Datasheet > 72V8980DBG

72V8980DBG

更新时间： 2024-09-29 20:08:39

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
11页	83K
描述
Digital Time Switch

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中文翻译

获取价格

技术参数
数据手册

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72V8980DBG 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	风险等级：	5.59
峰值回流温度（摄氏度）：	260	处于峰值回流温度下的最长时间：	30
Base Number Matches：	1

72V8980DBG 数据手册

3.3 VOLT TIME SLOT INTERCHANGE

DIGITAL SWITCH

IDT72V8980

256 x 256

andoutputchannels. Those256channelsaredividedinto8serialinputsand

outputs,eachofwhichconsistsof32channels(64Kbit/sperchannel)toform

amultiplexed2.048Mb/sstream.

FEATURES:

•

256 x 256 channel non-blocking switch

Serial Telecom Bus Compatible (ST-BUS^®)

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

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

Three-state serial outputs

FUNCTIONALDESCRIPTION

AfunctionalblockdiagramoftheIDT72V8980deviceisshownonbelow.

The serial ST-BUS^®streams operate continuously at 2.048 Mb/s and are

arrangedin125μswideframeseachcontaining32,8-bitchannels. Eightinput

(RX0-7) and eight output (TX0-7) serial streams are provided in the

IDT72V8980 device allowing a complete 256 x 256 channel non-blocking

switchmatrixtobeconstructed. Theserialinterfaceclock(C4i)forthedevice

is 4.096 MHz.

Microprocessor Interface (8-bit data bus)

3.3V Power Supply

Available in 44-pin Plastic Leaded Chip Carrier (PLCC), 48-pin

Small Shrink Outline Package (SSOP), and 44-pin Plastic Quad

Flatpack (PQFP)

•

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

3.3V I/O with 5V Tolerant Inputs

Thereceivedserialdataisinternallyconvertedtoaparallelformatbythe

onchipserial-to-parallelconvertersandstoredsequentiallyina256-position

DataMemory.Byusinganinternalcounterthatisresetbytheinput8KHzframe

pulse, F0i,theincomingserialdatastreamscanbeframedandsequentially

addressed.

DESCRIPTION:

The IDT72V8980 is a ST-BUS^®compatible digital switch controlled by a

microprocessor. TheIDT72V8980canhandleasmanyas256,64Kbit/sinput

FUNCTIONAL BLOCK DIAGRAM

RESET⁽¹⁾

ODE

C4i F0i

VCC GND

TX0

TX1

TX2

TX3

TX4

TX5

TX6

TX7

Timing

Unit

RX0

Output MUX

RX1

RX2

Receive

Serial Data

Streams

Transmit

Serial Data

Streams

RX3

Data

Memory

RX4

RX5

RX6

RX7

Connection

Memory

Control Register

Microprocessor Interface

5705 drw01

CCO

A5/

R/W

D0/

DTA

NOTE:

1. The RESET Input is only provided on the SSOP package.

IDTandtheIDTlogoareregisteredtrademarksofIntegratedDeviceTechnology,Inc. TheST-BUS^®isatrademarkofMitelCorp.

AUGUST 2003

DSC-5705/5

12 3 4 5 6 7...11

中文翻译

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与72V8980DBG相关器件

型号	品牌	获取价格	描述	数据表
72V8981DBG	IDT	获取价格	Digital Time Switch
72V8981JG8	IDT	获取价格	Digital Time Switch, PQCC44, 0.65 X 0.65 INCH, 0.05 INCH PITCH, PLASTIC, LCC-44
72V90823	RENESAS	获取价格	2K x 2K TSI, 16 I/O at 2/4/8Mbps, 3.3V
72V90823ABCG	IDT	获取价格	Digital Time Switch
72V90823AJG	IDT	获取价格	Digital Time Switch
72V90823APQFG	IDT	获取价格	Digital Time Switch
72V90823BC	IDT	获取价格	Digital Time Switch, PBGA100, 11 X 11 MM, 1 MM PITCH, BGA-100
72V90823J	IDT	获取价格	Digital Time Switch, PQCC84, 1.150 X 1.150 INCH, 0.050 INCH PITCH, PLASTIC, LCC-84
72V90823JG8	IDT	获取价格	Digital Time Switch, PQCC84, 1.150 X 1.150 INCH, 0.050 INCH PITCH, PLASTIC, LCC-84
72V90823PF	IDT	获取价格	Digital Time Switch, PQFP100, 14 X 14 MM, 0.50 MM PITCH, TQFP-100

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