ICL8068/ICL7104 Просмотр технического описания (PDF) - Intersil

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Компоненты Описание

производитель

ICL8068/ICL7104

14-Bit/16-Bit, Microprocessor Compatible, 2-Chip, A/D Converter

Intersil 

ICL8052/ICL7104, ICL8068/ICL7104

CONTROL

CONVERT

MODE

R/H

OR

≥18

POL

8052A/

8068A

7104 -16

MSB

18

LSB

CE/LD HBEN MBEN LBEN

OR CHIP SELECT 2

CHIP SELECT 1

FIGURE 2. FULL 18-BIT THREE-STATE OUTPUT

CONVERT

MODE CE/LD R/H

OR

2

POL

8052A/

8068A

7104

MSB

8

8

LSB

HBEN MBEN LBEN

CONVERT

MODE CE/LD

8052A/

8068A

7104

R/H

OR

2

POL

MSB

16

LSB

HBEN MBEN LBEN

CONVERT

MODE CE/LD R/H

8052A/

8068A

OR

POL

7104

MSB

10

8

LSB

HBEN MBEN LBEN

CONTROL

CONTROL

FIGURE 3. VARIOUS COMBINATIONS OF BYTE DISABLES

CONTROL

CE/LD

AS INPUT

HBEN

AS INPUT

MBEN

AS INPUT

LBEN

AS INPUT

HIGH BYTE

DATA

MIDDLE

BYTE

ENABLE

LOW BYTE

ENABLE

tBEA

tDAB

DATA

VALID

tDHB

DATA

VALID

tDAC

= HIGH IMPEDANCE

FIGURE 4. DIRECT MODE TIMING DIAGRAM

tCEA

DATA

VALID

DATA

VALID

DATA

VALID

tDHC

5-14

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