SN74LS151

http://onsemi.com

4

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

Input LOW Voltage

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

Input Clamp Diode Voltage

– 0.65

– 1.5

V

Output HIGH Voltage

2.7

3.5

V

Output LOW Voltage

0.25

0.4

V

V

V

or V

Output LOW Voltage

0.35

0.5

V

per Truth Table

I

Input HIGH Current

20

µA

Input HIGH Current

0.1

mA

Input LOW Current

– 0.4

mA

Short Circuit Current (Note 1)

–20

– 100

mA

Power Supply Current

10

mA

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

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Propagation Delay

Select to Output Z

27

18

43

30

ns

Propagation Delay

Select to Output Z

14

20

23

32

ns

Propagation Delay

Enable to Output Z

26

20

42

32

ns

Propagation Delay

Enable to Output Z

15

18

24

30

ns

CC

Propagation Delay

Data to Output Z

20

16

32

26

ns

Propagation Delay

Data to Output Z

13

12

21

20

ns

AC WAVEFORMS

Figure 1.

Figure 2.

1.3 V

1.3 V

1.3 V

1.3 V

1.3 V

1.3 V

1.3 V

1.3 V