Datasheet > IDT72V8985PA8

IDT72V8985PA8

更新时间： 2024-01-27 19:22:20

品牌	Logo	应用领域
艾迪悌 - IDT		电信光电二极管电信集成电路
页数	文件大小	规格书
14页	111K
描述
Digital Time Switch, PDSO48, PLASTIC, TSSOP-48

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中文翻译

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技术参数
数据手册

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IDT72V8985PA8 技术参数

生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	48
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.71	JESD-30 代码：	R-PDSO-G48
JESD-609代码：	e0	长度：	12.5 mm
功能数量：	1	端子数量：	48
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：	Not Qualified	座面最大高度：	1.2 mm
标称供电电压：	3.3 V	表面贴装：	YES
电信集成电路类型：	DIGITAL TIME SWITCH	温度等级：	INDUSTRIAL
端子面层：	TIN LEAD	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	DUAL
宽度：	6.1 mm	Base Number Matches：	1

IDT72V8985PA8 数据手册

3.3 VOLT TIME SLOT INTERCHANGE

DIGITAL SWITCH

IDT72V8985

256 x 256

istomaintainsequenceintegrityandminimizethroughputdelay,theIDT72V8985

isanidealsolutionformostswitchingneeds.

ꢀEATURES:

•

256 x 256 channel non-blocking switch

Automatic signal identification (ST-BUS^®, GCI)

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

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

Three-state serial outputs

Microprocessor Interface (8-bit data bus)

Frame Integrity for data applications

3.3V Power Supply

ꢀUNCTIONALDESCRIPTION

Framesequence,constantthroughputdelay,andguaranteedminimum

delayarehighpriorityrequirementsintoday’sintegrateddataandmultimedia

networks. TheIDT72V8985providesthesefunctionsonaper-channelbasis

usingastandardmicroprocessorcontrolinterface. Eachoftheeightseriallines

is designed to switch 64 Kbit/s PCM or N x 64 Kbit/s data.

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

48-pin Small Shrink Outline Package (SSOP), 48-pin Plastic

InProcessorMode,themicroprocessorcanaccesstheinputandoutputtime

slotstocontrolotherdevicessuchasISDNtransceiversandtrunkinterfaces.

Small Outline (TSSOP) and 44-pin Plastic Quad Flatpack (PQFP) SupportingbothGCIandST-BUS^®formats,IDT72V8985hasincorporatedan

•

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

internal circuit to automatically identify the polarity and format of the frame

synchronization.

AfunctionalblockdiagramoftheIDT72V8985deviceisshownonpage1.

The serial streams operate continuously at 2.048 Mb/s and are arranged in

125µswideframeseachcontaining32,8-bitchannels. Eightinput(RX0-7)and

eight output (TX0-7) serial streams are provided in the IDT72V8985 device

allowing a complete 256 x 256 channel non-blocking switch matrix to be

constructed. Theserialinterfaceclockforthedeviceis 4.096MHz.

DESCRIPTION:

TheIDT72V8985isaST-BUS^®/GCIcompatibledigitalswitchcontrolledby

amicroprocessor. TheIDT72V8985canhandleasmanyas256,64Kbit/sinput

andoutputchannels. Those256channelsaredividedinto8serialinputsand

outputs,eachofwhichconsistsof32channels.TheIDT72V8985providesper-

channelvariableorconstantthroughputdelaymodesandmicroprocessorread

andwriteaccesstoindividualchannels. Asanimportantfunctionofadigitalswitch

ꢀUNCTIONAL BLOCK DIAGRAM

RESET⁽¹⁾

ODE

C4i

F0i

VCC GND

TX0

TX1

TX2

TX3

TX4

TX5

TX6

TX7

Timing

Unit

RX0

RX1

RX2

RX3

RX4

RX5

RX6

RX7

Output MUX

Receive

Serial Data

Streams

Transmit

Serial Data

Streams

Data

Memory

Connection

Memory

Control Register

Microprocessor Interface

5707 drw01

CCO

A0/

R/W

D0/

DTA

NOTE:

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

APRIL 2001

2001 Integrated Device Technology, Inc.

DSC-5707/2

12 3 4 5 6 7...14

中文翻译

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与IDT72V8985PA8相关器件

型号	品牌	获取价格	描述	数据表
IDT72V8985PV	IDT	获取价格	3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256
IDT72V8985PVG	IDT	获取价格	Digital Time Switch, PDSO48, 0.625 X 0.295 INCH, 0.025 INCH PITCH, SSOP-48
IDT72V8988	IDT	获取价格	3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
IDT72V8988DB	IDT	获取价格	3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
IDT72V8988DBG	IDT	获取价格	Digital Time Switch, PQFP44, 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
IDT72V8988J	IDT	获取价格	3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128
IDT72V8988J8	IDT	获取价格	Digital Time Switch, PQCC44, 0.65 X 0.65 INCH, 0.05 INCH PITCH, PLASTIC, LCC-44
IDT72V8988JG	IDT	获取价格	Digital Time Switch, PQCC44, 0.65 X 0.65 INCH, 0.05 INCH PITCH, PLASTIC, LCC-44
IDT72V8988PA	IDT	获取价格	Digital Time Switch, PDSO48, PLASTIC, TSSOP-48
IDT72V8988PA8	IDT	获取价格	Digital Time Switch, PDSO48, PLASTIC, TSSOP-48

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