PIN DESCRIPTION

PIN No

SYMBOL

NAME AND FUNCTION

5, 6

Σ EVEN,

Σ ODD

Parity Outputs

8, 9, 10,

11, 12, 13,

1, 2, 4

A to I

Data Inputs

3

NC

No Connection

7

GND

Ground (0V)

14

Positive Supply Voltage

IEC LOGIC SYMBOL

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:

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

M54/M74HC280

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