Datasheet > UCC5510

UCC5510

更新时间： 2024-09-19 22:49:27

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
4页	43K
描述
Low Voltage Differential LVD/SE SCSI 9 Line Terminator

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中文翻译

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数据手册

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UCC5510 数据手册

UCC5510

Low Voltage Differential (LVD/SE) SCSI 9 Line Terminator

FEATURES

DESCRIPTION

• Auto Selection Multi-Mode Single

Ended or Low Voltage Differential

Termination

The UCC5510 Multi-Mode Low Voltage Differential and Single Ended

Terminator is specially designed for automatic termination of Single-

Ended or Low Voltage Differential SCSI Bus. The Multi-Mode operation of

this device allows for a transition system design for the next generation

SCSI Parallel Interface (SPI-2). Compliant with SPI-2, with SPI and Fast-

20 the UCC5510 incorporates all the functions necessary to properly ter-

minate the SCSI Bus and has internal thermal shut down and short cir-

cuit limiting.

• 3.0V to 5.25V Operation

• Differential Failsafe Bias

• Thermal Packaging for Low Junction

Temperature and Better MTBF

• Master/Slave Inputs

• Supports Active Negation

• 3pF Channel Capacitance

BLOCK DIAGRAM

SOURCE 5 < 15mA

SINK 200µA MAXIMUM (NOISE LOAD)

TRMPWR 38

MSTR/SLV 19

+VDD

REF 1.3V

20 DIFFSENS

1.3V ± –0.1V

2.2 > 1.9V

0.7 > 0.6V

DEVICE MODE

SELECT LOGIC

DIFFB 21

110

REF 2.7V

125

+50mV TO +62.5mV

REF 1.25V

L1–

L1+

HS/GND

110

125

HS/GND 28

HS/GND 27

HS/GND 26

HS/GND 10

+50mV TO +62.5mV

32 L9–

31 L9+

HS/GND

SWITCHES UP ARE SINGLE

ENDED SWITCHES DOWN ARE

LOW VOLTAGE DIFFERENTIAL

SE GND

SWITCH

GND 18

REG

Circuit Design Patented

UDG-98033

SLUS332A - OCTOBER 1999

12 3 4

中文翻译

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