PI74AVC+16836

2.5V 20-Bit Universal Bus

Driver with 3-State Outputs

2

PS8511A

02/06/01

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PinConfiguration

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

25

26

27

28

32

31

30

29

CLK

A1

A2

GND

A3

A4

A5

A6

A7

GND

A8

A9

A10

A11

A12

A13

GND

A14

A15

A16

A17

A18

GND

A19

A20

LE

OE

Y1

Y2

GND

Y3

Y4

Y5

Y6

Y7

GND

Y8

Y9

Y10

Y11

Y12

Y13

GND

Y14

Y15

Y16

Y17

Y18

GND

Y19

Y20

NC

56-Pin

A,K

Product Pin Description

Note:

1

H = High Signal Level

L = Low Signal Level

Z = High Impedance

↑ = TransitionLOW-to-HIGH

X = Irrelevant

2. Output level before the indicated steady-state input

conditions were established.

s

t

u

p

n

I

s

t

u

p

t

u

O

Y

E

OE

LK

L

CA

HXXX

Z

LL

X

L

L

L

L

XHH

LH

↑

LL

LH

↑

HH

LH

H

r

o

LX

o

Y

)

2

(

e

m

a

N

n

i

Pn

o

i

t

p

i

r

c

s

e

D

E

O)

W

O

L

e

v

i

t

c

A

(

t

u

p

n

I

e

l

b

a

n

E

t

u

p

t

u

O

E

L)

W

O

L

e

v

i

t

c

A

(

e

l

b

a

n

E

h

c

t

a

L

K

L

Ct

u

p

n

I

k

c

o

l

C

At

u

p

n

I

a

t

a

D

Yt

u

p

t

u

O

a

t

a

D

D

N

Gd

n

u

o

r

G

c

c

Vr

e

w

o

P