Datasheet

DC and AC parameters M41T82, M41T83
52/64 DocID012578 Rev 16
Table 21. DC characteristics
Sym Parameter Test condition
(1)
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
CC
= 2.38 V to 5.5 V (except where noted)
Min Typ Max Unit
V
CC
Operating voltage (S) –40 to 85 °C 3.00 5.50 V
Operating voltage (R) –40 to 85 °C 2.70 5.50 V
Operating voltage (Z) –40 to 85 °C 2.38 5.50 V
I
LI
Input leakage current 0V  V
IN
 V
CC
±1 μA
I
LO
Output leakage current 0V  V
OUT
 V
CC
±1 μA
I
CC1
Supply current
SCL = 400 kHz
(No load)
5.5 V 125 150 μA
3.0 V 55 μA
2.5 (Z only) 45 μA
I
CC2
Supply current (standby)
SCL = 0 Hz;
All inputs  V
CC
– 0.2 V or
 V
SS
+ 0.2 V
(SQWE bit = 0)
5.5 V 8 10 μA
3.0 V 6.5 μA
V
IL
Input low voltage –0.3 0.3V
CC
V
V
IH
Input high voltage 0.7V
CC
V
CC
+0.3 V
V
OL
Output low voltage
RST, FT/RST
V
CC
/V
BAT
= 3.0 V,
I
OL
= 1.0 mA
0.4 V
SQW,
IRQ1/FT/OUT, IRQ2
V
CC
= 3.0 V,
I
OL
= 1.0 mA
0.4 V
SCL, SDA
V
CC
= 3.0 V,
I
OL
= 3.0 mA
0.4 V
V
OH
Output high voltage V
CC
= 3.0 V, I
OH
= –1.0 mA (push-pull) 2.4 V
Pull-up supply voltage
(open drain)
IRQ1/FT/OUT, IRQ2, FT/RST, RST 5.5 V
V
BAT
Backup supply voltage
(battery or capacitor)
2.0 5.5 V
V
BL
Battery low (BL bit)
threshold
2.5 V
I
BAT
Battery supply current
25 °C; V
CC
= 0 V; OSC on;
V
BAT
= 3 V; SQW off
365 450 nA