Datasheet > LX5122CDB

LX5122CDB

更新时间： 2024-09-20 22:30:55

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
页数	文件大小	规格书
4页	91K
描述
ULTRA 27-LINE, PLUG AND PLAY SCSI TERMINATOR

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中文翻译

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技术参数
数据手册

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LX5122CDB 技术参数

生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	SSOP,	针数：	44
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.71
差分输出：	NO	接口集成电路类型：	SCSI BUS TERMINATOR
JESD-30 代码：	R-PDSO-G44	长度：	17.83 mm
功能数量：	1	信号线数量：	27
端子数量：	44	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	认证状态：	Not Qualified
座面最大高度：	2.64 mm	最大供电电压：	5.5 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
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	DUAL	宽度：	7.5 mm
Base Number Matches：	1

LX5122CDB 数据手册

LIN DOC #: 5122

LX5122

ULTRA 27-LINE, PLUG AND PLAY SCSI TERMINATOR

UltraMAX

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

P R O D U C T I O N D A T A S H E E T

D E S C R I P T I O N

K E Y F E A T U R E S

The LX5122 Plug and Play UltraMAX^TMter-

minator represents next-generation technol-

ogy for SCSI termination applications. The

low-voltage BiCMOS architecture employed

in its design offers superior performance to

older passive and active techniques.

lengths and impedances. Frequently, this

■ Ultra-Fast Response For Fast-20 SCSI

Applications

situation is not controlled by the peripheral

or host designer and, when problems occur,

they are the first to be made aware of these

problems. The LX5122 architecture is much

more tolerant of marginal system integra-

tions.

Recognizing the needs of portable and

configurable peripherals, the LX5122 has a

TTL compatible sleep/disable mode. Qui-

escent current is less than 150µA in this

mode.

Reduced component count is also inher-

ent in the LX5122 architecture. Traditional

termination techniques require large stabi-

lization and transient protection capacitors

of up to 20µF in value and size. The LX5122

architecture does not require these com-

ponents, allowing all the cost savings as-

sociated with inventory, board space, as-

sembly, reliability, and component costs.

The LX5122 has multiple disables for full

Plug and Play SCSI capability for Host Bus

Adapters with 3 SCSI connectors. It also

splits the upper 9 termination lines for

mixing 16-bit (wide) and 8-bit (narrow)

b u ses with min imal b o ard trace

capacitance.

■ Plug and Play SCSI For Host Bus

Adapters With 3 SCSI Connectors

■ Split Disconnect For Mixing 16-Bit

(Wide) Or 8-Bit (Narrow) Buses

Linfinity's architecture employs high-

speed adaptive elements for each channel,

providing the fastest response possible. The

channel bandwidth is typically 35MHz. The

LX5122 compares favorably to older linear

regulator approaches whose bandwidth's

are dominated by the output compensation

capacitor and are limited to the 500KHz

bandwidth region (see further discussion in

the Functional Descrip tion section).

Linfinity's architecture also eliminates the

output compensation capacitor typical in

earlier terminator designs. Each is approved

for use with SCSI-1, -2, -3, ULTRA and

beyond — providing the highest perfor-

mance alternative available today.

■ 35MHz Channel Bandwidth

■ Sleep-Mode Current Less Than 150µA

■ Hot-Swap Compatible

■ NO External Compensation Capacitors

■ Compatible With Active Negation

Drivers

■ Superior Pin-for-Pin Replacement For

The UCC5622

Another key improvement of LX5122

products lies in their ability to insure re-

liable, error free communications even in

systems which do not necessarily adhere to

recommended SCSI hardware design guide-

lines, such as the use of improper cable

NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.

P R O D U C T H I G H L I G H T

RECEIVIN G W AVEFO RM - 2 0 MHZ

DRIVIN G W AVEFO RM - 2 0 MHZ

Receiver

Driver

1 Meter, AWG 28

NOTE:

For An In-Depth

LX5122

Discussion On Applying

SCSI, Request Linfinity

Application Note:

LX5268

P A CK A G E O R D E R I N F O

"Understanding The

Single-Ended SCSI Bus"

Plastic SSOP

44-pin

T (°C)

0 to 125

LX5122CDB

Note: Available in Tape & Reel.

Append the letter "T" to part number. (i.e. LX5122CDBT)

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. 1.0 6/ 99

12 3 4

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与LX5122CDB相关器件

型号	品牌	获取价格	描述	数据表
LX5122CDBT	MICROSEMI	获取价格	Terminator
LX5202	MICROSEMI	获取价格	18-LINE, レ POWER SCSI TERMINATOR
LX5202CDWP	MICROSEMI	获取价格	18-LINE, レ POWER SCSI TERMINATOR
LX5202CDWPT	MICROSEMI	获取价格	Terminator
LX5202CN	ETC	获取价格	Terminator
LX5203	MICROSEMI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
LX5203CDP	MICROSEMI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
LX5203CN	MICROSEMI	获取价格	9-LINE SCSI ACTIVE TERMINATOR
LX5204	MICROSEMI	获取价格	9-LINE HOT SWAP, レPOWER SCSI TERMINATOR
LX5204CDP	MICROSEMI	获取价格	9-LINE HOT SWAP, レPOWER SCSI TERMINATOR

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