M41T56_07 STMICROELECTRONICS [STMicroelectronics], M41T56_07 Datasheet - Page 19

• Manufacturer Part Number: M41T56_07
• Description: Serial real-time clock with 56 bytes NVRAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 9.
1. Valid for ambient operating temperature: T
Table 10.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
Symbol
Symbol
V
t
V
t
t
t
REC
PFD
PD
RB
FB
SO
SCL and SDA at V
V
V
SCL and SDA at V
Power-fail deselect voltage
Battery back-up switchover voltage
PFD
SS
Power down/up mode AC characteristics
Power down/up trip points DC characteristics
to V
(min) to V
PFD
Parameter
(min) V
SS
SS
.
V
IH
IH
CC
CC
before power down
after power up
Parameter
fall time
rise time
(1)(2)
A
A
= –40 to 85°C; V
= –40 to 85°C; V
(1)
1.2 V
Min
CC
CC
BAT
= 4.5 to 5.5V (except where noted).
= 4.5 to 5.5V (except where noted).
1.25 V
V
Typ
BAT
Min
300
100
10
0
BAT
1.285 V
Max
Max
BAT
Unit
Unit
ns
µs
µs
µs
19/25
V
V