Datasheet > 2308-4PGI

2308-4PGI

更新时间： 2023-01-03 08:45:26

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
13页	162K
描述
Clock Driver, PDSO16

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数据手册

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2308-4PGI 数据手册

IDT2308

3.3VZERODELAYCLOCKMULTIPLIER

COMMERCIALANDINDUSTRIALTEMPERATURERANGES

3.3V ZERO DELAY

CLOCK MULTIPLIER

IDT2308

FEATURES:

DESCRIPTION:

• Phase-Lock Loop Clock Distribution for Applications ranging

from 10MHz to 133MHz operating frequency

• Distributes one clock input to two banks of four outputs

• Separate output enable for each output bank

• External feedback (FBK) pin is used to synchronize the outputs

to the clock input

The IDT2308 is a high-speed phase-lock loop (PLL) clock multiplier. It is

designedtoaddresshigh-speedclockdistributionandmultiplicationapplica-

tions.Thezerodelayisachievedbyaligningthephasebetweentheincoming

clockandtheoutputclock,operablewithintherangeof10to133MHz.

TheIDT2308hastwobanksoffouroutputseachthatarecontrolledviatwo

selectaddresses.Byproperselectionofinputaddresses,bothbankscanbe

put in tri-state mode. In test mode, the PLL is turned off, and the input clock

directlydrives theoutputs forsystemtestingpurposes.Intheabsenceofan

inputclock,theIDT2308enterspowerdown,andtheoutputsaretri-stated.In

this mode,thedevicewilldrawless than25µA.

• Output Skew <200 ps

• Low jitter <200 ps cycle-to-cycle

• 1x, 2x, 4x output options (see table):

– IDT2308-1 1x

– IDT2308-2 1x, 2x

– IDT2308-3 2x, 4x

– IDT2308-4 2x

The IDT2308 is available in six unique configurations for both pre-

scaling and multiplication of the Input REF Clock. (See available options

table.)

– IDT2308-1H, -2H, and -5H for High Drive

• No external RC network required

• Operates at 3.3V VDD

ThePLLisclosedexternallytoprovidemoreflexibilitybyallowingtheuser

tocontrolthedelaybetweentheinputclockandtheoutputs.

TheIDT2308ischaracterizedforbothIndustrialandCommercialoperation.

• Available in SOIC and TSSOP packages

NOTE: For new designs, refer to AN-233.

FUNCTIONALBLOCKDIAGRAM

(-3, -4)

FBK

REF

CLKA1

PLL

(-5)

CLKA2

CLKA3

CLKA4

Control

Logic

(-2, -3)

CLKB1

CLKB2

CLKB3

CLKB4

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

MARCH 2006

2006 Integrated Device Technology, Inc.

DSC 5173/11

12 3 4 5 6 7...13

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