LX5205CDWP

更新时间： 2024-09-20 22:28:27

品牌	Logo	应用领域
美高森美 - MICROSEMI		总线通信驱动程序和接口接口集成电路光电二极管信息通信管理
页数	文件大小	规格书
4页	145K
描述
18-LINE PLUG AND PLAY, レPOWER SCSI TERMINATOR

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技术参数
数据手册

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LX5205CDWP 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	POWER, PLASTIC, SO-28
针数：	28	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.79	差分输出：	NO
接口集成电路类型：	SCSI BUS TERMINATOR	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e0	长度：	17.9 mm
功能数量：	1	信号线数量：	18
端子数量：	28	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
标称上拉电阻：	110 Ω	认证状态：	Not Qualified
座面最大高度：	2.65 mm	最大供电电压：	5.25 V
最小供电电压：	4 V	标称供电电压：	4.75 V
表面贴装：	YES	技术：	BICMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.5 mm	Base Number Matches：	1

LX5205CDWP 数据手册

LIN DOC #: 5205

LX5205

18-LINE PLUG AND PLAY, µPOWER SCSI TERMINATOR

P R E L I M I N A R Y D A T A S H E E T

T H E I N F I N I T E P O W E R O F I N N O V A T I O N

DESCRIPTION

KEY FEATURES

■ SCSI PLUG AND PLAY, DUAL LOW

The LX5205 is an eighteen line active ter-

minator for the SCSI parallel bus. This SCSI

standard recommends active termination at

both ends of the SCSI bus.

During normal operation, the LX5205

consumes only 800µA of current which is

DISCONNECT, LOGIC LOW COMMAND

DISCONNECTS ALL TERMINATION LINES

the lowest enabled supply current of any

terminator available on the market today.

Linfinity's proprietary BiCMOS low dropout

regulator architecture enables this unique

and very efficient operating characteristic.

The LX5205 also offers a precisely

trimmed channel output current specified

to a 5% tolerance. The maximum value of

the output current is trimmed as closely as

possible to the SCSI standard maximum

specification to give the highest possible

noise margin for fast SCSI operation. And

finally, the LX5205 sinks up to 100mA of

current making it compatible with today's

fast active negation drivers.

■ 2.5pF OUTPUT CAPACITANCE DURING

DISCONNECT

During disconnect mode, the LX5205

requires a meager 500nA of supply current

while offering only 2.5pF of output capaci-

tance. To enter this low power mode, the

disconnect pins can be left open (floating)

or driven low thereby disconnecting the

terminating resistors and placing the internal

low dropout regulator into low power

mode. Indisconnectmodeeachtermination

line presents a high impedance to the SCSI

bus with the overall effect being to preserve

high signal integrity and subsequent reli-

able, error free communications. The

LX5205 has two disconnect pins for SCSI

Plug and Play (PnP) applications.

■ 500nA SUPPLY CURRENT IN DISCONNECT

MODE

■ 800µA SUPPLY CURRENT DURING NORMAL

OPERATION

■ 100mA SINK CURRENT FOR ACTIVE

NEGATION

■ LOGIC COMMAND DISCONNECTS ALL

TERMINATION LINES

■ CURRENT LIMIT AND THERMAL PROTEC-

TION

■ COMPATIBLE WITH SCSI 1, 2, 3, AND

FAST-20 STANDARDS

The LX5205 is a superior, pin-for-pin

replacement for the UC5607.

■ HOT SWAP COMPATIBLE

IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com.

PRODUCT HIGHLIGHT

RECEIVING WAVEFORM - 20MHZ

DRIVING WAVEFORM - 20MHZ

Receiver

Driver

1 Meter, AWG 28

Disconnect 1

Disconnect 2

Disconnect 1

Disconnect 2

LX5205

PnP

LX5205

PnP

LX5268

NOTE:

For An In-Depth

PACKAGE ORDER INFO

Discussion On Applying

SCSI, Request Linfinity

Application Note:

"Understanding The

Single-Ended SCSI Bus"

Plastic SOWB

28-pin, Power

T_A(°C)

DWP

0 to 70

LX5205CDWP

Note: All surface-mount packages are available in Tape & Reel.

Append the letter "T" to part number. (i.e. LX5205CDWPT)

L I N F I N I T Y M I C R O E L E C T R O N I C S I N C .

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570

Rev. 0.7 3/98

12 3 4

中文翻译

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与LX5205CDWP相关器件

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LX5207CDWP	MICROSEMI	获取价格	18-LINE LOW CAPACITANCE, レPOWER SCSI TERMINAT
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LX5208CDWP	MICROSEMI	获取价格	18-LINE LOW CAPACITANCE, レPOWER SCSI TERMINAT
LX5208CDWPT	MICROSEMI	获取价格	Terminator
LX5208CN	ETC	获取价格	Terminator
LX521	POLYFET	获取价格	SILICON GATE ENHANCEMENT MODE RF POWER LDMOS TRANSISTOR

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