M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 44

IC SUPERVISOR RTC 160X8 28-SOIC

M41ST87WMX6TR

Manufacturer Part Number
M41ST87WMX6TR
Description
IC SUPERVISOR RTC 160X8 28-SOIC
Manufacturer
STMicroelectronics
Type
Clock/Calendar/Supervisorr
Datasheets

Specifications of M41ST87WMX6TR

Memory Size
160B
Time Format
HH:MM:SS:hh (24 hr)
Date Format
YY-MM-DD-dd
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SOIC, 28-SOH (8.48mm Width)
Bus Type
Serial (2-Wire, I2C)
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
2.7V
Operating Temperature Classification
Industrial
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Pin Count
28
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6457-2
M41ST87WMX6TR

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DC and AC parameters
Table 17.
44/54
I
V
OUT1
V
I
V
I
V
I
V
Sym
BAT
V
OHB
I
I
I
LO
OUT2
V
OH
V
CC1
CC2
LI
V
PFI1,
PFD
PFI2
BAT
OL
IH
(3)
IL
(4)
(2)
(6)
(7)
(5)
Battery current
OSC ON
Battery current
OSC OFF
Supply current
Supply current
(standby)
Input leakage
current
Input leakage
current (PFI)
Output leakage
current
V
(active)
V
(battery backup)
Input high
voltage
Input low voltage
Battery voltage
Output high
voltage
Pull-up supply
voltage
(open drain)
V
backup)
Output low
voltage
Output low
voltage
(open drain)
Power fail
deselect
PFI input
threshold
PFI hysteresis
OUT
OUT
OH
Parameter
DC characteristics
(battery
current
current
(9)
SCL, SDA ≥ V
T
V
V
IRQ/OUT, RST, F
A
OUT2
I
Test condition
OUT1
OUT2
= 25 °C, V
0V ≤ V
0V ≤ V
I
V
V
OH
I
I
f = 400 kHz
OL
THS bit = 0
THS bit = 1
CC
V
OL
CC
PFI rising
BAT
> V
> V
= –1.0 mA
= –1.0 µA
= 3.0 mA
= 10 mA
= 3 V (W)
= 5 V (Y)
IN
IN
BAT
= 3 V
CC
≤ V
≤ V
CC
CC
– 0.3 V
– 0.3 V
– 0.3 V
CC
CC
= 0 V,
(1)
(8)
32k
Doc ID 9497 Rev 9
0.7V
1.225
–0.3
4.20
4.50
Min
–25
2.5
2.4
CC
M41ST87Y
1.250
4.35
4.60
Typ
500
3.0
2.9
50
20
2
V
0.3V
CC
1.275
Max
4.50
4.75
V
700
175
100
1.4
5.5
0.4
0.4
±1
25
±1
70
1
CC
+ 0.3 0.7V
CC
1.225
–0.3
2.55
2.80
Min
–25
2.5
2.4
CC
M41ST87Y, M41ST87W
M41ST87W
1.250
2.62
2.88
Typ
500
3.0
2.9
50
20
2
V
0.3V
CC
1.275
Max
0.75
0.50
2.70
3.00
V
700
100
100
3.6
0.4
0.4
±1
25
±1
70
CC
+ 0.3
CC
Unit
mA
mA
mA
mV
nA
nA
µA
nA
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V

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