LX5204CDP Microsemi Corporation, LX5204CDP Datasheet

LX5204CDP

Manufacturer Part Number

LX5204CDP

Description

9-LINE HOT SWAP/ POWER SCSI TERMINATOR

Manufacturer

Microsemi Corporation

Datasheet

1.LX5204CDP.pdf (4 pages)

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Rev. 1.1

H E

The LX5204 is a nine-line active terminator

for the SCSI parallel bus. This SCSI standard

recommends active termination at both

ends of the SCSI bus. The LX5204 has the

added features of hot swappability, fully

complying with the SCSI hot swap speci-

fication.

quires a meager 60µA of supply current while

offering only 3.5pF of output capacitance.

To enter this low-power mode, the discon-

nect pin can be left open (floating) or driven

high, thereby disconnecting the terminating

resistors and placing the internal low dropout

regulator into low-power mode. In discon-

nect mode, each termination line presents

a high impedance to the SCSI bus with the

overall effect being to preserve high-signal

integrity and yield subsequent reliable, error-

free communications.

IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com.

During disconnect mode, the LX5204 re-

12/96

N F I N I T E

E C E I V I N G

11861 W

O W E R

AV E F O R M

ESTERN

O F

D E S C R I P T I O N

LX5204

I N

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

VENUE

0 to 70

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. LX5204CDPT)

- 10MH

N N O V A T I O N

(°C)

I N I T Y

, G

Receiver

ARDEN

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

consumes only 600µA of current, which is

the lowest enabled supply current of any

terminator available on the market today.

Linfinity's proprietary BiCMOS low dropout

regulator architecture enables this unique

and very efficient operating characteristic.

trimmed channel output current specified

to a 5% tolerance. The maximum value

of the output current is trimmed as closely

as possible to the SCSI standard maximum

specification to give the highest possible

noise margin for fast SCSI operation. And

the LX5204 sinks up to 150mA of current,

making it compatible with today's fast

active negation drivers.

replacement for a variety of industry prod-

ucts such as the UC5603 and UC5613.

PWP

During normal operation, the LX5204

The LX5204 also offers a precisely

The LX5204 is a superior, pin-for-pin

LX5268

LX5204CPWP

1 Meter, AWG 28

Plastic TSSOP

24-pin, Power

ROVE

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

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

LX5268

9-L

I N E

Driver

R O D U C T I O N

Plastic SOIC

16-pin, Power

LX5204CDP

R I V I N G

O T

LX5204

WA P

N C

, µP

AV E F O R M

: 714-893-2570

O W E R

3.5pF OUTPUT CAPACITANCE DURING

DISCONNECT

HOT SWAP COMPATIBLE

60µA SUPPLY CURRENT IN DISCON-

NECT MODE

600µA SUPPLY CURRENT DURING

NORMAL OPERATION

150mA SINK CURRENT FOR ACTIVE

NEGATION

LOGIC COMMAND DISCONNECTS ALL

TERMINATION LINES

CURRENT LIMIT AND THERMAL

PROTECTION

COMPATIBLE WITH SCSI 1, 2 AND 3

STANDARDS

CONSULT FACTORY FOR APPLICATION

TEST REPORT: 5204TR

K E Y F E A T U R E S

A T A

Discussion On Applying

Single-Ended SCSI Bus"

SCSI, Request Linfinity

- 10MH

SCSI T

"Understanding The

Application Note:

For An In-Depth

LIN D

NOTE:

E R M I N AT O R

LX5204

H E E T

O C

#: 5204

Related parts for LX5204CDP

LX5204CDP Summary of contents

Page 1

... Plastic TSSOP PWP DP T (°C) A 24-pin, Power LX5204CPWP Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number. (i.e. LX5204CDPT CA. 92841, 714-898-8121, F VENUE ARDEN ...

Page 2

LX5204 ...

Page 3

9 ...

Page 4

LX5204 DISCONNECT TERM POWER 5V V TERM 2.2µF LX5204 REGOUT 2.2µF TERMPWR V TERM LX5204 REGOUT ...

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