SN74ALVCH162835

18-BIT UNIVERSAL BUS DRIVER

WITH 3-STATE OUTPUTS

SCES121E – JULY 1997 – REVISED JUNE 1999

2

POST OFFICE BOX 655303

FUNCTION TABLE

INPUTS

OUTPUT

OE

LE

CLK

A

Y

H

X

X

X

Z

L

HX

L

L

L

HX

H

H

L

L

↑

LL

L

L

↑

HH

L

L

L or H

X

Y0†

† Output level before the indicated steady-state

input conditions were established

A6

47

A7

45

A8

44

A9

43

A10

42

A11

41

A12

40

A13

38

A14

37

A15

36

A16

34

A17

33

A18

31

OE

EN1

27

30

CLK

3

Y1

5

Y2

6

Y3

9

Y5

10

Y6

12

Y7

13

Y8

14

Y9

15

Y10

16

Y11

17

Y12

19

Y13

20

Y14

21

Y15

23

Y16

24

Y17

26

Y18

C3

28

LE

G2

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

A1

54

A2

52

A3

51

A4

49

A5

48

2C3

8

Y4

3D

1

1