MC74HC4051AD Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC74HC4051AD

Analog Multiplexers/Demultiplexers

Motorola => Freescale 

MC54/74HC4051A MC74HC4052A MC54/74HC4053A

+5V

+5V

ANALOG

16

ANALOG

+5V

ON

–5V

SIGNAL

SIGNAL

–5V

6

11

TO EXTERNAL CMOS

7

10

CIRCUITRY 0 to 5V

8

9

DIGITAL SIGNALS

–5V

Figure 15. Application Example

VCC

VCC VCC

Dx

16 Dx

ON/OFF

Dx

Dx

VEE

VEE

7

8

VEE

Figure 16. External Germanium or

Schottky Clipping Diodes

+5V

+5V

ANALOG

16

ANALOG

+5V

ON/OFF

VEE

SIGNAL

SIGNAL

+5V

VEE

*

RRR

+5V

+5V

ANALOG

16

ANALOG

+5V

ON/OFF

VEE

SIGNAL

SIGNAL

VEE

+5V

6

11

7

10

8

9

LSTTL/NMOS

CIRCUITRY

VEE

* 2K ≤ R ≤ 10K

a. Using Pull–Up Resistors

6

11

7

10

8

9

VEE

HCT

BUFFER

b. Using HCT Interface

LSTTL/NMOS

CIRCUITRY

Figure 17. Interfacing LSTTL/NMOS to CMOS Inputs

11

A

LEVEL

SHIFTER

13

X0

14

X1

10

B

LEVEL

SHIFTER

15

X2

12

X3

9

C

LEVEL

SHIFTER

1

X4

5

X5

6

ENABLE

LEVEL

SHIFTER

2

X6

4

X7

3

X

Figure 18. Function Diagram, HC4051A

High–Speed CMOS Logic Data

11

DL129 — Rev 6

MOTOROLA

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