M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 23

• 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 17. Tamper current options
Figure 18. Tamper output timing (with CLR1
1. If connected to a negative charge pump device, this pin must be isolated from the charge pump by using both n-channel
2. If the device is in battery back-up; NOT on V
3. If TIE
4. If ABE = '1.'
V
V
and p-channel MOSFETs as illustrated in
page
CC
CC
(V
(V
OUT
OUT
X
21).
IRQ/OUT
= '1.'
)
)
NORMALLY CLOSED
NORMALLY CLOSED
NORMALLY OPEN
NORMALLY OPEN
V OUT
TP CLR
E CON
TAMPER LO,
TAMPER LO,
TAMPER HI,
TAMPER HI,
RST
(1)
(3)
(TB Bit set)
TCHI/TCLO = 1
TCHI/TCLO = 1
Tamper
Event
1M
1M
tCLRD
V
Figure 19 on page
CC
CC
High-Z
High-Z
(V
tCLR
(see
OUT
(2)
TCHI/TCLO = 0
TCHI/TCLO = 0
10M
)
10M
Section 2.6.9: RAM clear external (CLR1
EXT
24.
or CLR2
EXT
trec
CONTINUOUS
CONTINUOUS
CONTINUOUS
CONTINUOUS
MONITORING
MONITORING
MONITORING
MONITORING
MONITORING
MONITORING
User Configuration
User Configuration
SAMPLED
SAMPLED
= '1')
TDS
TDS
TDS
TDS
(4)
X
X
X
X
EXT
= 0
= 1
= 0
= 1
and CLR2
Configuration
Operating modes
User
TCM
EXT
AI07820
X
TP
AI07083
, TPM
) on
X
(TP1, TP2)
X
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