m41t93 STMicroelectronics, m41t93 Datasheet - Page 38
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m41t93
Manufacturer Part Number
m41t93
Description
Serial Spi Bus Rtc With Battery Switchover
Manufacturer
STMicroelectronics
Datasheet
1.M41T93.pdf
(51 pages)
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Table 18.
1. Valid for Ambient Operating Temperature: T
38/51
Sym
V
I
I
V
V
I
V
V
I
V
CC1
CC2
BAT
I
LO
BAT
CC
OH
LI
OL
IH
IL
Operating voltage (S)
Operating voltage (R)
Operating voltage (Z)
Input leakage current
Output leakage current
Supply current
SCL = 0.1V
SDO = Open
Supply current (standby)
Input low voltage
Input high voltage
Output low voltage
Output high voltage
Pull-up supply voltage
(open drain)
Back-up supply voltage
Battery supply current
DC characteristics
Parameter
CC
/0.9V
CC
All inputs
SQW, IRQ/FT/OUT
V
25°C; V
CC
RST, FT/RST
A
= –40 to 85°C; V
V
= 3.0V, I
E = V
SS
SDO
CC
V
+ 0.2V
0V
Test condition
0V
CC
CC
= 0V; OSC On; V
f
IRQ/FT/OUT
f
f
SCL
–40 to 85°C
–40 to 85°C
–40 to 85°C
OH
SCL
SCL
;
32kHz Off
– 0.2V;
V
= –1.0mA (push-pull)
V
= 10MHz
OUT
= 2MHz
= 5MHz
IN
CC
= 2.38V to 5.5V (except where noted).
V
V
V
CC
CC
(1)
CC
I
I
I
V
V
OL
OL
OL
/V
CC
CC
BAT
5.5V
3.0V
BAT
= 1.0mA
= 1.0mA
= 3.0mA
= 3.0V,
= 3.0V,
= 3V;
= 3.0V,
0.7V
3.00
2.70
2.38
–0.3
Min
2.4
1.8
CC
Typ
365
6.5
8
V
0.3V
CC
Max
5.50
5.50
5.50
450
0.5
1.0
2.0
0.4
0.4
0.4
5.5
5.5
±1
±1
10
+0.3
CC
Unit
mA
mA
mA
µA
µA
nA
V
V
V
V
V
V
V
V
V
V
V
A
A