REF clock input or the negative edge of REF.

• Power-down mode

• Lock indicator

• Available in VFQFPN package

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

INDUSTRIAL TEMPERATURE RANGE

NOVEMBER 2004

2004 Integrated Device Technology, Inc.

DSC - 6505/19

12 3 4 5 6 7...37

中文翻译

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与IDT5T9891NLG相关器件

型号	品牌	获取价格	描述	数据表
IDT5T9891NLGI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 5 True Output(s), 0 Inverted Output(s), PQCC68, GREEN,
IDT5T9891NLI	IDT	获取价格	PLL Based Clock Driver, 5T Series, 5 True Output(s), 0 Inverted Output(s), PQCC68, PLASTIC
IDT5T9891NLI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 5 True Output(s), 0 Inverted Output(s), PQCC68, PLASTIC
IDT5T9950APFGI	IDT	获取价格	PLL Based Clock Driver, 5T Series, 8 True Output(s), 0 Inverted Output(s), PQFP32, LEAD FR
IDT5T9950APFGI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 8 True Output(s), 0 Inverted Output(s), PQFP32, LEAD FR
IDT5T9955BFGI	IDT	获取价格	PLL Based Clock Driver, 5T Series, 8 True Output(s), 0 Inverted Output(s), PBGA96, GREEN,
IDT5T9955BFI	IDT	获取价格	PLL Based Clock Driver, 5T Series, 8 True Output(s), 0 Inverted Output(s), PBGA96, FBGA-96
IDT5T995APFI8	IDT	获取价格	Clock Driver, PQFP44
IDT5T995PFGI8	IDT	获取价格	Clock Driver, PQFP44
IDT5V10007PGG	IDT	获取价格	Clock Generator, 27MHz, CMOS, PDSO16, 4.40 MM, 0.65 MM PITCH, ROHS COMPLIANT, TSSOP-16

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