Philips Semiconductors

Product specification

74LVT2244

3.3V Octal buffer/line driver with 30

Ω

series termination resistors (3-State)

1998 Feb 19

5

AC CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

WAVEFORM

UNIT

MIN

MAX

MAX

Propagation delay

nAx to nYx

1

1

1

2.9

2.9

4.4

4.1

5.3

4.4

ns

Output enable time

to High and Low level

2

1

1.1

3.7

3.7

5.9

5.5

7.7

6.2

ns

Output disable time

from High and Low level

2

1.9

1.8

4.3

3.3

6.1

4.5

6.8

4.5

ns

NOTE:

AC WAVEFORMS

nAx INPUT

nYx

OUTPUT

SA00016

whichever

is less

0V

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

OE INPUT

tPZH

tPHZ

Yn OUTPUT

Yn OUTPUT

tPZL

tPLZ

3.0V

0V

2.7V

1.5V

1.5V

1.5V

1.5V

0V

SV00103

Waveform 2. 3-State Output Enable and Disable Times