BH9596 ROHM [Rohm], BH9596 Datasheet

BH9596

Manufacturer Part Number

BH9596

Description

SCSI active terminator

Manufacturer

ROHM [Rohm]

Datasheet

1.BH9596.pdf (6 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

BH9596FP

Manufacturer:

ROHM/罗姆

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

BH9596FP-YE1

Manufacturer:

FCI

Quantity:

970

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Download datasheet (72Kb)

These SCSI active terminators, developed as a substitute for conventional discrete terminators, maintain good con-

sistency between VM level (2.85V) and GND level (0V) and between VM level and VDD level, and have extremely

low power consumption, dropping to a maximum of 90 milliwatts at standby (compared to the maximum of 990 milli-

watts used by conventional resistance terminators). These SCSI active terminators electrically control SCSI lines,

connecting and disengaging the terminating resistor by electrically controlling the enable pin. (The enable pin is

enabled at the HIGH level and switched to the High-Z state by the LOW level in the BH9595 and by the HIGH level in

the BH9596, completely disconnecting the SCSI line from the SCSI terminator.)

These SCSI active terminators allow for the configuration of flexible, energy-saving SCSI networks, and are ideal for

notebook computers, hard disk drives and a wide range of other products with SCSI capabilities.

•

Compact disk drives, optical disk drives, CD-ROM dri-

ves, tape drives, personal computers (including laptop

computers and notebook computers), workstations,

mainframes, laser printers, plotters

•

1) Internal 2.85V power supply and push-pull opera-

2) Enable pin for terminator enabling and disconnect-

3) Low power consumption, ideal for energy-saving

Applications

Features

SCSI active terminator

BH9595FP-Y / BH9596FP-Y

Mulimedia ICs

tion, for good consistency at all signal levels.

ing, facilitating SCSI network construction.

systems.

Power consumption during standby : 90mW (com-

pared to 990mW for conventional resistor termina-

tors)Power consumption at 25% duty : 614mW

(compared to 1,360mW for convention resistor ter-

minators)Significant reductions in power consump-

tion are possible.

4) Wide operating range.

5) Thin, microminiature design, ideal for space-saving

6) Active termination of 18-line SCSI.

7) Internal thermal shutdown circuit.

8) Compatibility with SCSI-I and SCSI-II.

TERM power : 4.0 ~ 5.5V (Transient : 6.0V)

applications.

Package body size : 13.6

5.4

1.9mm

Related parts for BH9596

BH9596 Summary of contents

Page 1

... HIGH level and switched to the High-Z state by the LOW level in the BH9595 and by the HIGH level in the BH9596, completely disconnecting the SCSI line from the SCSI terminator.) These SCSI active terminators allow for the configuration of flexible, energy-saving SCSI networks, and are ideal for notebook computers, hard disk drives and a wide range of other products with SCSI capabilities. • ...

Page 2

... POW 9 (PUSH - PULL) (PUSH - PULL (PUSH - PULL) 2.85V SUPPLY 12 POW (PUSH - PULL DD1 2.85V GENERATER BH9595FP-Y (TRMPWR) Schottky barrier diodes + 0.1 2.2 – BH9595FP-Y / BH9596FP-Y Unit Unit TSD POW SCSI LINE 14 23 POW 22 SCSI LINE 13 ...

Page 3

... M — 1.0 2.0 300 — 550 300 — 550 105 — 115 SL — 5.0 6 BH9595FP-Y / BH9596FP-Y Pin name 14 V DD1 15 SCSI Line 6 16 SCSI Line 7 17 SCSI Line 8 18 SCSI Line 9 19 SCSI Line 10 — GND 20 SCSI Line 11 21 SCSI Line 12 ...

Page 4

... VM VM TD1 VM TD2 TD1 TD2 TS1 SCSI Line V DD1 SCSI Active Terminator VM Fig. 1 Measurement of transient characteristics BH9595FP-Y / BH9596FP-Y Unit Conditions EN = DISABLE , 4.0 V DD1 mV All SCSI Lines: 2.85V GND Level EN = DISABLE , 4.0 V DD1 s All SCSI Lines: 2.85V GND Level EN = DISABLE , 4.0 V DD1 mV All SCSI Lines: GND 2.85V Level EN = DISABLE , 4 ...

Page 5

... Mulimedia ICs • Application example System Power + 2.2 – V DD1 EN GND TERMPWR Line SCSI Line SCSI Line #1 #1 SCSI DATA LINES SCSI Active Terminator #18 # Fig. 2 BH9595FP-Y / BH9596FP-Y System Power + 2.2 – V DD1 SCSI Active Terminator EN GND 5 ...

Page 6

... HSOP25 6 • Thermal reduction curve BH9596FP - When mounted Reduced by 11.6mW for each increase over Can withstand continuous use of 64% duty 0.3Min. 0.15 BH9595FP-Y / BH9596FP-Y 2.5 1.50 1.45W Duty64% 1.00 0. 100 125 150 175 AMBIENT TEMPERATURE Fig ...

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