IDT728981

更新时间： 2024-11-19 04:58:31

品牌	Logo	应用领域
艾迪悌 - IDT		开关
页数	文件大小	规格书
10页	81K
描述
TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128

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中文翻译

获取价格

数据手册

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IDT728981 数据手册

IDT728981

TIME SLOT INTERCHANGE

DIGITAL SWITCH

128 x 128

outputs,eachofwhichconsistsof32channels(64Kbit/sperchannel)toform

amultiplexed2.048Mb/sstream.

ꢀEATURES:

•

128 x 128 channel non-blocking switch

Serial Telecom Bus Compatible (ST-BUS^®)

4 RX inputs—32 channels at 64 Kbit/s per serial line

4 TX output—32 channels at 64 Kbit/s per serial line

Three-state serial outputs

ꢀUNCTIONALDESCRIPTION

AfunctionalblockdiagramoftheIDT728981deviceisshownbelow. The

serial streamsoperatecontinuouslyat2.048Mb/sandarearrangedin125µs

wideframeseachcontaining32,8-bitchannels. Fourinput(RX0-3)andfour

output(TX0-3)serialstreamsareprovidedintheIDT728981deviceallowing

acomplete128x128channelnon-blockingswitchmatrixtobeconstructed.

The serial interface (C4i) clock for the device is 4.096 MHz.

Thereceivedserialdataisinternallyconvertedtoaparallelformatbytheon

chipserial-to-parallelconvertersandstoredsequentiallyina128-positionData

Memory.Byusinganinternalcounterthatisresetbytheinput8KHzframepulse,

F0i, the incoming serial data streams can be framed and sequentially ad-

dressed.

Microprocessor Interface (8-bit data bus)

5V Power Supply

Available in 44-pin Plastic Leaded Chip Carrier (PLCC), 40-pin

Plastic Dip (P-DIP) and 44-pin Plastic Quad Flatpack (PQFP)

Operating Temperature Range -40°C to +85°C

•

DESCRIPTION:

The IDT728981 is a ST-BUS^®compatible digital switch controlled by a

microprocessor. TheIDT728981canhandleasmanyas128,64Kbit/sinput

andoutputchannels. Those128channelsaredividedinto4serialinputsand

ꢀUNCTIONAL BLOCK DIAGRAM

ODE

C4i

F0i

VCC GND

Timing

Unit

Output MUX

RX0

RX1

TX0

TX1

TX2

TX3

Transmit

Serial Data

Streams

Receive

Serial Data

Streams

Data

Memory

RX2

RX3

Connection

Memory

Control Register

Microprocessor Interface

5703 drw01

A0/

R/W

D0/

DTA

JANUARY 2001

2001 Integrated Device Technology, Inc.

DSC-5703/1

12 3 4 5 6 7...10

中文翻译

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与IDT728981相关器件

型号	品牌	获取价格	描述	数据表
IDT728981DB	IDT	获取价格	TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
IDT728981DBG	IDT	获取价格	暂无描述
IDT728981J	IDT	获取价格	TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
IDT728981JG	IDT	获取价格	Digital Time Switch, PQCC44, 0.650 X 0.650 INCH, 1.27 MM PITCH, PLASTIC, LCC-44
IDT728981JG8	IDT	获取价格	Digital Time Switch, PQCC44, 0.650 X 0.650 INCH, 1.27 MM PITCH, PLASTIC, LCC-44
IDT728981P	IDT	获取价格	TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
IDT728981PG	IDT	获取价格	Digital Time Switch, PDIP40, 2.050 X 0.600 INCH, 0.100 INCH PITCH, PLASTIC, DIP-40
IDT728985	IDT	获取价格	TIME SLOT INTERCHANGE DIGITAL SWITCH
IDT728985DB	IDT	获取价格	暂无描述
IDT728985J	IDT	获取价格	Digital Time Switch, PQCC44, 0.650 X 0.650 INCH, 1.27 MM PITCH, PLASTIC, LCC-44