Datasheet

DC and AC parameters M41T60
20/28 DocID10396 Rev 14
Table 6. Capacitance
Symbol Parameter
(1)(2)
Min Max Unit
C
IN
Input capacitance (SCL) - 7 pF
C
OUT
(3)
Output capacitance (SDA, OUT) - 10 pF
t
LP
Low-pass filter input time constant (SDA and SCL) - 50 ns
1. Effective capacitance measured with power supply at 3.6 V; sampled only, not 100% tested.
2. At 25 °C, f = 1 MHz.
3. Outputs deselected.
Table 7. DC characteristics
Symbol Parameter Test condition
(1)
Min Typ Max Unit
V
CC
(2)
Operating voltage
Clock
(3)
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)
V
CC
= 4.4 V 100 µA
V
CC
= 3.6 V 50 70 µA
V
CC
= 3.0 V 35 µA
V
CC
= 2.5 V 30 µA
V
CC
= 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
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 mA (SDA) 0.4 V
V
CC
= 4.4 V, I
OL
= 1 mA (OFIRQ/OUT) 0.4 V
Pull-up supply
voltage (open drain)
FT, OFIRQ/OUT 4.4 V
I
LI
Input leakage current 0 V ≤ V
IN
≤ V
CC
–1.0 +1.0 µA
I
LO
Output leakage
current
0 V ≤ V
OUT
≤ V
CC
–1.0 +1.0 µA
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
CC
= 1.3 to 4.4 V (except where noted).
2. When using battery backup, V
CC
fall time should not exceed 10 mV/µs.
3. Oscillator startup guaranteed at 1.5 V only.