HD74HC253

Rev.2.00 Jan 31, 2006 page 2 of 6

Pin Arrangement

1

2

3

4

5

6

7

8

1G

Select

B

Output 1Y

GND

VCC

2G

A

Select

2Y Output

16

15

14

13

12

11

10

9

Output

control

Output

control

(Top view)

1Y

2Y

B

B

A

A

B

B

A

A

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage range

–0.5 to 7.0

V

Input / Output voltage

V

Input / Output diode current

±20

mA

Output current

±25

mA

±50

mA

Power dissipation

500

mW

Storage temperature

Tstg

–65 to +150

°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.

Recommended Operating Conditions

Item

Symbol

Ratings

Unit

Conditions

Supply voltage

2 to 6

V

Input / Output voltage

V

Operating temperature

Ta

–40 to 85

°C

0 to 1000

0 to 500

Input rise / fall time

*1

0 to 400

ns

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

Waveform: Refer to test circuit of switching characteristics.