Notes

1.The suffix or subscript 0 denotes the least significant bit (LSB) of a data or address word.

2.Letters may be used to identify a line or logic element without indicating a specific logic function. For example:

-- - A

-- - B

-C

MUX

O-

7---

• A

O-

l+---

• B

0

l---

• c

D E P E N D E N C Y ( G a n d F )

T r i p l e Z - C h a n n e l M u l t i p l e x e r

L e t t e r s a r e u s e d t o r e l a t e c o n t r o l

i n p u t s t o l o g i c e l e m e n t s . T h e

n u m e r a l s 0 a n d 1 i n d i c a t e O - s t a t e a n d l - s t a t e , r e s p e c t i v e l y , a n d

r e l a t e t h e p o s i t i o n o f a “ s w i t c h ” t o t h e l o g i c s t a t e o f t h e c o r r e s - p o n d i n g c o n t r o l l i n e .

T h e d e p e n d e n c y o f i n p u t s o r o u t p u t s o n a n i n p u t i s i n d i c a t e d w i t h

g a t e s y m b o l s o r t h e G l i n e l a b e l . G a t e s y m b o l s a r e o f t e n u s e d w h e n t h e d e p e n d e n c y e x i s t s b e t w e e n i n p u t s . T w o e x a m p l e s a r e :

1T w o i n p u t s ANDed t o p r o d u c e a r e s e t

Figure 6. Schematic Symbols for Digital Integrated Circuits (5 of 7)

General Information 17