Datasheet

Maximum ratings M41T81
20/29 Doc ID 7529 Rev 10
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
T
STG
Storage temperature (V
CC
off, oscillator off) –55 to 125 °C
V
CC
Supply voltage –0.3 to 7 V
T
SLD
(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
V
IO
Input or output voltages –0.3 to V
CC
+0.3 V
I
O
Output current 20 mA
P
D
Power dissipation 1 W