Maximum ratings

M41T81

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DocID007529 Rev 11

4

Maximum ratings

Stressing the device above the rating listed in the absolute maximum ratings table may

cause permanent damage to the device. These are stress ratings only and operation of the

device at these or any other conditions above those indicated in the operating sections of

this specification is not implied. Exposure to absolute maximum rating conditions for

extended periods may affect device reliability.

Caution:

Negative undershoots below –0.3 volts are not allowed on any pin while in the battery

backup mode

Table 6. Absolute maximum ratings

Sym

Parameter

Value

Unit

TSTG

Storage temperature (VCC off, oscillator off)

–55 to 125

°C

VCC

Supply voltage

–0.3 to 7

V

TSLD(1)

1. Reflow at peak temperature of 260°C. The time above 255 °C must not exceed 30 seconds.

Lead solder temperature for 10 seconds

260

°C

VIO

Input or output voltages

–0.3 to VCC+0.3

V

IO

Output current

20

mA

PD

Power dissipation

1

W