LX5250CPW Microsemi Analog Mixed Signal Group, LX5250CPW Datasheet

LX5250CPW

Manufacturer Part Number

LX5250CPW

Description

IC TERM SCSI 9LINE MODE 28TSSOP

Manufacturer

Microsemi Analog Mixed Signal Group

Type

SCSI, LVD, SEr

Datasheet

1.LX5250CPW.pdf (8 pages)

Specifications of LX5250CPW

Number Of Terminations

Voltage - Supply

4.75 V ~ 5.25 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

28-TSSOP

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX5250CPW

Manufacturer:

Renesas

Quantity:

110

Current page: 1 of 8
Download datasheet (189Kb)

Rev. 1.2b, 2005-08-29

terminator that is compatible with the

SCSI SPI-2 (Ultra2 SCSI), SCSI SPI-3

(Ultra3 SCSI or Ultra160 SCSI), and

SCSI SPI-4 (Ultra320) specifications

developed

committee for low voltage differential

(LVD) termination, while providing

backwards compatibility to the SCSI,

SCSI-2,

specifications. Multimode compatibility

permits the use of legacy devices on the

bus

Automatic mode selection is achieved

through

Diffsense line.

standard

individual

maximize channel separation, reduce

channel-to-channel noise and cross talk

to insure Ultra320 performance.

differential sense (DIFFSENSE) pin

supplies a voltage between 1.2V and

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

The LX5250/52 is a multimode SCSI

The LX5250/52 utilizes an industry

When the LX5250/52 is enabled, the

without

L X 5250/

L X 5252

voltage

LVD

and

high

hardware

the

SPI

detection

bandwidth

architecture.

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

T10

single-ended

alterations.

standards

D E S C R I P T I O N

0 to 70

drivers

The

(°C)

the

Append the letters “TR” to the part number. (i.e. LX5250CDB-TR)

1.4V.

DIFFSENSE input of the corresponding LVD

transceivers.

transceiver function. DIFFSENSE is capable of

supplying a maximum of 10mA.

LX5250/52 in a HI Z state indicating the

presence of an HVD device. Tying the pin low

places the part in a single-ended mode while

also signaling the multimode transceiver to

operate in a single-ended mode.

configurable peripherals, the LX5250/52 has a

TTL compatible sleep/disable mode. During

this sleep/disable mode, power dissipation is

reduced to a meager 15uA while also placing

all outputs in a HI Z state.

sleep/disable mode, the DIFFSENSE function

is disabled and is placed in a HI Z state.

slave function.

floating the pin enables the 1.3V DIFFSENSE

reference. Driving the pin low disables the on

board DIFFSENSE reference and enables use

of an external master reference device.

Tying the DIFFSENSE pin high places the

Recognizing the needs of portable and

The LX5250/52 also provides a master /

P R O D U C T H I G H L I G H T

RoHS Compliant / Pb-free

In application this pin is tied to the

Integrated Products Division

Transition DC: 0535

PACKAGE ORDER INFO

LX5250CDB

LX5252CDB

QSOP

36-Pin

Note: Available in Tape & Reel.

Microsemi

This action enables the LVD

Driving this pin high or

9-Line Multimode SCSI Terminator

Also during

RoHS Compliant / Pb-free

RODUCTION DATA SHEET

Transition DC: 0518

LX5250CPW

TSSOP

28-Pin

Compliant with SCSI SPI-2

(Ultra2), SPI-3 (Ultra160), and

SPI-4 (Ultra320)

Auto-Selectable LVD or Single-

Ended Termination

Fast Response, No Output

Capacitors Required

Compatible with Active Negation

Drivers

15µA Supply Current in

Disconnect Mode

Logic Command Disconnects All

Termination Lines

Diffsense Line Driver

Ground Driver Integrated for

Single-Ended Operation

Current Limit and Thermal

Protection

Hot-Swap Compatible (Single-

Ended)

Available in 36-pin QSOP and 28-

pin TSSOP package

LX5250, 36-pin QSOP: Pin

Compatible With DS2118,

UCC5630A and UCC5672

LX5250 28-pin TSSOP: Pin

Compatible with DS2119, and

UCC5672

K E Y F E A T U R E S

L X 5250/

L X 5252

LX5250/5252

Page 1

Related parts for LX5250CPW

LX5250CPW Summary of contents

Page 1

... Current Limit and Thermal Protection Hot-Swap Compatible (Single- Ended) Available in 36-pin QSOP and 28- pin TSSOP package LX5250, 36-pin QSOP: Pin Compatible With DS2118, UCC5630A and UCC5672 LX5250 28-pin TSSOP: Pin Compatible with DS2119, and UCC5672 - L X 5250 5252 TSSOP 28-Pin LX5250CPW - Page 1 ...

Page 2

Term Power (V ) .........................................................................................-0. TERM Operating Junction Temperature ................................................................................150°C Storage Temperature Range………………………………………………..-65°C to 150°C ...

Page 3

Parameter LVD VTerm SE Signal Line ...

Page 4

TM Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C For the LX5250, DISCONNECT = L; for the LX5252, DISCONNECT = H. Parameter Symbol DISCONNECT Section Disconnect Thresholds Input Current MASTER/SLAVE Section Master/Slave Thresholds V Input ...

Page 5

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... GND DIFFSENS NC* Pin 1 4.7uF *The capacitor on pin 1 can be placed on the LX5250CDB, LX5250CPW, or LX5252CDB to be pin-compatible with other devices, but is not required. Copyright © 2002 Rev. 1.2b, 2005-08-29 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® 9-Line Multimode SCSI Terminator ...

Page 7

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TM PRODUCTION DATA – Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the express written consent of Microsemi. Product processing does not ...

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