SN54ALS259, SN74ALS259

8BIT ADDRESSABLE LATCHES

SDAS217A − DECEMBER 1982 − REVISED DECEMBER 1994

2

POST OFFICE BOX 655303

POST OFFICE BOX 1443

Function Tables (Continued)

LATCH SELECTION

SELECT INPUTS

LATCH

S2

S1

S0

LATCH

ADDRESSED

L

L

L

0

L

LH

1

L

HL

2

L

HH

3

H

LL

4

H

LH

5

H

HL

6

H

H

H

7

8M

0

7

0

1

S0

2

S1

2

3

S2

G8

14

Z10

15

Z9

13

D

9, 0D

Q0

4

G

CLR

10, 0R

9, 1D

Q1

5

10, 1R

9, 2D

Q2

6

10, 2R

9, 3D

Q3

7

10, 3R

9, 4D

Q4

9

10, 4R

9, 5D

Q5

10

10, 5R

9, 6D

Q6

11

10, 6R

9, 7D

Q7

12

10, 7R

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

Pin numbers shown are for the D, J, and N packages.