MC54F280D 查看數據表（PDF） - Motorola => Freescale

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MC54F280D

9-BIT PARITY GENERATOR/CHECKER

Motorola => Freescale 

9-BIT PARITY GENERATOR/

CHECKER

The MC54/74F280 is a high-speed parity generator/checker that accepts

nine bits of input data and detects whether an even or an odd number of these

inputs is HIGH. If an even number of inputs is HIGH, the Sum Even output is

HIGH. If an odd number is HIGH, the Sum Even output is LOW. The Sum Odd

output is the complement of the Sum Even output.

CONNECTION DIAGRAM

VCC I5 I4 I3 I2 I1 I0

14 13 12 11 10 9 8

MC54/74F280

9-BIT PARITY

GENERATOR/CHECKER

FAST™ SCHOTTKY TTL

14

1

J SUFFIX

CERAMIC

CASE 632-08

1234567

I6 I7 NC I8 ∑E ∑O GND

LOGIC DIAGRAM

I8 I7 I6

I5 I4 I3

I2 I1 I0

ΣO

ΣE

NOTE:

This diagram is provided only for the understanding of logic operations and should not

be used to estimate propagation delays.

FAST AND LS TTL DATA

4-143

14

1

N SUFFIX

PLASTIC

CASE 646-06

14

1

D SUFFIX

SOIC

CASE 751A-02

ORDERING INFORMATION

MC54FXXXJ

MC74FXXXN

MC74FXXXD

Ceramic

Plastic

SOIC

LOGIC SYMBOL

8 9 10 11 12 13 1 2 4

I0 I1 I2 I3 I4 I5 I6 I7 I8

ΣO ΣE

65

VCC = PIN 14

GND = PIN 7

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