M41ST85WMX6E STMICROELECTRONICS [STMicroelectronics], M41ST85WMX6E Datasheet - Page 25

• Manufacturer Part Number: M41ST85WMX6E
• Description: 3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 11. DC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
I
V
OUT1
I
I
I
V
Sym
BAT
V
OHB
I
I
I
OUT2
V
LO
V
V
V
V
LI
CC1
CC2
V
PFD
BAT
OH
PFI
OL
SO
(3)
IH
IL
(4)
(2)
2. Measured with V
3. RSTIN1 and RSTIN2 internally pulled-up to V
4. Outputs Deselected.
5. External SRAM must match RTC SUPERVISOR chip V
6. For PFO and SQW pins (CMOS).
7. Conditioned output (E
8. For IRQ/FT/OUT, RST pins (Open Drain): if pulled-up to supply other than V
9. For rechargeable back-up, V
(7)
(5)
duce battery life.
V
CC
Battery Current OSC ON
Battery Current OSC OFF
Supply Current
Supply Current (Standby)
Input Leakage Current
Input Leakage Current (PFI)
Output Leakage Current
V
V
Input High Voltage
Input Low Voltage
Battery Voltage
Output High Voltage
Pull-up Supply Voltage (Open Drain)
V
Output Low Voltage
Output Low Voltage (Open Drain)
Power Fail Deselect
PFI Input Threshold
PFI Hysteresis
Battery Back-up Switchover
OUT
OUT
OH
= 0V (during battery back-up mode).
(Battery Back-up)
Current (Active)
Current (Battery Back-up)
OUT
Parameter
and E
CON
) can only sustain CMOS leakage current in the battery back-up mode. Higher leakage currents will re-
(6)
CON
BAT
open.
(max) may be considered V
(8)
A
CC
= –40 to 85°C; V
through 100K resistor. WDI internally pulled-down to V
T
A
= 25°C, V
SCL, SDA = V
V
V
CC
RST, IRQ/FT/OUT
Test Condition
OUT2
OUT1
0V
0V
I
or V
OUT2
I
specification.
V
OH
I
I
f = 400kHz
OL
OL
PFI Rising
CC
CC
> V
CC
> V
CC
= –1.0mA
.
SS
V
V
= 3.0mA
= 10mA
= 3V(W)
= –1.0µA
IN
IN
= 2.7 to 3.6V (except where noted).
BAT
CC
= 0V, V
+ 0.3V
CC
V
V
– 0.3V
– 0.3V
CC
CC
– 0.3V
(1)
CC
BAT
, this supply must be equal to, or less than 3.0V when
= 3V
0.7V
1.225
2.55
–0.3
Min
–25
2.5
2.4
2.5
CC
M41ST85W
1.250
2.60
Typ
400
3.0
2.9
2.5
20
50
2
SS
through 100K resistor.
V
0.3V
CC
1.275
3.5
M41ST85W
Max
0.75
0.50
2.70
500
100
100
3.6
3.5
0.4
0.4
±1
25
±1
70
+ 0.3
(9)
CC
Unit
25/34
mA
mA
mA
mV
nA
nA
µA
nA
µA
µA
V
V
V
V
V
V
V
V
V
V
V