SN74HC244Q1

OCTAL BUFFER AND LINE DRIVER

WITH 3STATE OUTPUTS

SCLS543A − SEPTEMBER 2002 − REVISED APRIL 2008

3

POST OFFICE BOX 655303

POST OFFICE BOX 1443

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

MIN

MAX

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

2 V

1.9

1.998

1.9

IOH = −20 µA

4.5 V

4.4

4.499

4.4

VOH

VI = VIH or VIL

IOH = −20 µA

6 V

5.9

5.999

5.9

V

VOH

VI = VIH or VIL

IOH = −6 mA

4.5 V

3.98

4.3

3.7

V

IOH = −7.8 mA

6 V

5.48

5.8

5.2

2 V

0.002

0.1

0.1

IOL = 20 µA

4.5 V

0.001

0.1

0.1

VOL

VI = VIH or VIL

IOL = 20 µA

6 V

0.001

0.1

0.1

V

VOL

VI = VIH or VIL

IOL = 6 mA

4.5 V

0.17

0.26

0.4

V

IOL = 7.8 mA

6 V

0.15

0.26

0.4

II

VI = VCC or 0

6 V

±0.1

±100

±1000

nA

IOZ

VO = VCC or 0,

VI = VIH or VIL

6 V

±0.01

±0.5

±10

µA

ICC

VI = VCC or 0,

IO = 0

6 V

8

160

µA

Ci

2 V to 6 V

3

10

10

pF

(unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

VCC

TA = 25°C

MIN

MAX

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

2 V

40

115

170

tpd

A

Y

4.5 V

13

23

34

ns

tpd

A

Y

6 V

11

20

29

ns

2 V

75

150

225

ten

OE

Y

4.5 V

15

30

45

ns

ten

OE

Y

6 V

13

26

38

ns

2 V

75

150

225

tdis

OE

Y

4.5 V

15

30

45

ns

tdis

OE

Y

6 V

13

26

38

ns

2 V

28

60

90

tt

Y

4.5 V

8

12

18

ns

tt

Y

6 V

6

10

15

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance per buffer/driver

No load

35

pF