Product Overview: M48T59-70PC1

The M48T59-70PC1 is a TIMEKEEPER® RAM integrated circuit from STMicroelectronics, which combines a high-performance 64 Kbit (8K x 8) CMOS SRAM with a real-time clock (RTC), a crystal, a power-fail control circuit, and a battery. This unique combination offers a complete, integrated battery-backed memory and timekeeping solution that is ideal for a wide range of applications in computing, industrial, telecommunications, and consumer electronics where reliable timekeeping and data retention are essential.

Key Features

• Integrated Power-Supply: It includes an embedded lithium battery, ensuring data and clock functionality retention without an external power supply for over 10 years.
• Real-Time Clock: The RTC keeps track of seconds, minutes, hours, days, date, month, and year with leap-year compensation valid up to the year 2100.
• Programmable Alarm: An alarm function allows the user to set an interrupt signal for a specific time.
• Watchdog Timer: A programmable watchdog timer is included to reset the system in case of a software failure.
• 64 Kbit CMOS SRAM: The device features a 64 Kbit static RAM for storage, providing fast access times and unlimited read/write endurance.

Technical Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature: 0°C to +70°C
• Package: 28-pin, 600 mil DIP
• Access Time: 70ns

Applications

The M48T59-70PC1 is designed for applications that require reliable non-volatile memory storage with an integrated timekeeping capability. It is commonly used in:

• Embedded systems
• Industrial controllers
• Point-of-sale terminals
• Network servers
• Telecommunication devices
• Other electronic systems requiring a battery-backed SRAM and RTC

Reliability and Quality

STMicroelectronics is renowned for its commitment to quality and reliability, and the M48T59-70PC1 is no exception. This product is manufactured to the highest standards, ensuring consistent performance and durability for critical applications where data integrity is paramount.