ML6518CH Ver la hoja de datos (PDF) - Fairchild Semiconductor

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componentes Descripción

Fabricante

ML6518CH

18 Line Hot-Insertable Active SCSI Terminator

Fairchild Semiconductor 

PIN DESCRIPTION

TQFP SOIC

PIN# PIN# NAME

FUNCTION

1

25 L1

Signal termination for SCSI

bus line 1

2

26 L2

Signal termination for SCSI

bus line 2

3

27 L3

Signal termination for SCSI

bus line 3

4

28 L4

Signal termination for SCSI

bus line 4

5

1 L5

Signal termination for SCSI

bus line 5

6

2 L6

Signal termination for SCSI

bus line 6

7

3 L7

Signal termination for SCSI

bus line 7

8

4 L8

Signal termination for SCSI

bus line 8

9

6 L9

Signal termination for SCSI

bus line 9

11–14, 7, 22,

27–30 23

15

8

GND

DISCNKT

Ground

Terminator disconnect. Logic

input to disconnect the

terminator from the bus when

the SCSI device no longer

needs termination. DISCNKT

has a 200ký internal pull-up

resistor connected to

TERMPWR for use with a

mechanical switch

ML6518

TQFP SOIC

PIN# PIN# NAME

FUNCTION

16

11 L10

Signal termination for SCSI

bus line 10

17

12 L11

Signal termination for SCSI

bus line 11

18

13 L12

Signal termination for SCSI

bus line 12

19

14 L13

Signal termination for SCSI

bus line 13

20

15 L14

Signal termination for SCSI

bus line 14

21

16 L15

Signal termination for SCSI

bus line 15

22

17 L16

Signal termination for SCSI

bus line 16

23

18 L17

Signal termination for SCSI

bus line 17

24

19 L18

Signal termination for SCSI

bus line 18

25, 26

20, 21 TERMPWR Power should be connected

to the SCSI TERMPWR line.

A 22µF tantalum bypass

capacitor is recommended

as shown in the application

diagram

31, 32 24 VREF

2.85V VREF output. External

decoupling with a 10µF

tantalum in parallel with a

0.1µF ceramic capacitor is

recommended as shown in the

application diagram

REV. 1.0 10/25/2000

3

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