www.ti.com

Electrical Characteristics

Switching Characteristics

SN74LVC244A

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SCAS414X – NOVEMBER 1992 – REVISED MARCH 2005

over recommended operating free-air temperature range (unless otherwise noted)

–40 TO 85°C

–40 TO 125°C

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

1.65 V to 3.6 V

0.2

0.2

0.3

1.65 V

1.29

1.2

1.05

2.3 V

1.9

1.7

1.55

V

2.7 V

2.2

2.2

2.05

3 V

2.4

2.4

2.25

3 V

2.3

2.2

2

1.65 V to 3.6 V

0.1

0.2

0.3

1.65 V

0.24

0.45

0.6

2.3 V

0.3

0.7

0.75

V

2.7 V

0.4

0.4

0.6

3 V

0.55

0.55

0.8

3.6 V

±1

±5

±20

µA

0

±1

±10

±20

µA

3.6 V

±1

±10

±20

µA

1

10

40

3.6 V

µA

3.6 V

≤ V

(1)

1

10

40

∆I

CC

2.7 V to 3.6 V

500

500

5000

µA

3.3 V

4

pF

3.3 V

5.5

pF

(1)

This applies in the disabled state only.

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)

–40 TO 85°C

–40 TO 125°C

FROM

TO

PARAMETER

UNIT

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

1.5 V

1

7

14.4

1

14.9

1

16.4

1.8 V ± 0.15 V

1

5.9

10.4

1

10.9

1

12.4

A

Y

2.5 V ± 0.2 V

1

4.2

7.4

1

7.9

1

10

ns

2.7 V

1

4.2

6.7

1

6.9

1

8.2

3.3 V ± 0.3 V

1.5

3.9

5.7

1.5

5.9

1.5

7.2

1.5 V

1

8.3

17.8

1

18.3

1

19.8

1.8 V ± 0.15 V

1

6.4

12.1

1

12.6

1

14.1

OE

Y

2.5 V ± 0.2 V

1

4.6

9.1

1

9.6

1

11.7

ns

2.7 V

1

5

8.4

1

8.6

1

10.3

3.3 V ± 0.3 V

1.5

4.5

7.4

1.5

7.6

1.5

9.4

1.5 V

1

7.2

15.6

1

16.1

1

17.6

1.8 V ± 0.15 V

1

5.8

11.6

1

12.1

1

13.6

OE

Y

2.5 V ± 0.2 V

1

3.7

7.3

1

7.8

1

9.9

ns

2.7 V

1

3.8

6.6

1

6.8

1

8.6

3.3 V ± 0.3 V

1.5

3.8

6.3

1.5

6.5

1.5

8

3.3 V ± 0.3 V

1

1.5

ns

5