Philips Semiconductors FAST Products

Product specification

74F8962/8963

9-Bit latched bidirectional Futurebus transceivers

(open-collector)

March 11, 1993

2

PIN CONFIGURATION FLATPACK AND PLCC

IEC/IEEE SYMBOL

74F8962

6

5

4

3

2

1

39

38

37

36

35

34

13

12

11

10

9

8

24

22

23

21

20

19

44

33

18

7

AO0

AI1

AO1

GND

AI0

VCC OEBA

AO7

AI7

GND

28

26

27

25

43

42

41

40

LEBA BO

GND

B1

32

31

30

29

17

16

15

14

AI2

AO2

A13

AO3

AI4

GND

AO4

AI5

AO5

AI6

AO6

AI8 AO8

VCC LEAB OEAB B8

GND

B7

GND

B2

GND

B3

GND

B4

GND

B5

GND

B6

GND

74F8962

42

EN1

EN2

EN3

EN4

1

24

25

43

44

40

38

36

34

32

30

28

26

2

3

4

5

7

8

9

10

11

13

14

15

16

17

19

20

21

22

2

4

3D

PIN DESCRIPTION

SYMBOL

PINS

TYPE

NAME AND FUNCTION

AI0 – AI8

2, 4, 7, 9, 11, 14, 16, 19, 21

Input

PNP latched inputs.

B0 – B8

42, 40, 38, 36, 34, 32, 30, 28, 26

I/O

Data input / open collector output, high current drives.

OEAB

25

Input

Output enable input. Enables the B outputs when low.

OEBA

44

Input

Output enable input. Enables the A outputs when high.

LEAB

24

Input

Latch enable input. Enables the AB latches low.

LEBA

43

Input

Latch enable input. Enables the BA latches low.

AO0 – AO8

3, 5, 8, 10, 13, 15, 17, 20, 22

Output

TTL 3–state outputs.

GND

6, 12, 18, 27, 29, 31, 33, 35, 37, 39, 41

Ground

Grounds

1, 23

Power

Positive supply voltages