54VCXH162245 datasheet(5/18 Pages) STMICROELECTRONICS | Rad hard low voltage CMOS 16-bit bus buffer transceiver (3-state) with 3.6V tolerant inputs and outputs

Part Name

Description

54VCXH162245

Rad hard low voltage CMOS 16-bit bus buffer transceiver (3-state) with 3.6V tolerant inputs and outputs ( 18 Page)

STMICROELECTRONICS

5 page

54VCXH162245

Pin settings

5/18

2.2

Pin description

2.3

Truth table

Note:

X = Do not care; Z = High Impedance

Table 1. Pin description

Pin N°

Symbol

Name and function

1DIR

Directional control

2, 3, 5, 6, 8, 9, 11, 12

1B1 to 1B8

Data Inputs/Outputs

13, 14, 16, 17, 19, 20, 22, 23

2B1 to 2B8

Data Inputs/Outputs

2DIR

Directional Control

Output enable input

36, 35, 33, 32, 30, 29, 27, 26

2A1 to 2A8

Data Inputs/Outputs

47, 46, 44, 43, 41, 40, 38, 38

1A1 to 1A8

Data Inputs/Outputs

Output Enable Input

4, 10, 15, 21, 28, 34, 39, 45

GND

Ground (0V)

7, 18, 31, 42

VCC

Positive supply voltage

Table 2. Truth table

Inputs

Function

Output

DIR

A BUS

B BUS

OUTPUT

INPUT

A = B

INPUT

OUTPUT

B = A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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