HD74BC244A

Rev.3.00, Jul.16.2004, page 2 of 8

Pin Arrangement

(Top view)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

GND

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

2G

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

2A1

1G

Absolute Maximum Ratings

Item

Symbol

Rating

Unit

Supply voltage

V

CC

–0.5 to +7.0

V

Input diode current

I

IK

±30

mA

Input voltage

V

IN

–0.5 to +7.5

V

Output voltage

V

OUT

–0.5 to +7.5

V

Off state output voltage

V

OUT(off)

–0.5 to +5.5

V

Storage temperature

Tstg

–65 to +150

°C

Note:

1. The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two

of which may be realized at the same time.

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

V

CC

4.5

5.0

5.5

V

Input voltage

V

IN

0—

V

CC

V

Output voltage

V

OUT

0—

V

CC

V

Operating temperature

Topr

–40

—

85

°C

Input rise/fall time*

1

t

0—

8ns/V

Note:

1. This item guarantees maximum limit when one input switches.

Waveform: Refer to test circuit of switching characteristics.