SN74LS85D データシートの表示（PDF） - ON Semiconductor

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SN74LS85D

4−Bit Magnitude Comparator

ON Semiconductor 

SN74LS85

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Symbol

VIH

Parameter

Input HIGH Voltage

Limits

Min Typ Max

2.0

Unit

Test Conditions

V

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VIK

Input Clamp Diode Voltage

VOH

Output HIGH Voltage

VOL

Output LOW Voltage

Input HIGH Current

A < B, A > B

IIH

Other Inputs

A < B, A > B

Other Inputs

−0.65 −1.5

V

VCC = MIN, IIN = − 18 mA

2.7

3.5

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

0.25 0.4

0.35 0.5

V

IOL = 4.0 mA

V

IOL = 8.0 mA

VCC = VCC MIN,

VIN = VIL or VIH

per Truth Table

20

μA VCC = MAX, VIN = 2.7 V

60

0.1

0.3

mA VCC = MAX, VIN = 7.0 V

Input LOW Current

IIL

A < B, A > B

Other Inputs

−0.4 mA VCC = MAX, VIN = 0.4 V

− 1.2

IOS

Output Short Circuit Current (Note 2) −20

−100 mA

ICC

Power Supply Current

20

mA

2. Not more than one output should be shorted at a time, nor for more than 1 second.

VCC = MAX

VCC = MAX

AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)

Limits

Symbol

Parameter

Min Typ Max Unit

tPLH

Any A or B to A < B, A > B

tPHL

24

36

ns

20

30

tPLH

Any A or B to A = B

tPHL

27

45

ns

23

45

tPLH

A < B or A = B to A > B

tPHL

14

22

ns

11

17

tPLH

tPHL

A = B to A = B

13

20

ns

13

26

tPLH

A > B or A = B to A < B

tPHL

14

22

ns

11

17

Test Conditions

VCC = 5.0 V

CL = 15 pF

AC WAVEFORMS

VIN

VOUT

1.3 V

tPHL

1.3 V

1.3 V

tPLH

1.3 V

VIN

VOUT

1.3 V

tPHL

1.3 V

1.3 V

tPLH

1.3 V

Figure 3.

Figure 4.

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