STMicroelectronics M41T81SM6F Real Time Clocks
Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
M41T81SM6F
Detailed Description
IC RTC CLK/CALENDAR I2C 8-SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
M41T81SM6F Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics M41T81SM6F Real Time Clocks technical specifications.
General
Interface
I²C, 2-Wire Serial
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Features
Alarm, Leap Year, Square Wave Output, Watchdog Timer
Type
Clock/Calendar
Time Format
HH:MM:SS:hh (24 hr)
Date Format
YY-MM-DD-dd
Alternate Parts Comparison (M41T81SM6F vs M41T0M6E vs M41T80M6F vs M41T56M6F)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 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 ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 4.5V ~ 5.5V |
| Interface | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial | I²C, 2-Wire Serial |
| Current Timekeeping Max | 100µA @ 2.7V ~ 5.5V | 1.2µA ~ 31µA @ 3V ~ 5.5V | 2.4µA ~ 31µA @ 2V ~ 5.5V | 100µA (Typ) @ 4.5V ~ 5.5V |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Time Format | HH:MM:SS:hh (24 hr) | HH:MM:SS | HH:MM:SS:hh (24 hr) | HH:MM:SS (24 hr) |
| Type | Clock/Calendar | Clock/Calendar | Clock/Calendar | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, Watchdog Timer | -- | Alarm, Leap Year, Square Wave | Leap Year, NVSRAM |
| Action |
More Parts in Real Time Clocks
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
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