FUNCTIONAL TABLE

CODE No.

BCD INPUTS

DECIMAL OUTPUTS

DCBA

0

LLLLL

H

H

H

HHHH

HH

1

L

L

L

H

H

L

H

H

HHHH

HH

2

L

L

H

L

H

H

L

H

HHHH

HH

3

L

L

H

H

HHH

L

HHHH

HH

4

L

H

L

L

HHHH

L

HHH

HH

5

L

H

L

H

HHHH

H

L

HH

HH

6

L

HH

L

HHHH

HH

L

H

HH

7

L

HHH

HHHH

HHH

L

H

H

8

H

L

L

L

HHHH

HHHH

L

H

9

H

L

L

H

HHHH

HHHH

H

L

10

H

L

H

L

HHHH

HHHH

HH

11

H

L

HH

HHHH

HHHH

HH

12

HH

L

L

HHHH

HHHH

HH

13

HH

L

H

HHHH

HHHH

HH

14

HHH

L

HHHH

HHHH

HH

15

HHHH

HHHH

HHHH

HH

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

Supply Voltage

2 to 6

V

Input Voltage

V

Output Voltage

V

Operating Temperature: M54HC Series

M74HC Series

-55 to +125

-40 to +85

Input Rise and Fall Time

0 to 1000

ns

0 to 500

0 to 400

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage

-0.5 to +7

V

DC Input Voltage

V

DC Output Voltage

V

DC Input Diode Current

± 20

mA

DC Output Diode Current

± 20

mA

DC Output Source Sink Current Per Output Pin

± 25

mA

± 50

mA

Power Dissipation

500 (*)

mW

Storage Temperature

-65 to +150

Lead Temperature (10 sec)

300

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.

(*) 500 mW:

M54/M74HC42

3/10