Datasheet

M41T00 Device operation
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Table 4. RTC power down/up trip points dc characteristics
Symbol
Parameter
(1)(2)
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
CC
= 2.0 to 5.5 V (except where otherwise
noted).
2. All voltages referenced to V
SS
.
Min Typ
Max
(3)
3. In 3.3 V application, if initial battery voltage is > 3.4 V, it may be necessary to reduce battery voltage (i.e.,
through wave soldering the battery) in order to avoid inadvertent switchover/deselection for V
CC
-10 %
operation.
Unit
V
SO
(4)
4. Switchover and deselect point.
Backup switchover voltage
V
BAT
-0.80 V
BAT
-0.50 V
BAT
-0.30
V