M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 42

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

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

DC and AC parameters
Table 17.
1. Valid for ambient operating temperature: T
2. Measured with V
3. RSTIN1 and RSTIN2 internally pulled-up to V
42/48
I
V
OUT1
V
I
I
V
V
I
V
Sym
BAT
V
OHB
R
I
I
I
LO
OUT2
V
V
OH
V
CC1
CC2
LI
V
PFD
PFI1
PFI2
100 K
BAT
SO
SW
OL
IH
(3)
IL
(4)
(2)
(7)
(8)
(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
PFI input
threshold
PFI hysteresis
Battery backup
switchover
Switch
resistance on
tamper pin
resistor.
OUT
OUT
OH
Parameter
DC characteristics
(battery
current
current
OUT
(10)
and E
CON
SCL, SDA = V
V
T
V
IRQ/OUT, RST, F
A
OUT2
I
Test condition
OUT1
open. Not including tamper detection current (see
OUT2
= 25°C, V
0V
0V
I
V
V
OH
V
V
I
I
f = 400 kHz
OL
THS bit = 0
THS bit = 1
V
OL
CC
CC
CC
CC
PFI rising
PFI rising
BAT
> V
> V
= –1.0 mA
= –1.0 µA
= 3.0 mA
= 10 mA
V
V
= 3 V(W)
= 3 V(W)
= 5 V(Y)
= 5 V(Y)
IN
IN
BAT
= 3 V
CC
A
CC
CC
= –40 to 85°C; V
– 0.3 V
CC
– 0.3 V
V
V
– 0.3 V
= 0 V,
CC
CC
through 100 K
(1)
(9)
32k
0.7V
1.225
1.225
–0.3
4.20
4.50
Min
–25
2.5
2.4
CC
CC
= 4.5 to 5.5 V or 2.7 to 3.6 V (except where noted).
resistor. WDI internally pulled-down to V
M41ST87Y
1.250
1.250
4.35
4.60
Typ
500
3.0
2.9
2.5
50
20
20
2
V
0.3V
CC
1.275
1.275
3.5
Max
4.50
4.75
700
175
100
500
1.4
5.5
0.4
0.4
±1
25
±1
70
70
1
+ 0.3 0.7V
(6)
Table 4 on page
CC
1.225
1.225
–0.3
2.55
2.80
Min
–25
2.5
2.4
CC
M41ST87Y, M41ST87W
M41ST87W
22).
1.250
1.250
2.62
2.88
Typ
500
3.0
2.9
2.5
50
20
20
2
SS
V
through
0.3V
CC
1.275
1.275
3.5
0.75
0.50
2.70
3.00
Max
700
100
100
500
3.6
0.4
0.4
±1
±1
25
70
70
+ 0.3
(6)
CC
Unit
mA
mA
mA
mV
mV
nA
nA
µA
nA
µA
µA
W
V
V
V
V
V
V
V
V
V
V
V
V
V