ICS93735 datasheet(1/9 Pages) RENESAS

No. de pieza	ICS93735

Descripción Electrónicos	Low Cost DDR Phase Lock Loop Zero Delay Buffer

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Fabricante Electrónico	RENESAS [Renesas Technology Corp]

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ICS93735

IDTTM/ICSTM Low Cost DDR Phase Lock Loop Zero Delay Buffer

ICS93735

REV F 02/11/07

Low Cost DDR Phase Lock Loop Zero Delay Buffer

DATASHEET

Description

Output Features

DDR Zero Delay Clock Buffer

•

Low skew, low jitter PLL clock driver

•I

2C for functional and output control

•

Feedback pins for input to output synchronization

•

Spread Spectrum tolerant inputs

•

3.3V tolerant CLK_INT input

Key Specifications

•

PEAK - PEAK jitter (66MHz): <120ps

•

PEAK - PEAK jitter (>100MHz): <75ps

•

CYCLE - CYCLE jitter (66MHz):<110ps

•

CYCLE - CYCLE jitter (>100MHz):<65ps

•

OUTPUT - OUTPUT skew: <100ps

•

Output Rise and Fall Time: 650ps - 950ps

•

DUTY CYCLE: 49.5% - 50.5%

•

48-pin SSOP package

•

Available in RoHS compliant packaging

Pin Configuration

Funtional Block Diagram

48-pin SSOP

FB_INT

CLK_INT

PLL

SCLK

SDATA

Control

Logic

FB_OUTT

CLKT0

CLKT1

CLKT2

CLKT3

CLKT4

CLKT5

CLKT6

CLKT7

CLKT8

CLKT9

CLKC0

CLKC1

CLKC2

CLKC3

CLKC4

CLKC5

CLKC6

CLKC7

CLKC8

CLKC9

AVDD

CLK_INT

CLKT

CLKC

FB_OUTT

2.5V (nom)

L

H

L

on

2.5V (nom)

H

L

H

on

2.5V (nom)

< offset freq*

offset freq* offset freq* offset freq*

off

GND

L

H

L

Bypassed/off

GND

H

L

H

Bypassed/off

* The offset frequency is ~ 20 MHz, varying somewhat from part to part.

INPUTS

OUTPUTS

PLL State

Funtionality Table

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ICS93735 Datasheet(PDF) 1 Page - Renesas Technology Corp

ICS93735 Datasheet(HTML) 1 Page - Renesas Technology Corp

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