Manufacturer Part Number
M41T66Q6F
Manufacturer
STMicroelectronics
Introduction
The M41T66Q6F is a Real Time Clock (RTC) integrated circuit (IC) from STMicroelectronics, designed for use in various electronic devices that require accurate timekeeping.
Product Features and Performance
Highly accurate clock/calendar function with leap year, alarm, and square wave output
Watchdog timer for improved system reliability
Wide operating voltage range from 1.5V to 4.4V
Low power consumption with typical timekeeping current of 0.9μA to 1.1μA
24-hour time format with year, month, date, day, hour, minute, and second
Product Advantages
RoHS3 compliant for environmental friendliness
Compact 16-QFN (3x3) package for space-efficient design
Surface mount design for automated assembly
Wide operating temperature range of -40°C to 85°C
Key Technical Parameters
Clock/Calendar: Year-Month-Day-Day of week, Hour-Minute-Second
Timekeeping Current: 0.9μA to 1.1μA @ 1.5V to 4.4V
Operating Voltage: 1.5V to 4.4V
Operating Temperature: -40°C to 85°C
Quality and Safety Features
RoHS3 compliant for environmental responsibility
Reliable operation within the specified temperature range
Compatibility
The M41T66Q6F is compatible with a wide range of electronic devices that require an accurate real-time clock, such as:
Portable electronics
Industrial control systems
Medical equipment
Home appliances
Application Areas
Timekeeping and calendar functions in various electronic devices
Backup clock for systems with primary clock sources
Time-stamping and logging applications
Product Lifecycle
The M41T66Q6F is an active product and is currently available for purchase. There are no known plans for discontinuation, and replacement or upgraded products may be available in the future.
Key Reasons to Choose This Product
Highly accurate and reliable real-time clock functionality
Wide operating voltage and temperature range for versatile applications
Low power consumption for extended battery life in portable devices
Compact package and surface mount design for efficient board layout
RoHS3 compliance for environmental considerations
Watchdog timer for improved system reliability
Broad compatibility with a variety of electronic devices and applications
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