Datasheet > ICS9219YGLF-T

ICS9219YGLF-T

更新时间： 2024-09-28 22:09:43

品牌	Logo	应用领域
矽成 - ICSI		晶体时钟发生器外围集成电路光电二极管
页数	文件大小	规格书
8页	81K
描述
Direct Rambus Clock Generator Lite

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中文翻译

获取价格

数据手册

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ICS9219YGLF-T 数据手册

ICS9219

Integrated

Circuit

Systems,Inc.

Direct Rambus™ Clock Generator Lite

General Description

Features

•

Compatible with all Direct Rambus based ICs

ICS9219 is a High-speed clock generator providing 400 or

533 MHz differential clock source for direct Rambus

memory system. ICS9219 takes a crystal as an input

reference source, and produces the differential output

clock required for the Rambus channel. ICS9219 provides

a solution for a broad range of Direct Rambus memory

applications. ICS9219 can be used in single or dual

Rambus channels. An additional LVCMOS output, which

provides a reference clock at the crystal frequency for the

other system blocks is also included.

Provides differential clock source for direct

Rambus memory system with 1GHz data transfer

rate capability

•

Cycle to Cycle jitter is less than 100ps

3.3V + 4% supply

LVCMOS REF clock @ crystal frequency

Output edge rate control to minimize EMI

Block Diagram

Pin Configuration

FS0

VDDT 1

GND 2

X2 3

16 FS0*

15 VDD

14 GND

13 BUSCLKT

12 BUSCLKC

11 GND

10 VDD

9 FS2*

Xtal

OSC

BUSCLKT

PLL

BUSCLKC

X1 4

VDD 5

REF 6

GND 7

FS1* 8

REF

VDDT

FS1

FS2

Control

Logic

16-Pin 173 mil TSSOP

* Pins have 60K internal pull-up to VDD

Table 1. PLL Multiplier Selection and Output Frequency

BUSCLK¹

FS0

Mult

400.00

21.33²

533.30

Notes:

1 Output frequencies are based on 25MHz XTAL Input

multipliers are also applicable to spread spectrum modulated input clocks.

2 Default muliplier value at power up.

0931B—10/25/04

12 3 4 5 6 7 8

中文翻译

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