SN74LS259

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

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

36

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

Turn-Off Delay, Enable to Output

Turn-On Delay, Enable to Output

22

15

35

24

ns

ns

Turn-Off Delay, Data to Output

Turn-On Delay, Data to Output

20

13

32

21

ns

ns

Turn-Off Delay, Address to Output

Turn-On Delay, Address to Output

24

18

38

29

ns

ns

L

Turn-On Delay, Clear to Output

17

27

ns

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Input Setup Time

20

ns

Pulse Width, Clear or Enable

15

ns

Hold Time, Data

5.0

ns

Hold Time, Address

20

ns