M41T62_06 STMICROELECTRONICS [STMicroelectronics], M41T62_06 Datasheet - Page 32

• Manufacturer Part Number: M41T62_06
• Description: Serial Access Real-Time Clock with Alarms
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

DC and AC parameters
32/40
Table 13.
1. Effective capacitance measured with power supply at 3.6V; sampled only, not 100% tested.
2. At 25°C, f = 1MHz.
3. Outputs deselected.
Table 14.
1. Valid for Ambient Operating Temperature: T
2. Oscillator start-up guaranteed at 1.5V only.
3. When using battery back-up, V
V
Sym
I
I
V
V
I
CC1
CC2
V
V
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)
CC
V
IRQ/OUT, IRQ/FT/OUT, WDO, SQW
SCL = 0Hz
V
CC
V
all inputs
fall time should not exceed 10mV/µs.
SS
CC
SCL = 400kHz
= 4.4V, I
+ 0.2V
– 0.2V
V
V
(no load)
(CMOS or open drain)
CC
CC
Parameter
(SQW, WDO, IRQ)
Test condition
I
0V V
2
A
= 4.4V, I
= 4.4V, I
(M41T64 only)
0V V
C bus (400kHz)
= –40 to 85°C; V
OH
SQW off
Clock
= –1.0mA (push-pull)
OUT
IN
(1)(2)
OL
OL
(3)
V
= 3.0mA
= 1.0mA
V
CC
CC
3.0V @ 25°C
2.0V @ 25°C
(1)
CC
4.4V
3.6V
3.0V
2.5V
2.0V
4.4V
3.6V
= 1.3V to 4.4V (except where noted).
0.7V
–0.2
Min
1.0
1.3
2.4
CC
Min
Typ
375
350
310
50
35
30
20
M41T62/63/64/65
V
0.3V
Max
CC
10
50
Max
100
950
700
7
4.4
4.4
0.4
0.4
4.4
±1
±1
70
+0.3
CC
Unit
Unit
pF
pF
ns
µA
µA
µA
µA
µA
nA
nA
nA
nA
V
V
V
V
V
V
V
V
A
A