HD74HC155

Rev.2.00, Oct 11, 2005 page 3 of 6

Pin Arrangement

1

2

3

4

5

6

7

8

GND

16

15

14

13

12

11

10

9

(Top view)

Select

Input A

Strobe

2G

Data

2C

Outputs

Data

1C

Strobe

1G

Select

Input B

Outputs

B

B

A

A

B

B

A

A

Absolute Maximum Ratings

Item

Symbol

Rating

Unit

Supply voltage range

–0.5 to +7.0

V

Input voltage

V

Output voltage

V

Output current

±25

mA

±50

mA

DC input diode current

±20

mA

DC output diode current

±20

mA

Power dissipation per package

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

Note:

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

Waveform: Refer to test circuit of switching characteristics.