LX5248CPW MICROSEMI, LX5248CPW Datasheet

LX5248CPW

Manufacturer Part Number

LX5248CPW

Description

Manufacturer

MICROSEMI

Type

SCSI Terminationr

Datasheet

1.LX5248CPW.pdf (6 pages)

Specifications of LX5248CPW

Number Of Bits

Operating Supply Voltage (typ)

3.3/5V

Operating Supply Voltage (max)

5.25V

Package Type

TSSOP

Mounting

Surface Mount

Pin Count

Operating Temperature Classification

Commercial

Lead Free Status / RoHS Status

Compliant

Current page: 1 of 6
Download datasheet (269Kb)

Rev. 0.6b,2005-08-29

The

Differential (LVD) Terminator designed to

comply with the LVD termination specification in

the SPI-2 document. The LX5248/ 49 is designed

specifically for LVD applications. Because the

LX5248/49 supports only LVD, it has lower

output capacitance than multimode terminators

such as the LX5240.

The LX5248/49 Utilizes Linfinity’s UltraMAX

Technology which delivers the ultimate in SCSI

bus performance while saving component cost and

board area. Elimination of the external capacitors

also mitigates the need for a lengthy capacitor

selection process. The individual high bandwidth

drivers also maximize channel separation and

reduces channel-to-channel noise and cross talk.

The

insures ULTRA-2 performance, while providing a

clear migration path to ULTRA-3 and beyond.

H E

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

high-bandwidth

LX5248/49

N F I N I T E

(+)

(-)

Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX5249CDBK-TR)

Bus Voltage

0 to 70

UltraMAX

O W E R

(°C)

11861 W

LX5248/49

Low

O F

ESTERN

RoHS Compliant / Pb-free

architecture

D E S C R I P T I O N

Transition DC: 0535

I N

Voltage

LX5249CDBK

N N O V A T I O N

Plastic TSSOP

36-Pin

VENUE

I N I T Y

, G

When The LX5248/49 Is Enabled, The

Differential Sense (DIFFSENSE) Pin Supplies

A Voltage Between 1.2V And 1.4V.

In application, the terminator DIFFSENSE output

is connected to the system DIFFSENSE line. If

there are no single ended or HVD devices

attached to the system the LVD output will be

enabled. If the DIFFSENSE line is LOW,

indicating a single ended device, the LX5248/49

output will be HiZ. If the DIFFSENSE line is

HIGH, indicating a high voltage differential

device the LX5248/49 output will be HiZ.

The LX5248/49 IC Has A TTL Compatible

DISCONNECT Pin. The LX5248/49 is active

LOW. During sleep mode, power dissipation is

reduced to a meager 5µA, while also placing all

outputs in a HI Z state. Also during sleep mode,

the DIFFSENSE function is disabled and is

placed in a HI Z state.

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

ARDEN

PACKAGE ORDER INFO

I C R O E L E C T R O N I C S

ROVE

, CA. 92841, 714-898-8121, F

UltraMAX

RoHS Compliant / Pb-free

Transition DC: 0442

LX5249CPW

Plastic TSSOP

24-Pin

-100mV

100mV

9 - L

R E L I M I N A R Y

I N E

™

L V D S C S I T

N C

: 714-893-2570

LX5248/49

RoHS Compliant / Pb-free

= V

Transition DC: 0518

NEGATED

LX5248CPW

(-)

LX5248 / LX5249

Plastic TSSOP

28-Pin

- V

A T A

E R M I N A T O R

2.5pF Typical Disabled Output

Capacitance

Fast Response, No External

Capacitors Required

5µA Supply Current In

Disconnect Mode

20mA Supply Current During

Normal Operation

Logic Command Disconnects All

Termination Lines

Diffsense Line Driver

Current Limit And Thermal

Protection

Compliant with SP1-2 (Ultra2)

and SP1-3 (Ultra 160)

Pin Compatible With Industry

Standard Multi-Mode

Terminators

For UCC5240 Pin Compatible

LVD ONLY Terminator (See

LX5245/5246)

(+)

K E Y F E A T U R E S

, Logic = 0

H E E T

Related parts for LX5248CPW

LX5248CPW Summary of contents

Page 1

... Current Limit And Thermal Protection Compliant with SP1-2 (Ultra2) and SP1-3 (Ultra 160) Pin Compatible With Industry Standard Multi-Mode Terminators For UCC5240 Pin Compatible LVD ONLY Terminator (See LX5245/5246 Logic = 0 OD (-) (+) NEGATED LX5248/49 Plastic TSSOP PW 28-Pin RoHS Compliant / Pb-free Transition DC: 0518 LX5248CPW 714-893-2570 AX 1 ...

Page 2

... DB PACKAGE (Top View DISCONNECT GND LX5249CPW ("N.C." Internal Connection) PW PACKAGE (Top View DISCONNECT GND LX5248CPW ("N.C." Internal Connection) PW PACKAGE (Top View) RoHS / Pb-free 100% Matte Tin Lead Finish V TERM HVD LVD HEATSINK/GND HEATSINK/GND HEATSINK/GND DIFF B DIFFSENSE MASTER/SLAVE V TERM N. ...

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LX5248CPW

Specifications of LX5248CPW

Related parts for LX5248CPW

LX5248CPW Summary of contents

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