Datasheet > SS8218-D3TR

SS8218-D3TR

更新时间： 2024-01-21 16:17:40

品牌	Logo	应用领域
SSC		/
页数	文件大小	规格书
11页	610K
描述
Ultra160 Multi-mode LVD/SE SCSI Terminator

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技术参数
数据手册

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SS8218-D3TR 技术参数

是否Rohs认证：	符合	生命周期：	Contact Manufacturer
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.68	湿度敏感等级：	3
Base Number Matches：	1

SS8218-D3TR 数据手册

SS8218

Ultra160 Multi-mode LVD/SE SCSI Terminator

Features

General Description

ꢀAuto-selectable multi-mode Single-Ended

or LVD Termination

The SS8218 Multi-mode LVD/SE SCSI terminator pro-

vides a smooth transition to the next generation of

the SCSI Parallel Interface (SPI-3). It automatically

senses the bus, via DIFFSENS, and switches the ter-

mination to either single-ended (SE) or low voltage

differential (LVD) SCSI, dependent on which type of

devices are connected to the bus. If the SS8218 de-

tects a HVD SCSI device, it switches to a high imped-

ance state. For a 16-bit Wide SCSI bus to be opera-

tional, three SS8218 terminators are needed.

ꢀMeets SCSI-1, SCSI-2, SCSI-3 SPI Ultra

(Fast-20), Ultra 2(SPI-2 LVD), Ultra160 (SPI-3

LVD) standards.

ꢀSupports active negation

ꢀ3pF channel capacitance

ꢀThermal protection

ꢀHot-swap compatible

ꢀ5% tolerance on SE and LVD termination

resistance

ꢀ28 and 36 pin SSOP package

ꢀ28 Pin SSOP: Pin Compatible with DS2119

ꢀ36 Pin SSOP: Pin Compatible with DS2118,

LX5241 and UCC5630

The Multi-mode terminator contains all functions re-

quired to terminate and auto detect and switch modes

for SCSI Parallel Interface (SPI) bus architectures. For

the SE termination, one regulator and nine precision

110ohm resistors are used. For the LVD termination,

the SS8218 integrates 18 regulated supplies with nine

precision resistor strings.

Applications

ꢀServer and workstation

ꢀHigh-end PC

ꢀIndustrial PC

ꢀDisk Array (RAID)

ꢀSCSI cable

Pin Configuration

TPWR

HVD

VREF

34 LVD

R1+

R1-

TPWR

VREF

R1+

R9-

TPWR

R9-

R2+

R2-

R9+

R1-

R8-

NC/HS GND

R9+

R2+

R2-

HS/GND

R8+

R8-

HS/GND

NC/HS GND

R8+

HS/GND

R3+

R3-

22 NC/HS GND

21 R7-

26 HS/GND

R3-

R7-

R4+

R7+

R4+ 13

R7+

R4-

R5+

19 R6-

R4-

R6-

R6+

R5+

R5-

R6+

DIFFB

R5-

21 DIFFB

16 DIFFSENSE

15 M/S

DISCNCT

GND

DIFFSENSE

M/S

DISCNCT

GND

28Pin SSOP/TSSOP

36Pin SSOP

Rev.2.01 6/06/2003

www.SiliconStandard.com

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