lx5115a Microsemi Corporation, lx5115a Datasheet

lx5115a

Manufacturer Part Number

lx5115a

Description

Ultra 9 - Channel Scsi Terminator

Manufacturer

Microsemi Corporation

Datasheet

1.LX5115A.pdf (4 pages)

Current page: 1 of 4
Download datasheet (119Kb)

H E

The LX5115A 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.

LX5115A 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

N F I N I T E

Linfinity's UltraMAX architecture

11861 W

O W E R

0 to 70

(°C)

ESTERN

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

LX5115A

Append the letter "T" to part number. (i.e. LX5115ACDWT)

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

N N O V A T I O N

Plastic SOIC

16-pin

I N I T Y

LX5115ACD

, G

ARDEN

Receiver

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 LX5115A

architecture is much more tolerant of marginal

system integrations.

configurable peripherals, the LX5115A has a TTL

compatible sleep/disable mode.

current is typically 200µA 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 LX5115A architecture. Traditional termination

techniques require large stabilization and transient

protection capacitors of up to 20µF in value and

size. The LX5115A architecture does not require

these components, allowing all the cost savings

associated with inventory, board space, assembly,

reliability, and component costs.

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

1 Meter, AWG 28

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

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

UltraMAX

LX5115ACDW

Plastic SOWB

16-pin

LX5268

U L T R A 9 - C

Driver

R O D U C T I O N

Quiescent

LX5115A

PWP

H A N N E L

LX5115ACPWP

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 200µA

NO External Compensation Capacitors

Implements 8-Bit Or 16-Bit ( Wide )

Applications

Compatible With Active Negation

Drivers

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

K E Y F E A T U R E S

A T A

LX5115A

E R M I N A T O R

H E E T

NOTE:

Related parts for lx5115a

lx5115a Summary of contents

Page 1

... SCSI-1, -2, -3, UltraSCSI and beyond — providing the highest performance alternative available to- day. Another key improvement offered by the LX5115A 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 & ...

Page 2

... LX5115A Continuous Termination Voltage .......................................................................... 10V Continuous Output Voltage Range .............................................................. 0 to 5.5V Continuous Disable Voltage Range .............................................................. 0 to 5.5V Operating Junction Temperature ........................................................... 0°C to 125°C Storage Temperature Range ............................................................. -65° ...

Page 3

... OUT OUT SINK OUT LX5115A (Note 2) Recommended Operating Conditions Min. Typ. Max. 3.0 5.5 2.5 V TERM 0 0.8 0 125 LX5115A Min. Typ. Max. 2.65 2.85 2.1 2.2 5.5 210 225 200 -21 -23 -24 -17 - Units ° ...

Page 4

... LX5115A has been optimized to have only 3pF of capacitance per output in the sleep state. An additional feature of the LX5115A is its compatibility with active negation drivers. The device handles up to 7mA of sink current for drivers which exceed the 2.85V output high. UltraMAX is a trademark of Linfinity Microelectronics Inc. ...

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