Datasheet > SS8219DTR

SS8219DTR

更新时间： 2024-09-29 20:49:43

品牌	Logo	应用领域
SSC		/
页数	文件大小	规格书
10页	605K
描述
Interface Circuit

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技术参数
数据手册

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SS8219DTR 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：	5.69	湿度敏感等级：	3
Base Number Matches：	1

SS8219DTR 数据手册

SS8219

Ultra320 Multi-mode LVD/SE SCSI Terminator

General Description

Features

Auto-selectable multi-mode single-ended

or LVD termination

The SS8219 Multi-mode LVD/SE SCSI terminator

provides a smooth transition to the next generation

of SCSI Parallel Interface (SPI-4). It automatically

senses the bus via DIFFSENS and switches the ter-

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

differential (LVD) SCSI, based on which type of

devices are connected to the bus. If the SS8219

detects an HVD SCSI device, it switches to a high

impedance state. For a 16-bit wide SCSI bus to be

functional, three SS8219 terminators are needed.

Meets SCSI-1, SCSI-2, SCSI-3 SPI Ultra (Fast-20),

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

and Ultra320 (SPI-4 LVD) standards

Supports active negation

Channel capacitance of 3pF

Operation from 2.9V to 5.5V

Thermal protection

Hot-swap compatible

Tolerance on SE and LVD termination

resistance of 5%

Available in 28 pin TSSOP or 36 pin SSOP

This multi-mode terminator contains all the functions

required to terminate, auto detect and switch modes

for SCSI Parallel Interface (SPI) bus architectures. For

SE termination, one regulator and nine precision 110Ω

resistors are used. For LVD termination, the SS8219

integrates 18 regulated supplies with nine precision

resistor strings.

Applications

ꢀServer and workstation

ꢀHigh-end PC

ꢀIndustrial PC

ꢀDisk Array (RAID)

Pin Configuration

TPWR

HVD

VREF

LVD

R1+

R1-

TPWR

VREF

R1+

R1-

R9-

R9+

R8-

TPWR

R9-

R2+

R2-

R9+

R2+

R2-

HS/GND

R8+

HS/GND

R8-

R8+

NC/ HS GND

R3+

HS/GND

R3+

NC/ HS GND

26 HS/GND

R3-

21 R7-

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

DIFFSENSE

M/S

DISCNCT

GND

28 pin TSSOP

36 pin SSOP

Rev.2.02 12/06/2003

www.SiliconStandard.com

1 of 10

12 3 4 5 6 7...10

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