IDT5T995APFI8

更新时间： 2024-11-21 05:59:35

品牌	Logo	应用领域
艾迪悌 - IDT		时钟驱动时钟驱动器
页数	文件大小	规格书
10页	120K
描述
Clock Driver, PQFP44

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中文翻译

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IDT5T995APFI8 数据手册

IDT5T995/A

INDUSTRIALTEMPERATURERANGE

2.5VPROGRAMMABLESKEWPLLCLOCKDRIVERTURBOCLOCKII

2.5V PROGRAMMABLE

IDT5T995/A

SKEW PLL CLOCK DRIVER

TURBOCLOCK™ II

FEATURES:

DESCRIPTION:

• Ref input is 3.3V tolerant

The IDT5T995 is a high fanout 2.5V PLL based clock driver intended

forhighperformancecomputinganddata-communicationsapplications.A

keyfeatureoftheprogrammableskewistheabilityofoutputstoleadorlag

theREFinputsignal.TheIDT5T995haseightprogrammableskewoutputs

in four banks of 2. Skew is controlled by 3-level input signals that may be

hard-wired to appropriate high-mid-low levels.

• 4 pairs of programmable skew outputs

• Low skew: 185ps same pair, 250ps all outputs

• Selectable positive or negative edge synchronization:

Excellent for DSP applications

• Synchronous output enable

• Input frequency:

– Std: 2MHz to 160MHz

– A: 2MHz to 200MHz

• Output frequency:

– Std: 6MHz to 160MHz

The feedback input allows divide-by-functionality from 1 to 12 through

the use of the DS[1:0] inputs. This provides the user with frequency

multiplication from 1 to 12 without using divided outputs for feedback.

WhenthesOEpinisheldlow,alltheoutputsaresynchronouslyenabled.

However, if sOE is held high, all the outputs except 2Q0 and 2Q1 are

synchronouslydisabled. TheLOCKoutputassertstoindicatewhenPhase

Lock has been achieved.

Furthermore,whenPEisheldhigh,alltheoutputsaresynchronizedwith

thepositiveedgeoftheREFclockinput.WhenPEisheldlow,alltheoutputs

are synchronized with the negative edge of REF. The IDT5T995 has

LVTTL outputs with 12mA balanced drive outputs.

– A: 6MHz to 200MHz

• 3-level inputs for skew and PLL range control

• 3-level inputs for feedback divide selection multiply / divide

ratios of (1-6, 8, 10, 12) / (2, 4)

• PLL bypass for DC testing

• External feedback, internal loop filter

• 12mA balanced drive outputs

• Low Jitter: <100ps cycle-to-cycle

• Power-down mode

• Lock indicator

• Standard and A speed grades

• Available in TQFP package

PE TEST

FS LOCK

FUNCTIONALBLOCKDIAGRAM

sOE

REF

PLL

/ N

DS1:0

1F1:0

1Q0

1Q1

Skew

Select

2Q0

2Q1

Skew

2F1:0

3F1:0

4F1:0

Select

3Q0

3Q1

Skew

Select

4Q0

4Q1

Skew

Select

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

INDUSTRIAL TEMPERATURE RANGE

DECEMBER 2006

2006 Integrated Device Technology, Inc.

DSC 5850/7

12 3 4 5 6 7...10

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与IDT5T995APFI8相关器件

型号	品牌	获取价格	描述	数据表
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
IDT5V10007PGG8	IDT	获取价格	Clock Generator, 27MHz, CMOS, PDSO16, 4.40 MM, 0.65 MM PITCH, ROHS COMPLIANT, TSSOP-16
IDT5V19EE604	IDT	获取价格	EEPROM PROGRAMMABLE VCXO CLOCK GENERATOR
IDT5V19EE901	IDT	获取价格	EEPROM PROGRAMMABLE VCXO CLOCK GENERATOR
IDT5V19EE904	IDT	获取价格	EEPROM PROGRAMMABLE VCXO CLOCK GENERATOR
IDT5V2305	IDT	获取价格	2.5V TO 3.3V HIGH PERFORMANCE CLOCK BUFFER
IDT5V2305_10	IDT	获取价格	2.5V TO 3.3V HIGH PERFORMANCE CLOCK BUFFER
IDT5V2305NRGI	IDT	获取价格	暂无描述
IDT5V2305NRGI8	IDT	获取价格	Low Skew Clock Driver, 5V Series, 5 True Output(s), 0 Inverted Output(s), PQCC16, GREEN, T

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