The MSM514400EP-60TS-K is a 4M x 1-bit Dynamic RAM (DRAM) manufactured by OKI/Metcal (now Rohm). This DRAM chip provides temporary storage for data and instructions actively used by a processor. Its speed and capacity make it suitable for a variety of applications requiring fast memory access.

Applications

• Computer memory: Used as main memory in older computer systems.
• Embedded systems: Implemented in various embedded systems requiring RAM for data storage and processing.
• Graphics cards: Employed as video memory in older graphics cards.
• Printers: Utilized in printers for temporary storage of print data.
• Industrial control systems: Found in industrial control systems for data logging and processing.

Features

• 4M x 1-bit organization: Provides a memory capacity of 4 megabits organized as 4 million words of 1 bit each.
• Fast access time: 60ns access time, allowing for rapid data retrieval and storage.
• Low power consumption: Designed for efficient power usage.
• TTL compatible inputs and outputs: Enables easy interfacing with TTL logic circuits.
• Standard package: Available in a standard package for easy integration into circuit boards.

Benefits

• High-speed data access: Facilitates quick retrieval and storage of data, improving system performance.
• Large memory capacity: Provides ample storage for data and instructions.
• Easy integration: Compatible with standard logic circuits, simplifying system design.
• Reliable performance: Designed for stable and consistent operation.
• Cost-effective solution: Offers a balance between performance and cost.

Additional Details

The MSM514400EP-60TS-K operates on a single 5V power supply. Its refresh cycle is a critical parameter, ensuring that the data stored in the DRAM is retained. The chip is typically available in a TSOP (Thin Small Outline Package) or DIP (Dual In-line Package). For precise electrical characteristics, such as supply current and timing parameters, refer to the manufacturer's datasheet.

While newer DRAM technologies offer higher capacities and speeds, the MSM514400EP-60TS-K remains relevant in legacy systems and certain niche applications.