m41t83 STMicroelectronics, m41t83 Datasheet - Page 48

• Manufacturer Part Number: m41t83
• Description: Serial I 2c Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

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Figure 25. Power down/up mode AC waveforms
Table 23.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
V
Sym
V
t
RST
rec
V CC
V SO
SDA
SCL
SO
Reset threshold voltage
Battery back-up switchover
Hysteresis
Reset Pulse width (V
V
(V
CC
RST
Power down/up trip points DC characteristics
tPD
to Reset Delay, V
– 100mV; for V
Parameter
SS.
CC
CC
CC
Rising)
slew rate of 10mV/µs
= (V
(1) (2) (1,2)
RST
A
= –40 to 85°C; V
+ 100mV), falling to
DON'T CARE
S
R
Z
CC
= 2.38 to 5.5V (except where noted).
2.85
2.55
2.25
Min
140
V
2.93
2.63
2.32
Typ
2.5
25
RST
trec
Max
2.38
280
3.0
2.7
AI00596
Unit
mV
ms
µs
V
V
V
V