STMicroelectronics M41ST87WMX6 Real Time Clocks
Real Time Clock (RTC) IC Clock/Calendar 128B I2C, 2-Wire Serial 28-SOIC (0.295", 7.50mm Width)

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
M41ST87WMX6
Detailed Description
IC RTC CLK/CALENDAR I2C 28-SOIC
Package
28-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 28-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
M41ST87WMX6 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics M41ST87WMX6 Real Time Clocks technical specifications.
General
Interface
I²C, 2-Wire Serial
Memory Size
128B
Package / Case
28-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.7V ~ 3.6V
Lifecycle Status
Obsolete
Features
Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer
Type
Clock/Calendar
Time Format
HH:MM:SS:hh (24 hr)
Alternate Parts Comparison (M41ST87WMX6 vs M41T62LC6F vs M41T81SM6F vs M41T00SM6F)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-SOIC | 8-LCC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 2.7V ~ 3.6V | 1.3V ~ 4.4V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Current Timekeeping Max | 0.5mA @ 2.7V ~ 3.6V | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | 100µA @ 2.7V ~ 5.5V | 70µA @ 2.7V ~ 5.5V |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Features | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | Alarm, Leap Year, Square Wave Output, Watchdog Timer | Alarm, Leap Year, Square Wave Output, Watchdog Timer | Leap Year |
| Time Format | HH:MM:SS:hh (24 hr) | HH:MM:SS:hh (24 hr) | HH:MM:SS:hh (24 hr) | HH:MM:SS (24 hr) |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Voltage Supply Battery | 2.5V ~ 3.6V | -- | 2V ~ 3.5V | 2V ~ 3.5V |
| Action |
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