M74HCT158C1R 데이터 시트보기 (PDF) - STMicroelectronics

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M74HCT158C1R

HCT158 QUAD 2 CHANNEL MULTIPLEXER (INV.) HCT157 QUAD 2 CHANNEL MULTIPLEXER

STMicroelectronics 

M54/M74HCT157 M54/M74HCT158

CHIP CARRIER

HCT157

HCT158

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION (for HCT157)

PIN No

1

2, 5, 11, 14

3, 6, 10, 13

4, 7, 9, 12

15

8

16

SYMBOL

SELECT

1A to 4A

1B to 4B

1Y to 4Y

STROBE

GND

VCC

NAME AND FUNCTION

Common Data Select

Input

Data Inputs From

Source A

Data Inputs From

Source B

Multiplexer Output

Strobe Input

Ground (0V)

Positive Supply Voltage

PIN DESCRIPTION (for HCT158)

PIN No

1

2, 5, 11, 14

3, 6, 10, 13

4, 7, 9, 12

15

8

16

SYMBOL

SELECT

1A to 4A

1B to 4B

1Y to 4Y

STROBE

GND

VCC

NAME AND FUNCTION

Common Data Select

Input

Data Inputs From

Source A

Data Inputs From

Source B

Multiplexer Output

Strobe Input

Ground (0V)

Positive Supply Voltage

2/11

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