The M48T59Y-70PC1 is a 64 Kbit (8Kb x8) Timekeeper SRAM integrated circuit from the renowned semiconductor manufacturer, STMicroelectronics. This specialized memory chip integrates a battery-backed non-volatile timekeeping RAM that features a built-in quartz crystal and lithium battery. It is designed to maintain full functionality and data retention in the absence of external power, making it an ideal solution for a wide range of applications requiring reliable timekeeping and data storage capabilities.

Key Features

• Integrated Power Supply: The device includes a factory-installed lithium battery that provides a long-term, stable power source for the on-chip real-time clock and SRAM, ensuring data preservation for over 10 years in the absence of an external power supply.
• Real-Time Clock (RTC): The M48T59Y-70PC1 features a built-in RTC that keeps track of seconds, minutes, hours, days, date, months, years, and century with leap-year compensation up to the year 2100.
• Programmable Alarm: A programmable alarm function allows users to set up an alarm that can generate an interrupt request on a periodic or one-time basis, providing versatility in event management.
• Watchdog Timer: An integrated watchdog timer can be programmed to reset the system if software anomalies are detected, enhancing system reliability.
• Byte-wide SRAM Interface: The 8Kb x8 SRAM provides a simple byte-wide interface, facilitating easy integration into a variety of system architectures.
• Low Power Consumption: Designed for energy efficiency, the device operates with low power consumption, making it suitable for battery-powered applications.

Applications

The M48T59Y-70PC1 is versatile and can be used in various applications, including:

• Telecommunication systems
• Embedded processors
• Industrial control systems
• Network servers
• Medical equipment
• POS terminals

Technical Specifications

• Memory Size: 64 Kbit (8Kb x 8)
• Package/Case: 28-pin PC1 (DIP-28)
• Operating Temperature: -40°C to +85°C
• Access Time: 70ns
• Supply Voltage: 4.5V to 5.5V

With its robust feature set and STMicroelectronics' commitment to quality, the M48T59Y-70PC1 Timekeeper SRAM is a reliable choice for maintaining accurate time and preserving critical data across a variety of demanding applications.