Datasheet > PI6C3991-5JI

PI6C3991-5JI

更新时间： 2024-09-29 23:27:39

品牌	Logo	应用领域
其他 - ETC		时钟驱动器
页数	文件大小	规格书
12页	449K
描述
Eight Distributed-Output Clock Driver

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中文翻译

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数据手册

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PI6C3991-5JI 数据手册

PI6C3991

3.3V High Speed Low-Voltage

Programmable Skew Clock Buffer

SuperClock^TM

Features

Description

All output pair skew <100ps typical (250 Max.)

3.75 MHz to 80 MHz output operation

User-selectable output functions

Selectable skew to 18ns

ThePI6C3991offersselectablecontroloversystemclockfunctions.

These multiple-output clock drivers provide the system integrator

withfunctionsnecessarytooptimizethetimingofhigh-performance

computer systems. Eight individual drivers, arranged as four pairs

ofuser-controllableoutputs,caneachdriveterminatedtransmission

lineswithimpedancesaslowas50Ohmwhiledeliveringminimaland

specified output skews and full-swing logic levels (LVTTL).

Inverted and Non-Inverted

Operation at ½ and ¼ input frequency

Each output can be hardwired to one of nine delay or function

configurations.Delayincrementsof0.7nsto1.5nsaredeterminedby

theoperatingfrequencywithoutputsabletoskewupto±6timeunits

fromtheirnominalzeroskewposition.Thecompletelyintegrated

PLL allows external load and transmission line delay effects to be

canceled. The user can create output-to-output delays of up to ±12

time units.

Operation at 2X and 4X input frequency

(input as low as 3.75 MHz)

Zero input-to-output delay

50% duty-cycle outputs

LVTTL outputs drive 50 Ohm terminated lines

Operates from a single 3.3V supply

Low operating current

Divide-by-twoanddivide-by-fouroutputfunctionsareprovidedfor

additional flexibility in designing complex clock systems. When

combinedwiththeinternalPLL,thesedividefunctionsallowdistri-

butionofalow-frequencyclockthatcanbemultipliedbytwoorfour

at the clock destination. This facility minimizes clock distribution

difficulty while allowing maximum system user-clock speed and

flexibility.

Availablein32-pinPLCC(J)package

Jitter < 200ps peak-to-peak (< 25ps RMS)

LogicBlockDiagram

PinConfiguration

Test

Phase

Freq.

DET

VCO and

Time Unit

Generator

Filter

REF

32 31 30

3F1

4F0

4F1

2F0

GND

1F1

1F0

4Q0

4Q1

4F0

4F1

CCQ

32-Pin

Select Inputs

(three level)

CCN

4Q1

CCN

Skew

3Q0

3Q1

1Q0

1Q1

GND

3F0

3F1

4Q0

Select

GND

2Q0

2Q1

2F0

2F1

Matrix

14 15 16 17 18 19 20

1Q0

1Q1

1F0

1F1

PS8450

01/27/00

12 3 4 5 6 7...12

中文翻译

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与PI6C3991-5JI相关器件

型号	品牌	获取价格	描述	数据表
PI6C3991-5JIE	PERICOM	获取价格	PLL Based Clock Driver, 6C Series, 8 True Output(s), 0 Inverted Output(s), PQCC32, PLASTIC
PI6C3991A	ETC	获取价格	Clock IC \| 750ps Accuracy. 3.3V. LVTTL. 3.75 to 80 MHz
PI6C3991A-2	ETC	获取价格	Clock IC \| 250ps Accuracy. 3.3V. LVTTL. 3.75 to 80 MHz
PI6C3991A-5	ETC	获取价格	Clock IC \| 500ps Accuracy. 3.3V. LVTTL. 3.75 to 80 MHz
PI6C3991A-5I	ETC	获取价格	Clock IC \| 500ps Accuracy. 3.3V. LVTTL. 3.75 to 80 MHz. Industrial Temp. Operation
PI6C3991A-5IJ	PERICOM	获取价格	PLL Based Clock Driver, 6C Series, 8 True Output(s), 0 Inverted Output(s), CMOS, PQCC32, P
PI6C3991A-5J	PERICOM	获取价格	PLL Based Clock Driver, 6C Series, 8 True Output(s), 0 Inverted Output(s), CMOS, PQCC32, P
PI6C3991A-I	ETC	获取价格	Clock IC \| 750ps Accuracy. 3.3V. LVTTL. 3.75 to 80 MHz. Industrial Temp. Operation
PI6C3991A-IJ	PERICOM	获取价格	PLL Based Clock Driver, 6C Series, 8 True Output(s), 0 Inverted Output(s), CMOS, PQCC32, P
PI6C3991AJ	PERICOM	获取价格	暂无描述

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