M41T65 STMICROELECTRONICS [STMicroelectronics], M41T65 Datasheet - Page 33

• Manufacturer Part Number: M41T65
• Description: Serial real-time clocks with alarm
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M41T62/63/64/65
Table 13.
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 14.
1. Valid for ambient operating temperature: T
2. Oscillator startup guaranteed at 1.5 V only.
Sym
V
I
I
V
V
CC1
CC2
V
V
I
CC
I
LO
OH
OL
LI
IH
IL
(2)
Symbol
C
OUT
Operating voltage
Supply current
Supply current
(standby)
Input low voltage
Input high voltage
Output low voltage
Output high voltage
Pull-up supply
voltage (open drain)
Input leakage current
Output leakage
current
C
t
LP
IN
(3)
Parameter
Capacitance
DC characteristics
Input capacitance
Output capacitance
Low-pass filter input time constant (SDA and SCL)
≥ V
≤ V
V
SCL = 0 Hz
IRQ/OUT, IRQ/FT/OUT, WDO, SQW
CC
Doc ID 10397 Rev 14
all inputs
CC
SS
SCL = 400 kHz
= 4.4 V, I
+ 0.2 V
– 0.2 V
V
V
(no load)
CC
CC
(CMOS or open drain)
Parameter
0 V ≤ V
(SQW, WDO, IRQ)
I
Test condition
A
0 V ≤ V
2
= 4.4 V, I
= 4.4 V, I
C bus (400 kHz)
(M41T64 only)
= –40 to 85 °C; V
OH
SQW off
Clock
= –1.0 mA (push-pull)
OUT
IN
OL
OL
(1)(2)
≤ V
≤ V
= 3.0 mA
= 1.0 mA
3.0 V at 25 °C
2.0 V at 25 °C
CC
(1)
CC
CC
4.4 V
3.6 V
3.0 V
2.5 V
2.0 V
4.4 V
3.6 V
= 1.3 V to 4.4 V (except where noted).
0.7 V
–0.2
Min
1.0
1.3
2.4
DC and AC parameters
CC
Min
-
-
-
Typ
375
350
310
50
35
30
20
V
0.3 V
Max
CC
10
50
Max
100
950
700
7
4.4
4.4
0.4
0.4
4.4
70
±1
±1
+0.3
CC
Unit
33/41
pF
pF
ns
Unit
μA
μA
µA
µA
µA
µA
µA
nA
nA
nA
nA
V
V
V
V
V
V
V
V