Overview
The M48T128Y-70PM1 is a TIMEKEEPER RAM device manufactured by STMicroelectronics. This component combines a 128Kb x 8 non-volatile static RAM with a real-time clock. It is designed to provide reliable timekeeping and data storage, even in the absence of main power, thanks to its integrated battery back-up system. Although the M48T128Y-70PM1 is currently obsolete and no longer manufactured, it remains an important component in legacy systems and applications where its unique features are still valued.
Key Specifications
| Specification | Value |
|---|---|
| Memory Size | 1 Mbit (128K x 8 bits) |
| Access Time | 70 ns |
| Package Type | DIP (Dual In-Line Package) |
| Operating Temperature | -40°C to 85°C |
| Battery Life | Up to 10 years |
Key Features
- Non-volatile static RAM ensuring data retention during power loss
- Integrated real-time clock with battery back-up for continuous timekeeping
- 128Kb x 8 bits of memory
- Fast access time of 70 ns
- Dual In-Line Package (DIP) for easy integration into various systems
- Operating temperature range from -40°C to 85°C
Applications
The M48T128Y-70PM1 is suitable for a variety of applications where reliable timekeeping and non-volatile data storage are critical. These include industrial control systems, medical devices, automotive systems, and any other equipment that requires precise timekeeping and data retention over extended periods. Its use is particularly beneficial in legacy systems where compatibility with existing hardware is necessary.
Q & A
- What is the memory size of the M48T128Y-70PM1?
The memory size is 1 Mbit (128K x 8 bits). - What is the access time of the M48T128Y-70PM1?
The access time is 70 ns. - What type of package does the M48T128Y-70PM1 come in?
The package type is DIP (Dual In-Line Package). - Does the M48T128Y-70PM1 have a battery back-up?
Yes, it has an integrated battery back-up for up to 10 years. - What is the operating temperature range of the M48T128Y-70PM1?
The operating temperature range is from -40°C to 85°C. - Is the M48T128Y-70PM1 still in production?
No, the M48T128Y-70PM1 is obsolete and no longer manufactured. - What are some common applications for the M48T128Y-70PM1?
Common applications include industrial control systems, medical devices, and automotive systems. - How does the M48T128Y-70PM1 ensure data retention during power loss?
It ensures data retention through its non-volatile static RAM and integrated battery back-up. - What is the significance of the real-time clock in the M48T128Y-70PM1?
The real-time clock provides continuous timekeeping even when the main power is off, thanks to the battery back-up. - Can the M48T128Y-70PM1 be used in new designs?
While it can be used in legacy systems, it is not recommended for new designs due to its obsolete status. Instead, consider using available substitutes.
