SN74ALVCH16823

18-BIT BUS-INTERFACE FLIP-FLOP

WITH 3-STATE OUTPUTS

SCES038D – JULY 1995 – REVISED FEBRUARY 1999

2

POST OFFICE BOX 655303

FUNCTION TABLE

(each 9-bit flip-flop)

INPUTS

OUTPUT

OE

CLR

CLKEN

CLK

D

Q

L

L

X

X

X

L

L

HL

↑

HH

L

HL

↑

LL

L

HL

L

X

Q0

L

HH

X

X

Q0

H

X

X

X

X

Z

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

EN1

2

56

1CLK

3C4

4D

54

1D1

1Q1

3

52

1D2

1Q2

5

51

1D3

1Q3

6

49

1D4

1Q4

8

48

1D5

1Q5

9

47

1D6

1Q6

10

45

1D7

1Q7

12

44

1D8

1Q8

13

43

1D9

1Q9

14

1, 2

8D

42

2D1

2Q1

15

41

2D2

2Q2

16

40

2D3

2Q3

17

38

2D4

2Q4

19

37

2D5

2Q5

20

36

2D6

2Q6

21

34

2D7

2Q7

23

33

2D8

2Q8

24

31

2D9

2Q9

26

5, 6

R2

1

G3

55

EN5

27

29

2CLK

7C8

R6

28

G7

30

1OE

1CLR

1CLKEN

2OE

2CLR

2CLKEN