M41T81SMY6E
STMicroelectronics
STMicroelectronics
IC RTC CLK/CALENDAR I2C 18-SOIC
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The M41T81SMY6E Real Time Clock IC by STMicroelectronics sets new standards in the Clock/Timing - Real Time Clocks category. Designed for space-constrained applications, this compact IC offers full calendar functionality with century detection, making it future-proof for long-term deployments. Its low current consumption (typically 400nA) makes it particularly valuable for portable medical devices and environmental monitoring equipment. The Integrated Circuits (ICs) in this series feature automatic leap year correction and are resistant to voltage fluctuations, ensuring reliable performance in industrial control systems and automotive infotainment units where precise timing is essential.
Specifications
- Product Status: Obsolete
- Type: Clock/Calendar
- Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer
- Memory Size: -
- Time Format: HH:MM:SS:hh (24 hr)
- Date Format: YY-MM-DD-dd
- Interface: I²C, 2-Wire Serial
- Voltage - Supply: 2.7V ~ 5.5V
- Voltage - Supply, Battery: 2V ~ 3.5V
- Current - Timekeeping (Max): 100µA @ 2.7V ~ 5.5V
- Operating Temperature: -40°C ~ 85°C
- Mounting Type: Surface Mount
- Package / Case: 18-SOX, 18-SOIC with Crystal (7.5mm Width)
- Supplier Device Package: 18-SOX
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