LX5219CPWT datasheet, PDF - EEWORLD Datasheet

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LX5219CPWT: DescriptionSCSI Terminator, 9-Line, 110ohm, PDSO20; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size243KB，12 Pages; ManufacturerMicrosemi; Websitehttps://www.microsemi.com

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LX5219CPWT Overview

SCSI Terminator, 9-Line, 110ohm, PDSO20

LX5219CPWT Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Microsemi
Parts packaging code	TSSOP
package instruction	PLASTIC, TSSOP-20
Contacts	20
Reach Compliance Code	not_compliant
ECCN code	EAR99
Differential output	NO
Interface integrated circuit type	SCSI BUS TERMINATOR
JESD-30 code	R-PDSO-G20
JESD-609 code	e0
length	6.5 mm
Humidity sensitivity level	1
Number of functions	1
Number of signal lines	9
Number of terminals	20
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Nominal pull-up resistor	110 Ω
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	3.5 V
Nominal supply voltage	4.75 V
surface mount	YES
technology	BICMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	4.4 mm
Base Number Matches	1

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LIN D

O C

5219

UltraMAX

H E

LX5219

A T A

U LT R A 9 - C

HANNEL

S C S I T

E R M I N ATOR

N F I N I T E

O W E R

O F

N N O VA T I O N

R O D U C T I O N

H E E T

DESCRIPTION

The LX5219 SCSI terminator is part of Linfinity's

UltraMAX family of high-performance, adaptive, non-

linear mode SCSI products, which are designed to

deliver true UltraSCSI performance in SCSI applica-

tions. The low voltage BiCMOS architecture em-

ployed in its design offers superior performance to

older linear passive and active techniques. Linfinity's

UltraMAX architecture 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. It is approved for use with SCSI-

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

highest performance alternative available today.

Another key improvement offered by the LX5219

lies in its ability to insure reliable, error free com-

munications even in systems which do not adhere

to recommended SCSI hardware design guidelines,

such as the use of improper cable lengths and

impedances. Frequently, this situation is not con-

trolled by the peripheral or host designer and, when

problems occur, they are the first to be made aware

of the problem. The LX5219 architecture is much

more tolerant of marginal system integrations.

Recognizing the needs of portable and

configurable peripherals, the LX5219 has an active

low TTL compatible sleep/disable mode. Quiescent

current is typically less than (275µA) 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 compo-

nents which, often times results in field returns due

to mishandling.

Reduced component counts is also inherent in

the LX5219 architecture. Traditional termination

techniques require large stabilization and transient

protection capacitors of up to 20µF in value and

size. The LX5219 architecture does not require these

components, allowing all the cost savings associated

with inventory, board space, assembly, reliability,

and component costs.

K E Y F E AT U R E S

ULTRA-FAST RESPONSE FOR FAST-20

SCSI APPLICATIONS

HOT SWAP COMPATIBLE

35MHz CHANNEL BANDWIDTH

3.5V OPERATION

LESS THAN 3pF OUTPUT CAPACITANCE

SLEEP-MODE CURRENT LESS THAN

275µA

THERMALLY SELF LIMITING

NO EXTERNAL COMPENSATION

CAPACITORS

IMPLEMENTS 8-BIT OR 16-BIT (WIDE)

APPLICATIONS

COMPATIBLE WITH ACTIVE NEGATION

DRIVERS (60mA / CHANNEL)

COMPATIBLE WITH PASSIVE AND

ACTIVE TERMINATIONS

APPROVED FOR USE WITH SCSI 1, 2, 3

AND ULTRASCSI

CONSULT FACTORY FOR APPLICATION

TEST REPORT

EVALUATION BOARD AVAILABLE

IMPORTANT:

For the most current data, consult LinFinity's web site:

http://www.linfinity.com.

PRODUCT HIGHLIGHT

E C E I V I N G

AV E F O R M

- 2 0 M H

R I V I N G

AV E F O R M

- 2 0 M H

Receiver

1 Meter, AWG 28

LX5219

LX5268

Driver

LX5219

LX5268

PA C K A G E O R D E R I N F O R M AT I O N

(°C)

0 to 70

Plastic SOWB

16-pin

LX5219CDW

Plastic TSSOP

20-pin

LX5219CPW

NOTE:

For An In-Depth

Discussion On Applying

SCSI, Request Linfinity

Application Note:

"Understanding The

Single-Ended SCSI Bus"

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

Append the letter "T" to part number. (i.e. LX5219CDWT)

Rev. 1.8 3/98

INITY

ICROELECTRONICS

11861 W

ESTERN

VENUE

, G

ARDEN

ROVE

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

: 714-893-2570

LX5219CPWT Related Products

	LX5219CPWT	LX5219CDWT
Description	SCSI Terminator, 9-Line, 110ohm, PDSO20	SCSI Terminator, 9-Line, 110ohm, BICMOS, PDSO16, PLASTIC, SO-16
Is it Rohs certified?	incompatible	incompatible
Maker	Microsemi	Microsemi
package instruction	PLASTIC, TSSOP-20	PLASTIC, SO-16
Reach Compliance Code	not_compliant	not_compliant
ECCN code	EAR99	EAR99
Differential output	NO	NO
Interface integrated circuit type	SCSI BUS TERMINATOR	SCSI BUS TERMINATOR
JESD-30 code	R-PDSO-G20	R-PDSO-G16
JESD-609 code	e0	e0
length	6.5 mm	10.285 mm
Humidity sensitivity level	1	1
Number of functions	1	1
Number of signal lines	9	9
Number of terminals	20	16
Maximum operating temperature	70 °C	70 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	SOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260	260
Nominal pull-up resistor	110 Ω	110 Ω
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.2 mm	2.65 mm
Maximum supply voltage	5.5 V	5.5 V
Minimum supply voltage	3.5 V	3.5 V
Nominal supply voltage	4.75 V	4.75 V
surface mount	YES	YES
technology	BICMOS	BICMOS
Temperature level	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	GULL WING
Terminal pitch	0.65 mm	1.27 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	40	40
width	4.4 mm	7.62 mm
Base Number Matches	1	1

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