MC74LVX8051 Просмотр технического описания (PDF) - ON Semiconductor

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MC74LVX8051

Analog Multiplexer/ Demultiplexer

ON Semiconductor 

MC74LVX8051

+5V

+5V

ANALOG

16

ANALOG

+5V

ON

0V

SIGNAL

SIGNAL

0V

6

11

TO EXTERNAL CMOS

10

CIRCUITRY 0 to 5V

8

9

DIGITAL SIGNALS

VCC

VCC

VCC

Dx

16

Dx

ON/OFF

Dx

Dx

GND

GND

8

Figure 15. Application Example

Figure 16. External Germanium or

Schottky Clipping Diodes

+5V

+5V

+5V

ANALOG

16

ANALOG

+5V

+5V

ANALOG

16

ANALOG

+5V

ON/OFF

ON/OFF

GND

SIGNAL

SIGNAL

GND

+5V

GND

SIGNAL

SIGNAL

GND

*

RRR

+5V

6

11

10

8

9

LSTTL/NMOS

CIRCUITRY

6

11

10

8

9

LSTTL/NMOS

CIRCUITRY

* 2K ≤ R ≤ 10K

a. Using Pull−Up Resistors

VHCT1GT50

BUFFERS

b. Using HCT Interface

Figure 17. Interfacing LSTTL/NMOS to CMOS Inputs

11

A

10

B

9

C

6

ENABLE

LEVEL

SHIFTER

LEVEL

SHIFTER

LEVEL

SHIFTER

LEVEL

SHIFTER

Figure 18. Function Diagram, LVX8051

13

X0

14

X1

15

X2

12

X3

1

X4

5

X5

2

X6

4

X7

3

X

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9

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