M74HC280M1R(2001) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M74HC280M1R
(Rev.:2001)

9 BIT PARITY GENERATOR

STMicroelectronics 

M74HC280

INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

PIN No

5, 6

8, 9, 10, 11,

12, 13, 1, 2,

4

3

7

14

SYMBOL

ΣEVEN

ΣΟDD

A to I

NAME AND FUNCTION

Parity Outputs

Data Inputs

NC

GND

VCC

No Connection

Ground (0V)

Positive Supply Voltage

TRUTH TABLE

NUMBER OF INPUTS A - I THAT ARE HIGH

LOGIC DIAGRAM

0, 2, 4, 6, 8

1, 3, 5, 7, 9

OUTPUTS

ΣEVEN

H

L

ΣODD

L

H

2/9

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