Datasheet

DocID10397 Rev 20 33/44
M41T62, M41T63, M41T64, M41T65 DC and AC parameters
Table 13. Capacitance
Symbol Parameter
(1)(2)
1. Effective capacitance measured with power supply at 3.6 V; sampled only, not 100% tested.
2. At 25°C, f = 1 MHz.
Min Max Unit
C
IN
Input capacitance - 7 pF
C
OUT
(3)
3. Outputs deselected.
Output capacitance - 10 pF
t
LP
Low-pass filter input time constant (SDA and SCL) - 50 ns
Table 14. DC characteristics
Sym Parameter Test condition
(1)
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
CC
= 1.3 V to 4.4 V (except where
noted).
Min Typ Max Unit
V
CC
(2)
2. Oscillator startup guaranteed at 1.5 V only.
Operating voltage
Clock 1.0 4.4 V
I
2
C bus (400 kHz) 1.3 4.4 V
I
CC1
Supply current
SCL = 400 kHz
(no load)
4.4 V 100 µA
3.6 V 50 70 µA
3.0 V 35 µA
2.5 V 30 µA
2.0 V 20 µA
I
CC2
Supply current
(standby)
SCL = 0 Hz
all inputs
≥ V
CC
– 0.2 V
≤ V
SS
+ 0.2 V
SQW off
4.4 V 950 nA
3.6 V 375 700 nA
3.0 V at 25 °C 350 nA
2.0 V at 25 °C 310 nA
V
IL
Input low voltage –0.2 0.3 V
CC
V
V
IH
Input high voltage 0.7 V
CC
V
CC
+0.3 V
V
OL
Output low voltage
V
CC
= 4.4 V, I
OL
= 3.0 mA
(SDA)
0.4 V
V
CC
= 4.4 V, I
OL
= 1.0 mA
(SQW, WDO
, IRQ)
0.4 V
V
OH
Output high voltage V
CC
= 4.4 V, I
OH
= –1.0 mA (push-pull) 2.4 V
Pull-up supply
voltage (open drain)
IRQ
/OUT, IRQ/FT/OUT, WDO, SQW
(M41T64 only)
4.4 V
I
LI
Input leakage current 0 V ≤ V
IN
≤ V
CC
±1 μA
I
LO
Output leakage
current
0 V ≤ V
OUT
≤ V
CC
±1 μA