M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 22
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M41ST87WMX6TR
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
M41ST87WMX6TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M41ST87WMX6TR
Manufacturer:
MBI
Quantity:
12 000
Operating modes
Table 4.
1. When calculating battery lifetime, this current should be added to I
2. Per tamper detect input
Figure 16. Tamper detect sampling options
22/48
TDS
0
0
1
1
X
TCHI/TCLO
the output of the inverting charge pump and the V
should be an enhancement mode p-channel, and placed between V
and V
n-channel MOSFET will turn on and the p-channel will turn off. During normal operating
conditions, TP
Tamper detection current (normally closed - TCM
V
V
CC
CC
0
1
0
1
CC
(V
(V
OUT
OUT
of the external SRAM. When TP
X
)
)
NORMALLY CLOSED
NORMALLY CLOSED
NORMALLY OPEN
NORMALLY OPEN
Continuous monitoring / 10 M pull-up/-down
Continuous monitoring / 1 M pull-up/-down
Sampling (1Hz) / 10 M pull-up/-down
Sampling (1Hz) / 1 M pull-up/-down
TAMPER LO,
TAMPER LO,
CLR
TAMPER HI,
TAMPER HI,
will be low and the p-channel will be on, while the n-channel will be off.
Tamper circuit mode
V
CC
(V
OUT
)
CLR
CONTINUOUS
CONTINUOUS
CONTINUOUS
CONTINUOUS
MONITORING
MONITORING
MONITORING
MONITORING
MONITORING
MONITORING
BAT
SAMPLED
SAMPLED
goes high after a tamper condition occurs, the
current listed in
OUT
X
TDS
TDS
TDS
TDS
of the M41ST87. The other MOSFET
= '0')
X
X
X
X
= 0
= 1
= 0
= 1
Current at 3.0 V (typ)
Table 17 on page
Configuration
User
TCM
M41ST87Y, M41ST87W
OUT
0.3
3.0
0.3
3.0
AI07819
X
, TPM
of the M41ST87
X
42.
(1)(2)
Unit
µA
µA
nA
nA