Manufacturer Part Number
M48T201Y-70MH1F
Manufacturer
STMicroelectronics
Introduction
High-performance integrated real-time clock with embedded crystal and SRAM
Product Features and Performance
Integrated ultra-low power SRAM
Real-time clock with calendar
Programmable alarm function
Square wave output for periodic interrupts
Supervisor functions include power-fail reset, watchdog feature, and battery-low detection
Automatic leap year correction
Y2K compliance
5V to 5.5V operating voltage range
Additional battery-backed supply voltage of 3V
Product Advantages
High integration reduces system component count
Self-contained timekeeping minimizes software overhead
Battery backup ensures timekeeping during power loss
Multiple functions aid system management and recovery
Reliable operation across wide temperature range
Key Technical Parameters
Memory size: N/A
Time format: HH:MM:SS (24-hr)
Date format: YY-MM-DD-dd
Parallel interface for communication
Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
High-quality construction with stable oscillator design
Embedded crystal improves accuracy and reliability
Compatibility
Easy integration into various electronic systems with parallel interface
Surface Mount; requires SNAPHAT mounting design for battery
Application Areas
Embedded systems
Industrial control
Consumer electronics
Data loggers
Communication infrastructure
Product Lifecycle
Currently active and widely available
Long-term availability with manufacturer support
Several Key Reasons to Choose This Product
Robust timekeeping including leap years and daylight saving adjustments
Integrated battery and crystal reduce system complexity
Large operating temperature range suited for various environments
Ensures data retention with low power consumption during power failures
STMicroelectronics is known for reliability and support
M48T18YSTMicroelectronics