M41T93_11 STMICROELECTRONICS [STMicroelectronics], M41T93_11 Datasheet - Page 41

• Manufacturer Part Number: M41T93_11
• Description: Serial SPI bus real-time clock with battery switchover
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M41T93
Figure 19. Power down/up mode AC waveforms
Table 21.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
V
Sym
V
t
RST
rec
V CC
V SO
SCL
SDI
SO
Reset threshold voltage
Battery backup switchover
Hysteresis
Reset pulse width (V
V
(V
CC
RST
Power down/up trip points DC characteristics
to reset delay, V
tPD
– 100 mV; for V
SS
Parameter
CC
CC
CC
Doc ID 12615 Rev 6
rising)
= (V
slew rate of 10 mV/µs
RST
(1)(2)
A
+ 100 mV), falling to
= –40 to 85 °C; V
DON'T CARE
CC
R
S
Z
= 2.38 to 5.5 V (except where noted)
V
2.85
2.55
2.25
Min
140
25
RST
DC and AC parameters
2.93
2.63
2.32
Typ
2.5
trec
Max
2.38
280
3.0
2.7
AI11839
Unit
mV
ms
µs
41/51
V
V
V
V