M48T08-100PC1

The M48T08-100PC1 is an integrated circuit produced by STMicroelectronics, commonly referred to as a Timekeeper RAM. It combines a low-power CMOS static RAM with a real-time clock (RTC) function. The device features a built-in lithium energy source and quartz crystal, eliminating the need for external components to maintain timekeeping. This combination allows it to keep track of time even when the main system power is off.
Key specifications include an 8K x 8 non-volatile static RAM, with data retention and clock function powered by an internal lithium battery. The RTC function includes a century byte, providing a full date and time calendar, and is programmable for leap years. The M48T08-100PC1 operates in a 5V environment and offers a direct parallel interface for data access.
The package is designed to be pin-compatible with standard memory chips, facilitating easy integration into existing systems. Its applications span various fields, including telecommunications, automotive systems, and industrial equipment, where maintaining accurate time and data retention is crucial.

The M48T08-100PC1 is a Timekeeper RAM chip by STMicroelectronics. Equivalent products might include other Timekeeper RAMs with similar specifications such as:
1. M48T08-150PC1 - A variant with slightly different timing characteristics.
2. DS1643 from Maxim Integrated - Similar functionality as a nonvolatile timekeeping RAM.
3. MK48T08 - An earlier version or alternative from STMicroelectronics.
Ensure compatibility in terms of pin configuration, memory size, and timing before substitution.

The M48T08-100PC1 is a Timekeeper RAM, often used in applications requiring a combination of real-time clock functionality and non-volatile memory storage. Key features include:
1. Integrated RTC: It has a built-in real-time clock (RTC) that keeps track of time and date, even when the main system power is off.
2. Non-volatile RAM: The device includes 8K x 8 bits of non-volatile static RAM, which retains data during power loss.
3. Battery Backup: It incorporates a lithium cell battery to maintain the timekeeping and RAM data in the absence of external power.
4. Parallel Interface: The M48T08 communicates through a standard 32-pin parallel interface, making it easy to integrate into various systems.
5. 100 ns Access Time: It offers a fast access time of 100 nanoseconds, ensuring quick data retrieval and storage.
6. Operating Range: It supports a wide operating temperature range, typically from 0°C to 70°C, suitable for various environments.
7. Package Type: The chip is available in a PDIP package, facilitating straightforward installation on printed circuit boards (PCBs).
These features make it ideal for embedded systems that require reliable timekeeping and data retention capabilities.

The M48T08-100PC1 is a Timekeeper SRAM manufactured by STMicroelectronics. It is a non-volatile static RAM with an integrated real-time clock (RTC) function. The device comes in a 28-pin DIP (Dual In-line Package).
Key Functions:
1. Timekeeping: It keeps track of time in seconds, minutes, hours, day, date, month, and year, including leap-year compensation.
2. Non-volatile Memory: The SRAM provides 8 kilobytes of non-volatile storage, ensuring data retention even during power loss.
3. Battery Backup: An embedded lithium energy source ensures the RTC and SRAM continue to function without external power.
4. Address and Data Buses: The device uses separate address (A0-A12) and data (DQ0-DQ7) lines to access the memory, allowing easy integration into microcontroller systems.
5. Control Signals: It uses control pins such as Chip Enable (E), Output Enable (G), Write Enable (W), and a Power-fail Detect pin (PF) for managing read/write operations and ensuring data integrity.
This combination of features makes the M48T08-100PC1 suitable for applications requiring reliable timekeeping and data storage.

The M48T08-100PC1 is manufactured by STMicroelectronics. STMicroelectronics is a leading global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products and solutions. These products serve various applications across different industries, including automotive, industrial, personal electronics, computer peripherals, and telecommunications. The company is known for its diverse portfolio of microcontrollers, power management devices, sensors, and analog products, among others. As a multinational corporation, STMicroelectronics operates worldwide, providing innovative solutions to meet the evolving needs of technology markets.

The M48T08-100PC1 is a Timekeeper SRAM, primarily used in applications requiring non-volatile memory to retain data when power is lost. Key application areas include:
1. Real-Time Systems: Storing date and time information for embedded systems that require a reliable clock.
2. Industrial Automation: Maintaining logs and settings in PLCs and other control hardware.
3. Telecommunications: Preserving configuration data and timestamping events in network equipment.
4. Computing: Used in servers and workstations to keep BIOS settings and system configurations.
5. Consumer Electronics: Supporting data retention in devices like set-top boxes and consoles.
These applications benefit from the device's integrated battery and non-volatile features.

The M48T08-100PC1 is a Timekeeper SRAM integrated circuit from STMicroelectronics, housed in a 28-pin Plastic Dual In-line Package (PDIP). It combines a low-power SRAM with a real-time clock (RTC) and a lithium energy source.