SN54LVTH540, SN74LVTH540

3.3-V ABT OCTAL BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCBS681E – MARCH 1997 – REVISED APRIL 1999

5

POST OFFICE BOX 655303

switching characteristics over recommended ranges of supply voltage and operating free-air

SN54LVTH540

SN74LVTH540

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 3.3 V

± 0.3 V

VCC = 2.7 V

VCC = 3.3 V

± 0.3 V

VCC = 2.7 V

UNIT

MIN

MAX

MIN

MAX

MIN

TYP†

MAX

MIN

MAX

tPLH

A

Y

1

3.9

4.7

1.1

2.4

3.8

4.6

ns

tPHL

A

Y

1

3.9

4.7

1.1

2.7

3.8

4.6

ns

tPZH

OE1 or OE2

Y

1.4

5.3

6.3

1.5

3.4

5.2

6.2

ns

tPZL

OE1 or OE2

Y

1.4

5.5

6.1

1.5

3.7

5.3

5.9

ns

tPHZ

OE1 or OE2

Y

1.4

5.9

6.2

1.5

3.9

5.6

5.9

ns

tPLZ

OE1 or OE2

Y

1.4

5.5

5.8

1.5

3.5

5

5.3

ns

† All typical values are at VCC = 3.3 V, TA = 25°C.

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.