Datasheet > UCC5629FQPG4

UCC5629FQPG4

更新时间： 2024-09-21 02:58:39

品牌	Logo	应用领域
德州仪器 - TI		信息通信管理接口集成电路
页数	文件大小	规格书
5页	57K
描述
MULTIMODE SCSI 14 LINE TERMINATOR

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中文翻译

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数据手册
替代型号

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UCC5629FQPG4 数据手册

UCC5629

Multimode SCSI 14 Line Terminator

DESCRIPTION

FEATURES

The UCC5629 Multimode SCSI Terminator provides a smooth transition

into the next generation of the SCSI Parallel Interface (SPI-2). It automati-

cally senses the bus, via DIFFB, and switches the termination to either sin-

gle ended (SE) or low voltage differential (LVD) SCSI, dependent on which

type of devices are connected to the bus. The UCC5629 can not be used

on a HVD, EIA485, differential SCSI bus. If the UCC5629 detects a HVD

SCSI device, it switches to a high impedance state.

• Auto Selection Single Ended (SE) or

Low Voltage Differential (LVD)

Termination

• Meets SCSI-1, SCSI-2, SCSI-3, SPI,

Ultra (Fast-20), Ultra2 (SPI-2 LVD)

and Ultra3 Standards

• 2.7V to 5.25V Operation

• Differential Failsafe Bias

The Multimode terminator contains all functions required to terminate and

auto detect and switch modes for SPI-2 bus architectures. Single Ended

and Differential impedances and currents are trimmed for maximum effec-

tiveness. Fail Safe biasing is provided to insure signal integrity. Device/Bus

type detection circuitry is integrated into the terminator to provide automatic

switching of termination between single ended and LVD SCSI and a high

impedance for HVD SCSI. The multimode function provides all the perform-

ance analog functions necessary to implement SPI-2 termination in a sin-

gle monolithic device.

• Thermal packaging for low junction

temperature and better MTBF.

• Reversed Polarity Disconnect

The UCC5629 is offered in a 48 pin LQFP package for a temperature range

of 0°C to 70°C.

BLOCK DIAGRAM

(NOISE LOAD)

1.3V

HPD

REF

1.3V

–15mA ≤ I

≤ –5mA

≤ 200µA

SOURCE

35 DIFFSEN

27 LVD

50µA ≤ I

SINK

2.15V

DIFFB 34

0.6V

110

124

REF

2.7V

SOURCE/SINK REGULATOR

56mV

52.5

REF

1.25V

– +

12 L1–

56mV

–

L1+

MODE

ALL SWITCHES

LVD

DISCNCT

DOWN

OPEN

SE GND SWITCH

56mV

10µA

110

124

DISCNCT

TRMPWR

52.5

–

L14–

L14+

56mV

–

SE GND SWITCH

HS/GND

4-9

HS/GND

28-33

REG

4.7µF .

GND

UDG-99156

SLUS444 - NOVEMBER 1999

12 3 4 5

中文翻译

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UCC5629FQPG4 替代型号

型号	品牌	替代类型	描述	数据表
UCC5629FQPTRG4	TI	完全替代	14 Line 2.7 -5V Multimode Terminator for SCSI through Ultra320 SCSI with Reverse Disconnec

与UCC5629FQPG4相关器件

型号	品牌	获取价格	描述	数据表
UCC5629FQPTR	TI	获取价格	14 Line 2.7 -5V Multimode Terminator for SCSI through Ultra320 SCSI with Reverse Disconnec
UCC5629FQPTR	ROCHESTER	获取价格	14-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48
UCC5629FQPTRG4	TI	获取价格	14 Line 2.7 -5V Multimode Terminator for SCSI through Ultra320 SCSI with Reverse Disconnec
UCC5630	TI	获取价格	Low Voltage Differential LVD/SE SCSI 9 Line Terminator
UCC5630A	TI	获取价格	Multimode SCSI 9 Line Terminator
UCC5630AFQP	TI	获取价格	Multimode SCSI 9 Line Terminator
UCC5630AFQPG4	TI	获取价格	9-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48
UCC5630AFQPTR	TI	获取价格	Multimode SCSI 9 Line Terminator
UCC5630AFQPTRG4	TI	获取价格	9-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48
UCC5630AMWP	TI	获取价格	Multimode SCSI 9 Line Terminator

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