Philips Semiconductors

Product specification

74LVT240

3.3V Octal inverting buffer (3-State)

1998 Feb 19

5

AC CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

WAVEFORM

UNIT

MIN

MAX

MAX

Propagation delay

nAx to nYx

1

1

1

2.5

2.5

4.3

4.3

5.2

5.0

ns

Output enable time

to High and Low level

2

1

1

3.7

3.1

5.2

5.2

6.3

6.7

ns

Output disable time

from High and Low level

2

2

1.6

3.4

3.2

5.6

5.1

6.3

5.6

ns

NOTE:

AC WAVEFORMS

nAx INPUT

VM

VM

nYx OUTPUT

VM

VM

tPHL

tPLH

SA00037

Waveform 1. Input (nAx) to Output (nYx) Propagation Delays

nOE INPUT

tPZH

tPHZ

nYx OUTPUT

nYx OUTPUT

tPZL

tPLZ

3.0V

0V

0V

SV00104

Waveform 2. 3-State Output Enable and Disable Times