Datasheet > PRC207560M/680M

PRC207560M/680M

更新时间： 2024-02-01 00:04:23

品牌	Logo	应用领域
CALMIRCO		LTE 时钟
页数	文件大小	规格书
2页	33K
描述
CLOCK TERMINATOR AND LOCAL EMI/RFI FILTER

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PRC207560M/680M 数据手册

CALIFORNIA MICRO DEVICES

PRC207

Clock Terminator and Local EMI/RFI Filter

Features

Applications

• Filters at source of emissions

• Stable resistor-capacitor network

• Ideal for high-speed logic

• Clock termination

• Point of contact filtering

• Low pass filtering

• EMI/RFI filtering

• Low lead inductance

• Reduces board space compared to discretes

• 3-Pin SOT-23 package

Product Description

High speed microprocessors like Intel’s Pentium^®, DEC’s

Alpha, Motorola’s 68K and PowerPC, Sun’s SPARC,

MIPs, and other RISC-based systems require well-

controlled and precise clock signals to maintain a high

performance synchronous system. However, very fast

edge rated clock signals exhibit transmission line effects

on the clock lines resulting in undershoot and overshoot

disturbances.

These networks are fabricated on a silicon substrate

using advanced thin film technology. They have low

parasitic inductance compared to discrete and conven-

tional thick film filters and provide effective AC termina-

tion and EMI/RFI noise suppression over a wide range of

frequencies.

Why thin film RC networks? The PRC207 is an inte-

grated RC network fabricated on a silicon substrate

using advanced thin film technology. This technology

insures a fixed time constant and does not create

additional skew on the clock lines. It offers very low

parasitic inductance compared to conventional discrete

thick film-based approaches and provides effective

termination at high frequencies.

CAMD’s PRC207 SOT resistor-capacitor integrated thin

film networks are specifically designed to eliminate

transmission line effects on high speed clock and data

lines. They are effective in suppressing EMI/RFI noise at

I/O ports and can also be used as “distributed” AC

terminators when filtered lines are dispersed across the

board.

SCHEMATIC CONFIGURATION

PRC207

C1720101

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

2/14/2001

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