M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 21

• 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

M41ST87Y, M41ST87W
Figure 15. Basic tamper detect options
1. Available in SOX28 (MX) package only.
Figure 16. Tamper detect output options
1. Available in SOX28 (MX) package only.
TCM
TCM
TCM
TCM
X
X
X
X
, TPM
, TPM
, TPM
, TPM
X
X
X
X
= 1,1
= 0,0
= 1,0
= 0,1
TP1
TP2
Configuration
V
V
TEB1
TEB2
CC
CC
User
(V
(V
OUT
OUT
)
)
NORMALLY CLOSED
NORMALLY CLOSED
CLR1
CLR2
NORMALLY OPEN
NORMALLY OPEN
CLR2
CLR1
TIE
TIE
TAMPER LO,
TAMPER LO,
TAMPER HI,
TAMPER HI,
EXT
EXT
1
2
Triggering Event
Doc ID 9497 Rev 9
(other reset sources)
V
CC
(V
OUT
)
Configuration
TCM
CLR - Clear 128 bytes
internal RAM on tamper
Time stamp tamper
event (to RTC)
User
X
, TPM
X
IRQ - Interrupt the
processor on tamper
TP
RAM on tamper
RESET OUT
CLR
Tamper Event Output
CLRX
CLRX
TIE
- Clear external
X
EXT
AI07821
IRQ - Interrupt the
processor on tamper
TP
RAM on tamper
CLR - Clear internal
RAM on tamper
Time stamp tamper
event
(1)
CLR
Operating modes
- Clear external
AI07818
(1)
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