54ACT16540, 74ACT16540

16-BIT BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCAS186A − OCTOBER 1991 − REVISED APRIL 1996

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

54ACT16540

74ACT16540

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

UNIT

Supply voltage

4.5

5

5.5

4.5

5

5.5

V

High-level input voltage

2

2

V

Low-level input voltage

0.8

0.8

V

Input voltage

0

0

V

Output voltage

0

0

V

High-level output current

−24

−24

mA

Low-level output current

24

24

mA

Δt/Δv

Input transition rise or fall rate

0

10

0

10

ns/ V

Operating free-air temperature

−55

125

−40

85

°C

NOTE 3: Unused inputs must be held high or low to prevent them from floating.

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

V

54ACT16540

74ACT16540

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

I

50 A

4.5 V

4.4

4.4

4.4

5.5 V

5.4

5.4

5.4

I

24 mA

4.5 V

3.94

3.8

3.8

V

5.5 V

4.94

4.8

4.8

V

5.5 V

3.85

3.85

I

50 A

4.5 V

0.1

0.1

0.1

5.5 V

0.1

0.1

0.1

I

24 mA

4.5 V

0.36

0.44

0.44

V

5.5 V

0.36

0.44

0.44

V

5.5 V

1.65

1.65

5.5 V

±0.1

±1

±1

μA

5.5 V

±0.5

±5

±5

μA

5.5 V

8

80

80

μA

One input at 3.4 V,

5.5 V

0.9

1

1

mA

5 V

4

pF

5 V

13

pF

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.