HD74HCT244P 参数 Datasheet PDF下载

HD74HCT244

Pin Arrangement

1G

1A

1

2Y

4

1A

2

2Y

3

1A

3

2Y

2

1A

4

2Y

1

1

2

3

4

5

6

7

8

9

20 V

CC

19 2G

18 1Y

1

17 2A

4

16 1Y

2

15 2A

3

14 1Y

3

13 2A

2

12 1Y

4

11 2A

1

(Top view)

GND 10

Logic Diagram

To three other inverters

V

CC

One of 8

inverters

Input A

Y

Strobe

G

Absolute Maximum Ratings

Item

Supply voltage range

Input / Output voltage

Input / Output diode current

Output current

V

CC

, GND current

Power dissipation

Storage temperature

Symbol

V

CC

V

IN

, V

OUT

I

IK

, I

OK

I

O

I

CC

or I

GND

P

T

Tstg

Ratings

–0.5 to 7.0

–0.5 to V

CC

+0.5

±20

±35

±75

500

–65 to +150

Unit

V

V

mA

mA

mA

mW

°

C

Note: 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.

Rev.2.00 Mar 30, 2006 page 2 of 6