M74HCT240 datasheet(2/12 Pages) STMICROELECTRONICS

Numer części	M74HCT240

Szczegółowy opis	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED

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INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION (HCT240)

PIN No

SYMBOL

NAME AND FUNCTION

1

1G

Output Enable Input

2, 4, 6, 8

1A1 to 1A4

Data Inputs

9, 7, 5, 3

2Y1 to 2Y4

Data Outputs

11, 13, 15,

17

2A1 to 2A4

Data Inputs

18, 16, 14,

12

1Y1 to 1Y4

Data Outputs

19

2G

Output Enabel Input

10

GND

Ground (0V)

20

VCC

Positive Supply Voltage

PIN DESCRIPTION (HCT244)

PIN No

SYMBOL

NAME AND FUNCTION

1

1G

Output Enable Input

2, 4, 6, 8

1A1 to 1A4

Data Inputs

9, 7, 5, 3

2Y1 to 2Y4

Data Outputs

11, 13, 15,

17

2A1 to 2A4

Data Inputs

18, 16, 14,

12

1Y1 to 1Y4

Data Outputs

19

2G

Output Enabel Input

10

GND

Ground (0V)

20

VCC

Positive Supply Voltage

PIN DESCRIPTION (HCT241)

PIN No

SYMBOL

NAME AND FUNCTION

1

1G

Output Enable Input

2, 4, 6, 8

1A1 to 1A4

Data Inputs

9, 7, 5, 3

2Y1 to 2Y4

Data Outputs

11, 13, 15,

17

2A1 to 2A4

Data Inputs

18, 16, 14,

12

1Y1 to 1Y4

Data Outputs

19

2G

Output Enabel Input

10

GND

Ground (0V)

20

VCC

Positive Supply Voltage

HCT244

HCT241

HCT240

M54/M74HCT240/241/244

2/12

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Podobny opis - M74HCT240

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