M54HC85 データシートの表示（PDF） - STMicroelectronics

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M54HC85

4-BIT MAGNITUDE COMPARATOR

STMicroelectronics 

M54/M74HC85

TRUTH TABLE

A3>B3

A3=B3

A3=B3

A3=B3

COMPARING INPUTS

X

A2>B2

A2=B2

A2=B2

X

X

A1>B1

A1=B1

A3=B3

A2=B2

A1=B1

A3=B3

A3=B3

A3=B3

A3<B3

X: DON’T CARE

A2=B2

A2=B2

A2<B2

X

A1=B1

A1<B1

X

X

X

X

X

A0>B0

A0=B0

A0<B0

X

X

X

CASCADING INPUTS

A>B A<B A=B

X

X

X

X

X

X

X

X

X

X

X

X

L

L

L

X

X

H

L

H

L

H

L

L

H

H

L

X

X

X

X

X

X

X

X

X

X

X

X

OUTPUTS

A>B A<B A=B

H

L

L

H

L

L

H

L

L

H

L

L

H

H

L

L

L

H

L

H

L

H

L

L

L

L

L

L

H

L

L

H

L

L

H

L

L

H

L

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC

Supply Voltage

-0.5 to +7

V

VI

DC Input Voltage

-0.5 to VCC + 0.5

V

VO

DC Output Voltage

IIK

DC Input Diode Current

-0.5 to VCC + 0.5

V

± 20

mA

IOK

DC Output Diode Current

IO

DC Output Source Sink Current Per Output Pin

± 20

mA

± 25

mA

ICC or IGND DC VCC or Ground Current

± 50

mA

PD

Power Dissipation

Tstg

Storage Temperature

TL

Lead Temperature (10 sec)

500 (*)

mW

-65 to +150

oC

300

oC

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied.

(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC

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