74LCXHR162245 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

74LCXHR162245

LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)

STMicroelectronics 

74LCXHR162245

INPUT AND OUTPUT 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

36, 35, 33, 32,

30, 29, 27, 26

47, 46, 44, 43,

41, 40, 38, 38

48

4, 10, 15, 21,

28, 34, 39, 45

7, 18, 31, 42

1DIR

1B1 to 1B8

2B1 to 2B8

2DIR

2G

2A1 to 2A8

1A1 to 1A8

1G

GND

VCC

Directional Control

Data Inputs/Outputs

Data Inputs/Outputs

Directional Control

Output Enable Input

Data Inputs/Outputs

Data Inputs/Outputs

Output Enable Input

Ground (0V)

Positive Supply Voltage

TRUTH TABLE

INPUTS

G

DIR

L

L

L

H

H

X

X : Don‘t Care

Z : High Impedance

FUNCTION

OUTPUT

A BUS B BUS

OUTPUT INPUT

INPUT OUTPUT

Z

Z

Yn

A=B

B=A

Z

IEC LOGIC SYMBOLS

2/10

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