STMicroelectronics

M48T02-150PC1

M48T02-150PC1 Description

The M48T02-150PC1 from STMicroelectronics is a high-performance Real-Time Clock (RTC) IC designed for precise timekeeping and calendar functions. Housed in a 24-pin DIP package, this parallel-interface RTC operates within a 4.75V to 5.5V supply range, making it suitable for 5V systems. It belongs to the Timekeeper® series, renowned for reliability in industrial and embedded applications. With an operating temperature range of 0°C to 70°C, it ensures stable performance in moderate environments. The device includes leap year compensation and a 24-hour time format (HH:MM:SS), ensuring accurate long-term timekeeping without manual adjustments.

M48T02-150PC1 Features

• Parallel Interface: Enables straightforward integration with microcontrollers and legacy systems.
• Low Timekeeping Current: Consumes only 3mA max at 4.7V–5.5V, optimizing power efficiency.
• Leap Year Compensation: Automatically adjusts for leap years, reducing firmware complexity.
• Non-Volatile Operation: Retains clock/calendar data during power loss (battery backup not included).
• Industrial Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.
• Unlimited MSL Rating (MSL 1): Suitable for extended storage and handling without moisture sensitivity concerns.

M48T02-150PC1 Applications

Ideal for systems requiring accurate time-stamping or scheduled operations, the M48T02-150PC1 excels in:

• Industrial Automation: Programmable logic controllers (PLCs) and process timers.
• Embedded Systems: Legacy equipment with parallel bus architectures.
• Data Loggers: Time-sensitive recording in environmental monitoring.
• Point-of-Sale (POS) Terminals: Transaction timekeeping and audit trails.
• Telecom Infrastructure: Network synchronization and event logging.

Conclusion of M48T02-150PC1

The M48T02-150PC1 stands out for its robust parallel interface, low power consumption, and leap year support, making it a dependable choice for 5V systems requiring precise timekeeping. Its DIP package simplifies prototyping and integration, while compliance with ROHS3 and REACH ensures environmental safety. Whether in industrial controls, embedded designs, or legacy upgrades, this RTC delivers long-term accuracy with minimal maintenance. For applications demanding reliability without programmability overhead, the M48T02-150PC1 is a proven solution.