MC10E197

更新时间： 2024-01-06 11:02:00

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
16页	220K
描述
DATA SEPARATOR

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中文翻译

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数据手册

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MC10E197 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC10E197 is an integrated data separator designed for use in

high speed hard disk drive applications. With data rate capabilities of up

to 50Mb/s the device is ideally suited for today’s and future

state-of-the-art hard disk designs.

The E197 is typically driven by a pulse detector which reads the

magnetic information from the storage disk and changes it into ECL

pulses. The device is capable of operating on both 2:7 and 1:7 RLL

coding schemes. Note that the E197 does not do any decoding but rather

prepares the disk data for decoding by another device.

DATA SEPARATOR

For applications with higher data rate needs, such as tape drive

systems, the device accepts an external VCO. The frequency capability

of the integrated VCO is the factor which limits the device to 50Mb/s.

A special anti-equivocation circuit has been employed to ensure timely

lock-up when the arriving data and VCO edges are coincident.

Unlike the majority of the devices in the ECLinPS family, the E197 is

available in only 10H compatible ECL. The device is available in the

standard 28-lead PLCC.

Since the E197 contains both analog and digital circuitry, separate

supply and ground pins have been provided to minimize noise coupling

inside the device. The device can operate on either standard negative

ECL supplies or, as is more common, on positive voltage supplies.

FN SUFFIX

PLASTIC PACKAGE

CASE 776-02

• 2:7 and 1:7 RLL Format Compatible

• Fully Integrated VCO for 50Mb/s Operation

• External VCO Input for Higher Operating Frequency

• Anti-equivocation Circuitry to Ensure PLL Lock

LOGIC DIAGRAM

RDEN

PHASE FREQUENCY

DETECTOR

REFCLK

CAP1

CAP2

VCOIN

INTERNAL

VCO

CHARGE

PUMP

CURRENT-

SOURCES

PUMPUP

PUMPDN

PHASE

DETECTOR

MUX

VCO

MUX

EXTVCO

DATA

PHASE

DETECTOR

RSETUP

RSETDN

ENVCO

RAWD

RDATA

RDCLK

CLOCK &

DATA

BUFFER

ACQ

ACQUISITION

CIRCUITRY

TYPE

This document contains information on a new product. Specifications and information herein are subject to

change without notice.

12/93

REV 2

2–1

Motorola, Inc. 1996

12 3 4 5 6 7...16

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