M41ST87WMX6TR STMicroelectronics, M41ST87WMX6TR Datasheet - Page 33

• 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 23. Alarm interrupt reset waveform
Table 8.
Figure 24. Backup mode alarm waveform
RPT5
1
1
1
1
1
0
ACTIVE FLAG
IRQ/OUT
V CC
V PFD
V SO
ABE, AFE Bits in Interrupt Register
AF bit in Flags Register
IRQ/OUT
Alarm repeat modes
RPT4
0Eh
1
1
1
1
0
0
HIGH-Z
RPT3
1
1
1
0
0
0
0Fh
RPT2
1
1
0
0
0
0
RPT1
1
0
0
0
0
0
HIGH-Z
10h
trec
HIGH-Z
Once per second
Once per minute
Once per month
Once per hour
Alarm setting
Once per year
Once per day
Clock operation
AI07086
AI07087
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