M54HC7244 查看數據表（PDF） - STMicroelectronics

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M54HC7244

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED

STMicroelectronics 

IEC LOGIC SYMBOLS

HC7240

HC7241

M54/M74HC7240/7241/7244

HC7244

TRUTH TABLE

INPUT

G

G (HC7241)

An

L

H

L

L

H

H

H

L

X

X: ”H” or ”L”

Z: High impedance

CIRCUIT SCHEMATIC (1/8 PACKAGE)

HC7240

Yn (HC7240)

H

L

Z

OUTPUT

Yn (HC7241)

L

H

Z

Yn (HC7244)

L

H

Z

HC7244

3/12

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