Datasheet > SSI34P3214

SSI34P3214

更新时间： 2024-11-21 20:10:43

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
2页	43K
描述
SSI34P3214

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SSI34P3214 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.84
Base Number Matches：	1

SSI34P3214 数据手册

SSI 34P3214

Read Channel for High Density

Floppy and Disk/Tape Drives

Prototype

February 1998

DESCRIPTION

FEATURES

The SSI 34P3214 is a high performance BiCMOS

single chip read channel IC that contains all the

functions needed to implement zoned recording for

high density floppy disk drive and tape applications.

Functional blocks include the pulse detector,

programmable filter, servo demodulator, time base

generator, and data synchronizer. VCO range of

0.6 MHz to 13 MHz is selectable through the serial

port. Programmable functions of the SSI 34P3214

device are controlled through a bi-directional serial port

and banks of internal registers. This allows zoned

recording applications to be supported without

changing external component values from zone to

zone. The SSI 34P3214 utilizes an advanced BiCMOS

process technology along with advanced circuit design

techniques which result in a high performance device

with low power consumption. The SSI 34P3214

supports a sleep mode for minimal power dissipation

in non-operational periods. The SSI 34P3214 is

available in a 64-lead TQFP package.

•

Complete zoned recording application support

VCO range: 0.6 MHz to 13 MHz selectable

through the serial port

•

Supports 1,7 RLL, MFM, FM, and GCR encoding

format

Fast attack/decay modes for rapid AGC

recovery

Dual rate charge pump for fast transient

recovery

Programmable cutoff frequency of 0.4 to

4 MHz in data mode and servo mode

•

Tracking threshold for rapid LEVEL discharge

Time base generator with better than 1%

frequency resolution

•

Fast acquisition phase lock loop with zero

phase restart technique

Fully integrated data synchronizer with

programmable window shift control

•

4-burst servo capture with A, B, C, D outputs

Bi-directional serial port for register access

(sleep mode <8 mW)

•

Separate settings for filter cut-off, filter boost,

AGC bypass capacitor and hysteresis

threshold for data mode and servo mode

•

Low operating power (400 mW typical @ 5 V)

02/23/98 - rev.

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