LX5115CD Microsemi Corporation, LX5115CD Datasheet

LX5115CD

Manufacturer Part Number

LX5115CD

Description

SCSI - Single Ended

Manufacturer

Microsemi Corporation

Datasheet

1.LX5115CD.pdf (4 pages)

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Rev. 1.1

H E

The LX5115 SCSI terminator is part of Linfinity's

UltraMAX family of high-performance, adaptive,

non-linear mode SCSI products, which are de-

signed to deliver true UltraSCSI performance in

SCSI applications. The low voltage BiCMOS ar-

chitecture employed in its design offers superior

performance to older linear passive and active

techniques.

employs high-speed adaptive elements for each

channel, thereby providing the fastest response

possible — typically 35MHz, which is 100 times

faster than the older linear regulator/terminator

approach used by other manufacturers. Products

using this older linear regulator approach have

bandwidths which are dominated by the output

capacitor and which are limited to 500KHz (see

further discussion in the Functional Description

section). The UltraMAX architecture also eliminates

the output compensation capacitor typical in earlier

terminator designs. Each is approved for use with

SCSI-1, -2, -3, UltraSCSI and beyond — providing

the highest performance alternative available to-

day.

LX5115 lies in its ability to insure reliable, error-

free communications even in systems which do

not adhere to recommended SCSI hardware design

guidelines, such as the use of improper cable

NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.

Another key improvement offered by the

12/97

N F I N I T E

Linfinity's UltraMAX architecture

E C E I V I N G

11861 W

O W E R

0 to 70

(°C)

ESTERN

AV E F O R M

O F

D E S C R I P T I O N

I N

Note: All surface-mount packages are available in Tape & Reel.

VENUE

P A C K A G E O R D E R I N F O R M A T I O N

Append the letter "T" to part number. (i.e. LX5115CDWT)

LX5115

N N O V A T I O N

- 2 0 M H

Plastic SOIC

16-pin

I N I T Y

, G

LX5115CD

ARDEN

lengths and impedances. Frequently, this situation

is not controlled by the peripheral or host designer

and, when problems occur, they are the first to

be made aware of the problem. The LX5115

architecture is much more tolerant of marginal

system integrations.

configurable peripherals, the LX5115 has a TTL

compatible sleep/disable mode.

current is typically 150µA in this mode, while the

output capacitance is also less than 3pF. The

obvious advantage of extended battery life for

portable systems is inherent in the product's sleep-

mode feature. Additionally, the disable function

permits factory-floor or production-line

configurability, reducing inventory and product-

line diversity costs. Field configurability can also

be accomplished without physically removing

components which, often times results in field

returns due to mishandling.

the LX5115 architecture. Traditional termination

techniques require large stabilization and transient

protection capacitors of up to 20µF in value and

size. The LX5115 architecture does not require

these components, allowing all the cost savings

associated with inventory, board space, assembly,

reliability, and component costs.

Receiver

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

Recognizing the needs of portable and

Reduced component counts is also inherent in

LX5268

ROVE

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

1 Meter, AWG 28

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

UltraMAX

Plastic SOWB

16-pin

LX5115CDW

LX5268

U L T R A 9 - C

Driver

R O D U C T I O N

R I V I N G

Quiescent

LX5115

PWP

H A N N E L

LX5115CPWP

AV E F O R M

N C

Plastic TSSOP

20-pin, Power

: 714-893-2570

ULTRA-FAST RESPONSE FOR FAST-20

SCSI APPLICATIONS

35MHz CHANNEL BANDWIDTH

LESS THAN 3pF OUTPUT CAPACITANCE

SLEEP-MODE CURRENT OF 150µA

NO EXTERNAL COMPENSATION

CAPACITORS

IMPLEMENTS 8-BIT OR 16-BIT ( WIDE )

APPLICATIONS

COMPATIBLE WITH ACTIVE NEGATION

DRIVERS (37mA / CHANNEL)

COMPATIBLE WITH PASSIVE AND

ACTIVE TERMINATIONS

APPROVED FOR USE WITH SCSI 1, 2, 3

AND ULTRA SCSI

HOT SWAP COMPATIBLE

PIN-FOR-PIN COMPATIBLE WITH

DS21S07A / 2105

S C S I T

- 2 0 M H

K E Y F E A T U R E S

A T A

"Understanding The Single-

Discussion On Applying

SCSI, Request Linfinity

LIN D

E R M I N A T O R

Application Note:

Ended SCSI Bus"

For An In-Depth

LX5115

H E E T

NOTE:

O C

#: 5115

Related parts for LX5115CD

LX5115CD Summary of contents

Page 1

... Receiver Driver 1 Meter, AWG 28 LX5115 LX5268 LX5268 Plastic SOIC Plastic SOWB D DW 16-pin 16-pin LX5115CD LX5115CDW Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number. (i.e. LX5115CDWT CA. 92841, 714-898-8121, F VENUE ARDEN ROVE LIN D TM LX5115 ...

Page 2

LX5115 ...

Page 3

UltraMAX ...

Page 4

LX5115 TERM POWER THERMAL LIMITING CIRCUIT DISABLE PIN ...

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