Electrical characteristics

M74HC280

6/14

DocID1938 Rev 2

3

Electrical characteristics

“Absolute maximum ratings” are those values beyond which damage to the device may

occur. Functional operation under these conditions is not implied.

Table 4. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

Supply voltage

-0.5 to +7

V

VI

DC input voltage

-0.5 to VCC + 0.5

VO

DC output voltage

IIK

DC input diode current

± 20

mA

IOK

DC output diode current

IO

DC output current

± 25

ICC or

IGND

DC VCC or ground current

± 50

PD

Power dissipation

500(1)

1. 500 mW at 65 °C; derate to 300 mW by 10 mW/°C from 65 °C to 85 °C

mW

Tstg

Storage temperature

-65 to +150

°C

TL

Lead temperature (10 sec)

300

Table 5. Recommended operating conditions

Symbol

Parameter

Value

Unit

VCC

Supply voltage

2 to 6

V

VI

Input voltage

0 to VCC

VO

Output voltage

Top

Operating temperature

-55 to 125

°C

tp, tf

Input rise and fall time

VCC = 2.0 V

0 to 1000

ns

VCC = 4.5 V

0 to 500

VCC = 6.0 V

0 to 400