LX5121CDBT

更新时间： 2024-09-20 23:48:55

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	148K
描述
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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LX5121CDBT 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SSOP	包装说明：	PLASTIC, SSOP-44
针数：	44	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.79	Is Samacsys：	N
差分输出：	NO	接口集成电路类型：	SCSI BUS TERMINATOR
JESD-30 代码：	R-PDSO-G44	JESD-609代码：	e0
长度：	17.83 mm	功能数量：	1
信号线数量：	27	端子数量：	44
最高工作温度：	125 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装等效代码：	SOP44,.4,32	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	电源：	5 V
标称上拉电阻：	110 Ω	认证状态：	Not Qualified
座面最大高度：	2.94 mm	子类别：	Bus Terminators
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	温度等级：	OTHER
端子面层：	Tin/Lead (Sn/Pb)	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

LX5121CDBT 数据手册

LIN DOC #: 5121

LX5121

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

DESCRIPTION

KEY FEATURES

The LX5121 Plug and Play UltraMAX^TMtermi-

ances. Frequently, this situation is not con-

trolled by the peripheral or host designer and,

when problems occur, they are the first to

be made aware of these problems. The

LX5121 architecture is much more tolerant of

marginal system integrations.

Recognizing the needs of portable and

configurable peripherals, the LX5121 has a

TTL compatible sleep/disable mode. Typi-

cally, quiescent current is less than 150µA in

this mode.

Reduced component count is also inherent

in the LX5121 architecture. Traditional ter-

mination techniques require large stabiliza-

tion and transient protection capacitors of up

to 20µF in value and size. The LX5121

architecture does not require these compo-

nents, allowing all the cost savings associated

with inventory, board space, assembly, reli-

ability, and component costs.

■ Ultra-Fast Response For Fast-20 SCSI

Applications

nator represents next-generation technology

for SCSI termination applications. The low-

voltage BiCMOS architecture employed in its

design offers superior performance to older

passive and active techniques.

■ 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 LX5121

compares favorably to older linear regulator

approaches whose bandwidth's are domi-

nated by the output compensation capacitor

and are limited to the 500KHz bandwidth

region(seefurtherdiscussionintheFunctional

Description 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

performance alternative available today.

Another key improvement of LX5121 prod-

ucts lies in their ability to ensure reliable, error-

free communications even in systems which

do not necessarily adhere to recommended

SCSI hardware design guidelines, such as the

use of improper cable lengths and imped-

■ 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 UCC5621

The LX5121 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) buses with

minimal board trace capacitance.

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

PRODUCT HIGHLIGHT

RECEIVING WAVEFORM - 20MHZ

DRIVING WAVEFORM - 20MHZ

Receiver

Driver

1 Meter, AWG 28

NOTE:

For An In-Depth

LX5121

Discussion On Applying

SCSI, Request Linfinity

Application Note:

"Understanding The

Single-Ended SCSI Bus"

LX5268

PACKAGE ORDER INFO

Plastic SSOP

44-pin

T_J(°C)

0 to 125

LX5121CDB

Note: Available in Tape & Reel.

Append the letter "T" to part number. (i.e. LX5121CDBT)

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 5/99

12 3 4

中文翻译

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与LX5121CDBT相关器件

型号	品牌	获取价格	描述	数据表
LX5122	MICROSEMI	获取价格	ULTRA 27-LINE, PLUG AND PLAY SCSI TERMINATOR
LX5122CDB	MICROSEMI	获取价格	ULTRA 27-LINE, PLUG AND PLAY SCSI TERMINATOR
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

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