The M48T58Y-70MH1F from STMicroelectronics is a 64 Kbit 8Kb x8 TIMEKEEPER® SRAM which integrates a binary time counter, a programmable alarm, a 100-year calendar, and additional memory functions on a single chip. It is specifically designed to provide a reliable non-volatile memory with a built-in timekeeping function, making it ideal for a wide range of applications where tracking the date and time is crucial.

Key Features

• Integrated Power-Sense Circuit: Ensures automatic switching to the battery supply during power failures, providing continuous timekeeping and memory operation.
• Self-Contained Battery and Crystal: The device comes in a 28-pin, 600 mil DIP package and includes an embedded crystal and battery, allowing for easy integration into system designs without the need for additional components.
• Programmable Alarm: A programmable interrupt/alarm function is included, which can be set to a specific time and date, offering versatility for event management within a system.
• 100-Year Calendar: The device features a century byte that provides a full calendar from the year 2000 to the year 2099, with automatic leap year compensation.

Technical Specifications

• Memory Size: 64 Kbit (8Kb x 8)
• Access Time: 70ns
• Operating Temperature: -40°C to +85°C
• Package/Case: 28-Pin, 600 mil DIP
• Supply Voltage: 4.5 V to 5.5 V

Applications

The M48T58Y-70MH1F is suitable for a variety of applications requiring reliable, long-term data storage and timekeeping. These include industrial controllers, utility meters, POS terminals, and medical devices. Its robust design ensures data and time retention across a wide range of environmental conditions, making it a trusted choice for critical applications.

With its combination of non-volatile memory and integrated timekeeping capabilities, the M48T58Y-70MH1F from STMicroelectronics represents a comprehensive solution for systems that must maintain accurate time and data even in the event of a power loss.