UCC5628FQPTR

更新时间： 2024-11-10 03:11:39

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
5页	71K
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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UCC5628FQPTR 数据手册

UCC5628

Multimode SCSI 14 Line Terminator

DESCRIPTION

FEATURES

The UCC5628 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 UCC5628 can not be used

on a HVD, EIA485, differential SCSI bus. If the UCC5628 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 per-

formance analog functions necessary to implement SPI-2 termination in a

single monolithic device.

• Thermal packaging for low junction

temperature and better MTBF.

The UCC5628 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

50µA ≤I

SINK

2.15V

DIFFB 34

0.6V

27 LVD

26 SE

110

124

REF

2.7V

SOURCE/SINK REGULATOR

56mV

52.5

–

REF

1.25V

12 L1–

11 L1+

56mV

–

MODE

ALL SWITCHES

LVD

DISCNCT

DOWN

OPEN

SE GND SWITCH

10µA

110

124

DISCNCT

TRMPWR

56mV

52.5

–

L14–

L14+

56mV

–

SE GND SWITCH

HS/GND

4-9

HS/GND

28-33

REG

GND

4.7µF .

UDG-98099

SLUS302A - SEPTEMBER 1999

12 3 4 5

中文翻译

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UCC5628FQPTR 替代型号

型号	品牌	替代类型	描述	数据表
UCC5628FQPG4	TI	完全替代	14 Line 2.7- 5V Multimode Terminator for SCSI through Ultra320 SCSI 48-LQFP 0 to 70
UCC5628FQP	TI	完全替代	Multimode SCSI 14 Line Terminator
UCC5628FQPTRG4	TI	功能相似	14-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48

与UCC5628FQPTR相关器件

型号	品牌	获取价格	描述	数据表
UCC5628FQPTRG4	TI	获取价格	14-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48
UCC5628QFP	TI	获取价格	暂无描述
UCC5629	TI	获取价格	Multimode SCSI 14 Line Terminator
UCC5629_08	TI	获取价格	MULTIMODE SCSI 14 LINE TERMINATOR
UCC5629FQP	TI	获取价格	14 Line 2.7 -5V Multimode Terminator for SCSI through Ultra320 SCSI with Reverse Disconnec
UCC5629FQP	ROCHESTER	获取价格	14-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48
UCC5629FQPG4	ROCHESTER	获取价格	14-LINE 105ohm SCSI BUS TERMINATOR, PQFP48, GREEN, PLASTIC, LQFP-48
UCC5629FQPG4	TI	获取价格	MULTIMODE SCSI 14 LINE TERMINATOR
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

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