74VHCT16244ATTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

74VHCT16244ATTR

16-BIT BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

74VHCT16244A

INPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No

SYMBOL NAME AND FUNCTION

1

2, 3, 5, 6

8, 9, 11, 12

13, 14, 16, 17

19, 20, 22, 23

24

25

30, 29, 27, 26

36, 35, 33, 32

41, 40, 38, 37

47, 46, 44, 43

48

4, 10, 15, 21,

28, 34, 39, 45

7, 18, 31, 42

1G

1Y1 to 1Y4

2Y1 to 2Y4

3Y1 to 3Y4

4Y1 to 4Y4

4G

3G

4A1 to 4A4

3A1 to 3A4

2A1 to 2A4

1A1 to 1A4

2G

GND

VCC

Output Enable Input

Data Outputs

Data Outputs

Data Outputs

Data Outputs

Output Enable Input

Output Enable Input

Data Outputs

Data Outputs

Data Outputs

Data Outputs

Output Enable Input

Ground (0V)

Positive Supply Voltage

TRUTH TABLE

INPUTS

G

An

L

L

L

H

H

X

X : Don‘t Care

Z : High Impedance

OUTPUT

Yn

L

H

Z

IEC LOGIC SYMBOLS

2/9

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