74HC20 Просмотр технического описания (PDF) - Philips Electronics

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Компоненты Описание

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74HC20

Dual 4-input NAND gate

Philips Electronics 

Philips Semiconductors

Dual 4-input NAND gate

PIN DESCRIPTION

PIN NO.

1, 9

2, 10

3, 11

4, 12

5, 13

6, 8

7

14

SYMBOL

1A, 2A

1B, 2B

n.c.

1C, 2C

1D, 2D

1Y, 2Y

GND

VCC

NAME AND FUNCTION

data inputs

data inputs

not connected

data inputs

data inputs

data outputs

ground (0 V)

positive supply voltage

Product specification

74HC/HCT20

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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