ICL7109CPL datasheet(22/25 Pages) INTERSIL

22 / 25 page

The applications of the ICL7109 are not limited to those

shown here. The purposes of these examples are to pro-

vide a starting point for users to develop useful systems

and to show some of the variety of interfaces and uses of

the combination. In particular the uses of the STATUS,

RUN/HOLD, and MODE signals may be mixed.

The following application notes contain very useful

information on understanding and applying this part and

are available from Intersil Corporation.

Application Notes

NOTE #

DESCRIPTION

AnswerFAX

DOC. #

AN016

“Selecting A/D Converters”

9016

AN017

“The Integrating A/D Converter”

9017

AN018

“Do’s and Don’ts of Applying A/D

Converters”

9018

AN030

“The ICL7104 - A Binary Output A/D

Converter for Microprocessors”

9030

AN032

“Understanding the Auto-Zero and

Common Mode Performance of the

ICL7136/7/9 Family”

9032

FIGURE 17. DIRECT INTERFACE - ICL7109 TO 8080/8085

MODE

ICL7109

B9 - B12

B1 - B8

RUN/HOLD

LBEN

HBEN

GND

ANALOG

+5V

POL, OR

CE/LOAD

A14

A15

ADDRESS BUS

CONTROL BUS

†

DATA BUS

8008, 8080, 8085

† MEMR OR IOR

FOR 8080/8228 SYSTEM

ICL7109

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