6A259

8-BIT ADDRESSABLE

DMOS POWER DRIVER

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

Copyright © 2000, Allegro MicroSystems, Inc.

FUNCTION TABLE

Inputs

Addressed

Other

CLEAR ENABLE DATA

OUTPUT

OUTPUTs

Function

HL

H

L

R

Addressable

HL

L

H

R

Latch

H

H

X

R

R

Memory

LL

H

L

H

8-Line

LL

L

H

H

Demultiplexer

L

H

X

H

H

Clear

L = Low Logic Level

H = High Logic Level

X = Irrelevant

R = Previous State

LATCH SELECTION TABLE

Select Inputs

Addressed

OUTPUT

LLL

0

LL

H

1

LH

L

2

LH

H

3

HL

L

4

HL

H

5

HH

L

6

HHH

7

DMOS POWER DRIVER OUTPUT

LOGIC INPUTS

Dwg. EP-063-5

OUT

IN

Dwg. EP-010-15

V

DD

A6A259KLB (SOIC)

POWER

GROUND

CLEAR

POWER

GROUND

ENABLE

EN

POWER

GROUND

POWER

GROUND

DATA

LOGIC

GROUND

POWER

GROUND

POWER

GROUND

POWER

GROUND

POWER

GROUND

LOGIC

SUPPLY

Dwg. PP-050-3A

1

2

3

817

18

19

20

21

23

4

5

6

7

22

24

12

9

10

11

13

14

15

16

50

75

100

125

150

5

1

0

TEMPERATURE IN

°C

4

3

2

25

Dwg. GP-049-5

SUFFIX 'LB', R

= 6.0

°C/W

θJT

R

= 55

°C/W

θJA

SUFFIX 'A', R

= 25

°C/W

θJC