Manufacturer Part Number
M48T86MH1F
Manufacturer
STMicroelectronics
Introduction
The M48T86MH1F is a real-time clock device that combines a clock/calendar, alarm, and NVSRAM along with a square wave output, designed for applications requiring timekeeping and data storage.
Product Features and Performance
Clock/Calendar Function: Tracks time in hours, minutes, and seconds
Alarm Function: Programmable alarm setting
Leap Year Compatibility: Automatically adjusts for leap years
NVSRAM: 114 bytes of non-volatile static RAM
Square Wave Output: Provides periodic square waves for timer or interrupt functions
Time Format: HH:MM:SS with 12/24-hour mode
Date Format: YY-MM-DD-dd
Interface: Parallel connectivity for easy integration
Timekeeping Voltage: Operates on 4.5V to 5.5V
Surface Mount: 28-SOP package for compact mounting
Product Advantages
Integrated Alarm and NVSRAM enhances utility
Leap Year adjustment adds to convenience avoiding manual updates
Broad voltage compatibility simplifies power requirements
Key Technical Parameters
Memory Size: 114B
Voltage Supply: 4.5V ~ 5.5V
Current Timekeeping (Max): 15mA @ 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C
Package / Case: 28-SOP with SNAPHAT Sockets
Quality and Safety Features
Operates within standard industrial temperature ranges ensuring reliability
Designed for surface mount technology for secure mounting
Compatibility
Parallel interface allows easy integration with existing systems
Application Areas
Embedded systems
Industrial timers
Data logging systems
Product Lifecycle
Obsolete
Users should seek available replacements or upgrades
Several Key Reasons to Choose This Product
Offers a reliable real-time tracking with alarm, leap year, and square wave output
Supports both 12 and 24-hour time format
Provides 114 bytes of non-volatile memory for data storage
Suitable for a variety of industrial and embedded applications
Reliable performance within a wide range of operating temperatures and power supply conditions
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